DELTA MEMBRANE SYSTEMS LTD

DELTA HOUSE
MERLIN WAY
NORTH WEALD
EPPING
ESSEX CM16 6HR

Tel: 01992 523523
Fax: 01992 523250

Company Logo

Suppliers of: Basement tanking membranes, waterproofing membranes, structural waterproofing, cavity wall DPC, cellar waterproofing, cavity drainage membranes, waterproofing systems

Delta Systems provide the world’s foremost range of products for basement drainage, structural waterproofing and underground wall and floor protection.

Cost effective, simple to install, DELTA® membranes keep hydrostatic pressure away from walls, ceilings and floors keeping living spaces dry and insulated.

Our systems can be used on domestic and/or commercial properties from small scale basement conversions to major public works, such as the London Underground. The channel tunnel for example claims over 70,000m² of DELTA®-MS.

DELTA Systems can easily deal with aggressive ground water conditions, where basements are liable to flooding, or indeed where simple dampness, contamination or salting problems are prevalent.

Useful Resources:

Main Products & Applications:

DELTA® Cavity Drain Membranes

We have a extensive range of internal and external cavity drain membranes to protect your property against the damage of water ingress caused by hydrostatic pressure (groundwater pressure). Our membranes can also be used as protection against rising damp as well as being gas proof.

Waterproofing Buried roofs/Podium Decks/Balconies & Terraces

In various formats podium decks have been around for many years, however they are becoming more widely used on top of basement constructions as either paved areas, gardens or terraces. A podium deck is a structural element which is essentially an elevated platform which allows for usage both above and below, these may be terraces over underground car parks, gardens over basements, balconies over terraces and patios.

Ground Gas Protection Systems

Delta Membrane Systems Limited offer a comprehensive range of ground gas protection solutions along with its structural waterproofing solutions. From our Memtech ground gas membranes to waterproofing systems, our product range is designed to deal with all ground gas, contaminants and waterproofing related problems.

KÖSTER Tanking Products

KÖSTER have specialised in waterproofing / tanking products and systems for decades. These systems protect and preserve buildings and structures World Wide. Whether the subject is restoration of a heritage building, waterproofing of a new building, reinstalling failed horizontal barriers in masonry, restoration of wet basements, or waterproofing of roofs and facades, rest assured; with our comprehensive and deep product program KÖSTER have the optimum solution.

Specialist Basement Drainage – Pumps and Flood Protection

We have a team of application engineers who can assist with selection of ground, surface & foul water pump stations. This can be carried out against drawings, meetings on site & your offices or ‘via net’ viewer sessions.

We can also provide solutions for Flood prevention for both renovation and new build projects.

Damp Proofing – Above ground

Damp Proofing is the process in which methods are used to prevent water/water vapour from travelling through walls and floors from ground level up (rising damp). There are other ways damp can enter walls but this is the most common.

Delta offer a range of physical and chemical DPC’s that can treat all types of Damp.

Structural Waterproofing – Pre-formed, Liquid Applied & Injection

Delta offer a wide range of waterproofing solutions for all types of applications. Products include pre-formed membranes & ancillaries, liquid applied systems and injection systems. Please contact our technical team for support in selecting the right system for your project.

Wet rooms and Shower Waterproofing

Delta supply a range of waterproofing solutions including shower tray formers, membranes and specialist plasters for wet rooms and shower construction. Please contact us for further information. 

Further technical information and guidance is available on the Delta Membrane Systems website or via the BPi download Library

These files are provided by the manufacturer. While Building Products Index takes every care to ensure the information is correct and up to date, we cannot be held liable for any out of date or incorrect information in them. Please check with the supplier before specifying or purchasing products.

1. Delta Cavity Drain Brochure AUG 2018
Basement drained cavity systems and cavity drainage

Published [29/03/19]File size [2909 KB]

1. Delta Flood Resilience Brochure
DELTA FLOOD RESILIENCE

Published [29/03/19]File size [1706 KB]

1. DELTA Waterproofing System 500 Brochure
Providing Waterproofing Solutions

Published [06/03/18]File size [3038 KB]

2. Delta Academy - Course Prospectus
WATERPROOFING BELOW GROUND

Published [15/04/19]File size [961 KB]

2. Delta PT Brochure
Delta PT Delta Lath Waterproof Membrane

Published [15/03/18]File size [1236 KB]

3. Delta Basement Pump Drainage Brochure v3 08 2018
Delta Basement Pump Drainage Brochure basement pumps cavity drainage pumps

Published [29/03/19]File size [5544 KB]

4. Delta MS 20 Drainage Systems
High drainage capacity in double-shell structures

Published [06/03/18]File size [1648 KB]

5. Delta FM Membrane

Published [06/03/18]File size [2755 KB]

6. Delta Trela Plus
Trela Plus for metal roofs.Offers perfect protection from corrosion and moisture. Breathable, elastic, and sound-absorbing

Published [06/03/18]File size [7944 KB]

a. Delta TERRAXX Problem Solver
horizontal structural drainage

Published [18/05/17]File size [1141 KB]

AQUAPROOF Wetroom System
Aquaproof wetroom tanking system

Published [03/04/17]File size [845 KB]

b. Delta TERRAXX Technical
protection and drainage system for horizontal application

Published [18/05/17]File size [2647 KB]

c. Delta Green Roof Brochure
Flat Green Roof Systems for Gardens, Terraces, Walkways & Parking

Published [28/03/17]File size [5285 KB]

Case Study Does BIM successfully deliver on waterproofing projects
Does BIM successfully deliver on waterproofing projects

Published [27/04/18]File size [178 KB]

d. Delta Horizontal Surfaces References
Horizontal surface drainage in the field

Published [28/03/17]File size [4775 KB]

Delta - FLORAXX and FLORAXXTOP
Water-retaining drainage sheet with an integrated geotextile for perfect green roofs

Published [15/03/18]File size [1696 KB]

Delta Aquaduct Drainage Pipe
Aquaduct Drainage Pipe

Published [15/03/18]File size [695 KB]

Delta Basement Protection with the Maxx Range
Maximum security for your basement waterproofing pumping system. A battery backup, telemetry alarm system.

Published [03/03/16]File size [1932 KB]

Delta Drain - Cavity drain membranes
We have a extensive range of cavity drain membranes to protect your property against the damage of water ingress caused by hydrostatic pressure (groundwater pressure). Our membranes can also be used as protection against rising damp as well as being gas proof.

Published [10/05/16]File size [537 KB]

Delta Drainage Channel
drainage channels for Basement applications

Published [14/06/18]File size [458 KB]

Delta Dual Proof Leaflet
durable watertight & gas proof solution for below ground structures

Published [24/03/17]File size [1265 KB]

Delta Fassade
Breathable UV-resistant insulation protection sheet.

Published [21/05/19]File size [538 KB]

Delta Gas Barrier System Radonsperre
Radon protection

Published [12/05/16]File size [1863 KB]

Delta Geo Drain Quattro
DELTA GEO-DRAIN Quattro

Published [15/03/18]File size [1078 KB]

Delta Launch new Flood Resilience Brochure

Published [12/09/18]File size [217 KB]

Delta Membrance Alert MAXX2 Flyer v6
Pumping Station WiFi Enabled High Water Level Alarm and Monitoring System

Published [29/03/19]File size [305 KB]

Delta Membrane Cavity Flyer
Structural Waterproofing Solutions and Systems, Resistant and Resilient Flood Solutions, Ground Gas Protection. Type C Gravity Drainage Systems.

Published [21/05/19]File size [539 KB]

Delta Membrane Damp Proofing - Fernroyd Case Study
Flexible Sheet Tanking/Damp Proofing.

Published [09/02/18]File size [262 KB]

DELTA Membrane Plaster Lath
damp proof systems

Published [15/03/18]File size [2252 KB]

Delta Membrane Powermaxx Flyer
Battery backups for pumps providing an uninterruptible power supply and electricity during blackout situations

Published [21/05/19]File size [246 KB]

Delta MemTech - Ground Gas Protection
Type C Cavity Drain Membrane

Published [09/10/18]File size [4190 KB]

Delta MS Drain
Enhanced waterproofing protection. Drainage

Published [06/03/18]File size [1345 KB]

Delta MS Sub Base Protection Main

Published [12/05/16]File size [882 KB]

Delta NP Drain
Compact two-ply composite sheet. High drainage capacity through specially-configured dimples.

Published [15/03/18]File size [595 KB]

Delta Polysil-TG500 Anti Lime
Treatment of new Concrete with Polysil

Published [24/03/17]File size [815 KB]

Delta Technical Drawings Latest News

Published [14/09/17]File size [660 KB]

Delta Technical Planning Protection for Foundation Wall
DELTA® systems for foundation-wall protection, drainage, and waterproofing.

Published [12/05/16]File size [1208 KB]

Delta TERRAXX Vert+Horiz
Protection and drainage systems

Published [18/05/17]File size [2200 KB]

Delta Water Based Epoxy Coating
membrane to prevent rising damp in floors and walls

Published [18/05/17]File size [1060 KB]

e. Delta TERRAXX Installation Instructions
High-performance protection and drainage system for basements and flat roofs

Published [28/03/17]File size [4358 KB]

KÖSTER 21
multiple use crack bridging waterproofing,

Published [29/11/16]File size [506 KB]

Koster Crack Repair and Crack Injection Systems
Crack Repair and Crack Injection Systems

Published [22/11/18]File size [875 KB]

KÖSTER Deuxan 2C
two component, polystyrene-free, fibrated, polymer modified bitumen

Published [29/11/16]File size [242 KB]

Koster External Basement Waterproofing
External Basement Waterproofing

Published [22/11/18]File size [1375 KB]

Koster Green Pages of Construction Chemicals
waterproofing products and systems. Masonry restoration products, waterproofing, tunnel waterproofing, waterproofing of wet basements, roofs or façades.

Published [22/11/18]File size [7092 KB]

Koster Horizontal Barriers against Rising Damp in Masonry
Horizontal Barriers against Rising Damp in Masonry

Published [22/11/18]File size [1115 KB]

Koster KB Flex 200 Flyer
Immediate Waterproofing of Pipe and Cable Penetrations

Published [29/11/16]File size [274 KB]

KÖSTER KSK SY 15
Cold self adhesive bitumen membrane with HDPE top foil

Published [29/11/16]File size [241 KB]

KÖSTER Negative Side Waterproofing Systems for Masonry and Concrete
Waterproofing Systems for Masonry and Concrete

Published [20/12/18]File size [1223 KB]

KÖSTER Repair Mortar Plus
Fast setting, expanding repair mortar

Published [29/11/16]File size [234 KB]

KÖSTER Tanking Products
External tanking products

Published [29/11/16]File size [321 KB]

Koster The Waterproofing Specialists
waterproofing solutions

Published [22/11/18]File size [2008 KB]

KOSTER Waterproofing of Wetrooms
Waterproofing of Wetrooms

Published [29/11/16]File size [753 KB]

These files are provided by the manufacturer. While Building Products Index takes every care to ensure the information is correct and up to date, we cannot be held liable for any out of date or incorrect information in them. Please check with the supplier before specifying or purchasing products.

Delta® Drain - Drainage sheet
Delta®-Drain is a high-density polyethylene (HDPE) double dimpled sheet with integral polypropylene geotextile for the protection of foundation wall waterproofing against mechanical damage, and for reliable drainage of stratified and slope water. Plastics sheets, Plastics sheets

Published [13/12/18]

DELTA® EQ Drain - Protection and drainage system
A geocomposite membrane for use as a compact protection and drainage system for waterproofing in building construction. Delta-EQ-Drain consists of a HDPE core with an integral polypropylene geotextile for added protection against mechanical damage, and for reliable drainage of groundwater. It conforms to DIN 4095 for drainage and DIN 18195 for waterproofing. Rubber studded sheets, Plastics or rubber studded sheets

Published [13/12/18]

DELTA® Floraxx - Inverted roof drainage
Delta®-Floraxx is used on inverted roofs to drain water away from insulation panels under accessible surfaces. Thanks to its breathable perforation and its dimples, water and air may circulate freely on the underside so that no coherent film of water can form on the insulation. It can be used in extensively planted as well as in accessible inverted roofs covered with paving stones or slabs. Rubber studded sheets, High density polyethylene (PE-HD) studded sheets

Published [13/12/18]

DELTA® FLORAXX in drivable inverted roofs
Delta®-Floraxx is used on inverted roofs to drain water away from insulation panels under accessible surfaces. Thanks to its breathable perforation and its dimples, water and air may circulate freely on the underside so that no coherent film of water can form on the insulation. Can be used in extensively planted as well as in accessible inverted roofs covered with paving stones or slabs. Flag and slab bound paving systems, Flag and slab bound paving system

Published [13/12/18]

DELTA® FLORAXX in walkable inverted roofs
Delta®-Floraxx is used on inverted roofs to drain water away from insulation panels under accessible surfaces. Thanks to its breathable perforation and its dimples, water and air may circulate freely on the underside so that no coherent film of water can form on the insulation. Can be used in extensively planted as well as in accessible inverted roofs covered with paving stones or slabs. Flag and slab bound paving systems, Flag and slab bound paving system

Published [13/12/18]

DELTA® FLORAXX Top - Drainage sheet
Water-retaining drainage sheet with an integrated geotextile for perfect green roofs. Rubber studded sheets, High density polyethylene (PE-HD) studded sheets

Published [13/12/18]

DELTA® FLORAXX TOP in inverted roofs with extensive/intensive herbaceous covers
An innovative dimpled sheet which has been developed specifically for green roofs. Due to its unique dimple structure and its innovative material, its functions include; drainage, water storage and an integrated filtration layer on top. Can be easily laid straight from the roll. An optimum solution for flat roofs which are to be extensively planted which requires minimal maintenance. The octagonal dimples additionally reinforced by ribs make the sheet highly compression resistant. Semi-intensive green roof systems, Semi-intensive green roof system

Published [13/12/18]

DELTA® FLORAXX TOP in warm roofs with extensive/intensive herbaceous covers
An innovative dimpled sheet which has been developed specifically for green roofs. Due to its unique dimple structure and its innovative material, its functions include; drainage, water storage and an integrated filtration layer on top. Can be easily laid straight from the roll. An optimum solution for flat roofs which are to be extensively planted which requires minimal maintenance. The octagonal dimples additionally reinforced by ribs make the sheet highly compression resistant. Semi-intensive green roof systems, Semi-intensive green roof system

Published [13/12/18]

DELTA® Gas Barrier System - Gas barrier and damp-proofing
A high performance polymeric Radon, Methane, CO2 gas barrier and damp proof membrane. Plastics sheets, Plastics sheets

Published [13/12/18]

DELTA® GEO-DRAIN Quattro - Waterproofing and drainage system
A four-ply material for use as a compact protection and drainage system for waterproofing in building construction. Delta-Geo-Drain Quattro consists of a double slip layer, a HDPE core with an integral polypropylene geotextile for added protection against mechanical damage, and for reliable drainage of groundwater. Delta-Geo-Drain Quattro has a high compression strength, and can be used up to depths of 10 metres. Plastics sheets, Plastics sheets

Published [13/12/18]

DELTA® MS 500 - Waterproofing membrane
Delta®-MS500 is a high density polyethylene (HDPE) studded membrane for use on walls, floors, vaults and tunnels as a waterproof system. It can also be used externally for waterproof protection of sub-ground structures. It provides excellent chemical resistance, is completely rot proof and prevents root penetration. The system holds BBA certification 00/3742. Pr_25_57_51_74, High density polyethylene (PE-HD) studded sheets

Published [13/12/18]

DELTA® MS Drain - Waterproof protection layer for basements
High density polyethylene protection layer for basement waterproofing. Dimpled sheet with an integrated drainage layer. Simple and cost-efficient foundation for dry cellar walls. Improved performance, improved protection. Developed from the proven DELTA®-MS sheet, this product further enhances waterproofing protection because its contact area is four times larger than that of a normal dimpled sheet, which improves the distribution of pressure on the waterproofing bitumen coating/sheet by the same factor. An integrated layer of hydrophilic geotextile ensures that intruding water is drained away swiftly and permanently. Attractively priced, DELTA®-MS DRAIN is easy to put up and very easy to handle – the ideal protection for vertical cellar walls. Rubber studded sheets, Plastics or rubber studded sheets

Published [13/12/18]

DELTA® MS Sub-Base Course Protection System
A high density, polyethylene dimpled sheet designed as an alternative to traditional lean-concrete sub-base course. Rubber studded sheets, High density polyethylene (PE-HD) studded sheets

Published [13/12/18]

DELTA® MS20 - Damp-proofing
Delta®-MS20 is a high-density polyethylene (HDPE) dimpled sheeting with a high drainage capacity and compressive strength, suitable for high performance seepage layers in building and civil engineering construction. Also used on basement floors as part of the Delta system, to maximise drainage capacity. Delta®-MS20 holds BBA certification 00/3742. Rubber studded sheets, High density polyethylene (PE-HD) studded sheets

Published [13/12/18]

DELTA® NP Drain - Drainage sheet
A high density polyethylene drainage sheet designed for use in underground structures including retaining walls, cut and cover tunnels, underground car parks etc. Its high compression strength allows installation depths up to 5 metres. Plastics sheets, Plastics sheets

Published [13/12/18]

DELTA® Plaster Lath - Damp proof lathing
A damp proof system for walls, consisting of a dimpled membrane with a mesh face, providing a key for plaster, render or dab fixed plasterboard. Delta-Plaster Lath holds BBA certification 00/3742. Damp-proof lathings, Damp-proof lathing

Published [13/12/18]

DELTA® PT - Original Waterproof Membrane System
A dimpled waterproof membrane with a mesh face, providing a key for plaster, render or dab fixed board finish. The Delta-PT membrane is used for waterproofing or damp-proofing, and is complimented with proprietary sealing tapes and self sealing fixings. The system is BBA approved. Damp-proof lathings, Damp-proof lathing

Published [13/12/18]

DELTA® TERRAXX in drivable roof decks
DELTA® Terraxx is a high-density polyethylene dimpled sheet which acts as a surface drainage layer. Laminated on to the dimpled sheet, a layer of compression-resistant permanent filtration geotextile prevents the dimple structure from being clogged up by sludge, thus guaranteeing optimum drainage in the long run. Terraxx is an external membrane that can be used vertically and horizontally. Flag and slab bound paving systems, Flag and slab bound paving system

Published [13/12/18]

DELTA® TERRAXX in extensive green roofs
A high-density polyethylene dimpled sheet which acts as a surface drainage layer in vertical and horizontal applications. Extensive green roof systems, Extensive green roof system

Published [13/12/18]

DELTA® TERRAXX in intensive green roofs
A high-density polyethylene dimpled sheet which acts as a surface drainage layer in vertical and horizontal applications. Intensive green roof systems, Intensive green roof system

Published [13/12/18]

DELTA® TERRAXX in walkable roof decks
A high-density polyethylene dimpled sheet which acts as a surface drainage layer in vertical and horizontal applications. Flag and slab bound paving systems, Flag and slab bound paving system

Published [13/12/18]

DELTA® Thene - Self-adhesive waterproofing sheet
A cold-setting, self-adhesive waterproofing sheet, designed for vertical and horizontal exterior and interior surfaces. Bitumen sheets, Bitumen sheets

Published [13/12/18]

DELTA® Trela Plus - Damp-proofing
Delta®-Trela and Trela Plus consist of a 3-ply spun-bonded polypropylene breather underlay base sheet laminated to a dimple-textured random-fibre spacer mat to provide a permanent air gap under the cladding, preventing moisture accumulation. Delta®-Trela Plus includes an integrated self-adhesive edge. Vapour permeable sheets, Vapour permeable sheets

Published [13/12/18]

Dual V3 Sump - Pump station
A packaged pump station designed to collect groundwater through the clear opening in the top of the chamber and/ or via a Delta perimeter channel system or via a series of drainage pipes through the side inlets of the sump, (Ref: Delta detail 129). Private packaged pumping stations, Private packaged pumping stations

Published [13/12/18]

Foul V3 - Pump Station
A packaged pump station designed to collect foul water in a basement application where there are other facilities in the property on gravity drainage. Private packaged pumping stations, Private packaged pumping stations

Published [13/12/18]

Koster Deuxan 2C - Cold applied polymer modified bitumen waterproof coating
Features: Usage: Primer: Reinforcement: Embed Köster Glass Fibre Mesh at corners, fillets and areas strongly in danger of cracking. Expansion joints: Seal expansion joints by applying Köster Special Joint Tape in the joint areas of the thick film sealant. Protection: Liquid applied waterproofing, Cold applied polymer modified bitumen waterproof c

Published [13/12/18]

Koster NB1 - Crystallization active slurry mortar
Features: Usage: Primer:- Köster Polysil® TG 500:Recommended for use on highly and normally absorbent and dusty or salt-damaged substrates. Mixing: Mortars and grouts, Mineral coating containing crystallizing and capil

Published [13/12/18]

Memtech LGB - Cold applied bitumen solutions
A ready-to-use, styrene butadiene latex-based, liquid-applied gas membrane. It offers continuous protection against the ingress of radon, methane, carbon dioxide, ground gas, volatile organic compounds (VOCs), air and moisture into buildings. As the product is a barrier to moisture, it can also be used as a damp-proof membrane (DPM) on walls and floors. The membrane can be applied by brush, roller or airless spray. A minimum dry-coated thickness of 1.0 mm is needed to provide a gas barrier. To achieve this, a total of 2 kg/m² is required. It should not be applied in wet conditions or in temperatures below 7°C. Delta Memtech LGB is compatible with loose laid membranes supplied by Delta Membrane Systems Ltd, such as Delta Memtech M1, Delta Memtech R1,Delta MS Membranes and Delta Memtech-TITAN. Advantages: Bitumens, binders and bonding compounds, A ready-to-use, styrene butadiene latex-based, liq

Published [13/12/18]

Memtech M1 - Plastics sheets
A flexible, loose-laid gas barrier for use on sites with radon, carbon dioxide and methane ground gas. Protects against the ingress of hydrocarbon vapours where it is separated from the ground, e.g. above a block and beam floor. The barrier incorporates a two-layer low density polyethylene membrane with a polypropylene reinforcement grid and an aluminium foil core. Extremely flexible for ease of installation and robust to cope with site conditions. Advantages: Membranes, A flexible, loose-laid gas barrier for use on site

Published [13/12/18]

Memtech Titan - Plastics sheets
Safe solution for the protection of buildings and occupiers against all levels of hydrocarbon, methane, CO2 and Radon gas ingress. Conforms to BS 8485:2015 and requirements of CIRIA 748 VOC membranes. Resistant to range of aggressive hydrocarbons, durability and chemical resistance tested in accordance with EN 14414-A. Membranes, Multi layer polyethylene membrane specifically des

Published [13/12/18]

Memtech Titan Bond - Plastics sheets
Pre-applied waterproofing membrane and VOC gas barrier conforming to the requirements of BS 8102 (2009) Type A barrier Protection and BS 8485:2015 and CIRIA 748. Provides a safe solution for below ground structures against hydrocarbons, VOCS and ground gases as well as a fully compliant pre-applied waterproofing membrane. Suitable for basements, retaining walls, tunnels and foundations. Membranes, Multi layer polyethylene membrane with a bonded te

Published [13/12/18]

Single V3 - Pump Station
A packaged pump station designed to collect groundwater through the clear opening in the top of the chamber via a Delta cavity membrane system. Private packaged pumping stations, Private packaged pumping stations

Published [13/12/18]

ALARMS Pump Water Level .
ALARMS Pumping Station .
ANTI-FLOOD VALVES BS EN 13564 .
ANTI-FLOOD VALVES BS EN 13564 Types 0-5 .
ANTI-FLOOD VALVES Rodent Protection .
BALCONY Waterproofing .
BASEMENT DRAINAGE SHEETS DIN 4095 .
BASEMENT DRAINAGE SHEETS EN 13252 .
BASEMENT DRAINAGE SHEETS Filtration Combined .
BASEMENT DRAINAGE SHEETS Geotextile Combined .
BASEMENT DRAINAGE SHEETS Protection Combined .
BASEMENT DRAINAGE SHEETS Seepage Layer .
BASEMENT TANKING DRAINAGE Channels .
BASEMENT TANKING DRAINAGE Pumped .
BASEMENT WATERPROOFING BS 8102:2009 .
BASEMENT WATERPROOFING Cavity Drainage Systems Drained Cavity Systems
BASEMENT WATERPROOFING Membranes .
BASEMENT WATERPROOFING Membranes HDPE .
BASEMENT WATERPROOFING Membranes HDPP .
BASEMENT WATERPROOFING Positive Side External .
BASEMENT WATERPROOFING Tanking Membranes .
BASEMENT WATERPROOFING Tanking Membranes HDPE .
BASEMENT WATERPROOFING Tanking Membranes HDPP .
BEDDING COMPOUNDS For Concrete .
BITUMEN Coatings .
BITUMEN Membranes Liquid
BONDING AGENTS .For Uneven Surfaces .
BUILDING REMEDIAL TREATMENTS .
CAR PARK Roof Waterproofing
CAR PARKING DECKS Waterproof Coatings .
CAULKING COMPOUNDS Polymer Based Non-Hardening
CAVITY BARRIERS Methane Gas Resistant .
CAVITY BARRIERS Radon Gas Barriers .
CAVITY DRAINAGE Boards .
CAVITY DRAINAGE BS 8102:2009 .
CAVITY DRAINAGE Civil Engineering Applications .
CAVITY DRAINAGE DIN 4095 .
CAVITY DRAINAGE Membranes .
CAVITY DRAINAGE Membranes AGREMENT CERTIFICATE HOLDERS
CAVITY DRAINAGE Membranes DIN 4095
CAVITY DRAINAGE Membranes EN 13252 CE Mark
CAVITY DRAINAGE Membranes External Systems
CAVITY DRAINAGE Systems .
CAVITY DRAINAGE Tanking Membranes .
CAVITY DRAINAGE Tanking Membranes HDPP
CAVITY DRAINAGE Tanking Systems .
CAVITY DRAINAGE Waterproofing Membranes .
CAVITY DRAINAGE Waterproofing Membranes HDPP
CAVITY DRAINAGE Waterproofing Systems .
CELLAR DAMP PROOFING .
CELLAR WATERPROOFING . .
CELLAR WATERPROOFING BS 8102:2009 .
CELLAR WATERPROOFING Drainage Layer Combined .
CELLAR WATERPROOFING Membranes .
CELLAR WATERPROOFING Membranes HDPP .
CELLAR WATERPROOFING Rehabilitation .
CELLAR WATERPROOFING Systems .
CELLAR WATERPROOFING Tanking Membranes .
CELLAR WATERPROOFING Tanking Membranes HDPP .
CELLAR WATERPROOFING Tanking Systems .
CEMENT CONCRETE and MORTAR ADMIXES Bonding Additives .
CLIMATE CONTROL Thermal Stores Storage Mass Passive Phase Change Material (PCM)
CLIMATE CONTROL Thermal Stores Storage Mass Passive Systems
COATINGS Antistatic .
COATINGS Concrete Silification Treatment
COATINGS Corrosion Protection .
COATINGS Efflorescence Control .
COATINGS Epoxy .
COATINGS Epoxy Coloured
COATINGS Epoxy Waterbased
COATINGS Masonry Protection .
COATINGS Reinforcement Mesh .
COATINGS Vapour Barrier .
COATINGS Waterproof .
COATINGS Waterproof Polymer Modified Cement
COATINGS Waterproof Readymixed
COATINGS Waterproofing .
COATINGS Waterproofing Capillary Systems
COATINGS Waterproofing Underground Structures EN 15814:2002 CE Marked
COATINGS SPRAY ONLY APPLIED Protective Accelerator for Fresh Bitumen Emulsions .
COATINGS TROWEL ONLY APPLIED Bitumen .
COATINGS TROWEL ONLY APPLIED Waterproof Pre Tiling
CONCRETE: APPL. AFTER CONCRETE HAS CURED Bonding Slurry .
CONCRETE: APPL. AFTER CONCRETE HAS CURED Corrosion Protectors .
CONCRETE: APPL. AFTER CONCRETE HAS CURED Crack Repair Crack Injection
CONCRETE: APPL. AFTER CONCRETE HAS CURED Crack Repair Crack Injection Epoxy Resin
CONCRETE: APPL. AFTER CONCRETE HAS CURED Floor Hardeners .
CONCRETE: APPL. AFTER CONCRETE HAS CURED Hardeners/Dustproofers Surface Application
CONCRETE: APPL. AFTER CONCRETE HAS CURED Lime Inhibitors .
CONCRETE: APPL. AFTER CONCRETE HAS CURED Mineral Deposit Silification Treatment .
CONCRETE: APPL. AFTER CONCRETE HAS CURED Plugging Compounds .
CONCRETE: APPL. AFTER CONCRETE HAS CURED Repairing Cement / Repairing Mortar .
CONCRETE: APPL. AFTER CONCRETE HAS CURED Repairing Compounds .
COOLING SYSTEMS Thermal Stores Storage Mass Passive Phase Change Material (PCM)
COOLING SYSTEMS Thermal Stores Storage Mass Passive Systems
CRACK INJECTION Epoxy Resin .
DAMP PROOFING Slurry .
DAMP WALL REHABILITATION
DAMPCOURSES Bitumen Compatible .
DAMPCOURSES Cavity Closer Combined .
DAMPCOURSES Cavity Tray .
DAMPCOURSES Co-Polymer Thermoplastic (CPT) .
DAMPCOURSES DPCs .
DAMPCOURSES Floor .
DAMPCOURSES Gas Resistant .
DAMPCOURSES Methane Barrier .
DAMPCOURSES Polythene BS 6515 .
DAMPCOURSES Preformed Units .
DRAINAGE Basement Tanking DIN 4095
DRAINAGE CHANNELS Basement Water Collection .
DRAINAGE CHANNELS Perimeter Conduits Perforated Pipe
DRAINAGE MEMBRANES BS EN 13252 CE Mark .
DRAINAGE MEMBRANES DIN 4095 .
DRAINAGE MEMBRANES Exterior Applications .
DRAINAGE MEMBRANES Horizontal Applications .
DRAINAGE MEMBRANES Packaged Pump Stations .
DRAINAGE MEMBRANES Seepage Layer .
DRAINAGE MEMBRANES Sheets .
DRAINAGE MEMBRANES Structural Applications .
DRAINAGE MEMBRANES Sub-Surface Drainage .
DRAINAGE MEMBRANES Sumps .
DRAINAGE MEMBRANES Underground Applications .
EFFLORESCENCE CONTROL Concrete .
FLAT ROOF Waterproofing .
FLOOR Void Ventilator .
FLOOR COATINGS Antistatic EN 61340-4
FLOOR COATINGS Hygienic .
FLOOR COATINGS Waterproofing .
FLOOR COATINGS (SCREED APPLIED) Waterproof .
FLOOR SCREEDS Waterproofer Incorporated .
GAS Protection Systems .
GAS Ventilating Systems BS 8485:2015+A1:2019
GAS Ventilating Systems Passive Ground Gas Venting Media
GEOTEXTILES Drainage EN 13252 CE Mark
GEOTEXTILES Drainage Structural Drainage
GEOTEXTILES Drainage Surface Drainage Sheets Sheeting
GEOTEXTILES Filtration Filters / Filter Fabric
GEOTEXTILES Protection .
GEOTEXTILES Protection EN 13252 CE Mark
GEOTEXTILES Wall Drainage .
GREEN ROOF SYSTEMS Drainage and Water Storage Elements .
GREEN ROOF SYSTEMS Drainage Membranes .
GREEN ROOF SYSTEMS Moisture Retention Mats Water Retention Drainage Sheet
GREEN ROOF SYSTEMS Protective Moisture Mats .
GROUNDWATER Collection Packaged Pump Station Alarm Systems
GROUNDWATER Collection Packaged Pump Stations
HEATING AND COOLING SYSTEMS Passive Thermal Stores Storage Mass .
INSULATION SHEETS (THIN) Breather .
INSULATION SHEETS (THIN) Multi Foil Vapour Control Layer Incorporated
INSULATION SHEETS (THIN) Multi-Reflective .
INSULATION SHEETS (THIN) Reflective Paper .
INSULATION SHEETS (THIN) Thermal .
JOINT SEALING COMPOUNDS .
MASONRY Repair Systems .
MASONRY Restoration .
MASONRY Waterproofers .
MASONRY CRACK REPAIR SYSTEMS .
MEMBRANE Protection Sheets
MEMBRANES AGREMENT CERTIFICATE HOLDERS .
MEMBRANES Bitumen Self-Adhesive EN 13969:2004 CE Marked
MEMBRANES Bitumen Rubber HDPE Polyethylene Top Foil
MEMBRANES Breather Type .
MEMBRANES Breather Type BS EN 13859-2 Class W1
MEMBRANES Breather Type Heat Reflective
MEMBRANES Breather Type Insulating
MEMBRANES Breather Type Timber Frame Construction
MEMBRANES Carbon Dioxide Retardant CO2 Barrier
MEMBRANES Damp Proofing DPM .
MEMBRANES Drainage See Also DRAINAGE MEMBRANES:
MEMBRANES EPDM .
MEMBRANES Floor Flooring
MEMBRANES Gas Barrier .
MEMBRANES Gas Barrier AGREMENT CERTIFICATE HOLDERS
MEMBRANES Gas Barrier BS 8485:2015
MEMBRANES Gas Barrier CIRIA C665, C716, C735, C748
MEMBRANES HDPE .
MEMBRANES HDPE AGREMENT CERTIFICATE HOLDERS
MEMBRANES HDPE Dimpled
MEMBRANES HDPE Drylining
MEMBRANES HDPE EN 13252 CE Marked
MEMBRANES HDPE Studded
MEMBRANES Hydrocarbon Barrier .
MEMBRANES Methane Gas Retardant Methane Barrier
MEMBRANES Plaster Lath Combined .
MEMBRANES Polyethylene .
MEMBRANES Polyethylene AGREMENT CERTIFICATE HOLDERS
MEMBRANES Polyethylene Foil
MEMBRANES Polyethylene Self Adhesive
MEMBRANES Polypropylene .
MEMBRANES Protection Layer .
MEMBRANES Radon Barrier .
MEMBRANES Radon Resistant .
MEMBRANES Self Adhesive .
MEMBRANES Structural Waterproofing .
MEMBRANES Structural Waterproofing AGREMENT CERTIFICATE HOLDERS
MEMBRANES Studded Polyethylene .
MEMBRANES Sub-Base Course .
MEMBRANES Tanking .See Also MEMBRANES: Waterproofing
MEMBRANES Vapour Barrier .
MEMBRANES VCL Vapour Control Layer .
MEMBRANES Vertical HDPE
MEMBRANES Wall Internal Vapour Control Layer
MEMBRANES Waterproofing .
MEMBRANES Waterproofing CE Marked
MEMBRANES Waterproofing DIN 18195
MEMBRANES LIQUID APPLIED Bitumen Emulsion .
MEMBRANES LIQUID APPLIED Bitumen Liquid .
MEMBRANES LIQUID APPLIED Bitumen Polymer Modified .
MEMBRANES LIQUID APPLIED Bitumen Rubber Emulsion .
MEMBRANES LIQUID APPLIED Carbon Dioxide Barrier .
MEMBRANES LIQUID APPLIED Crack Bridging .
MEMBRANES LIQUID APPLIED Crack Bridging EN 1504-2:2004 CE Marked
MEMBRANES LIQUID APPLIED Gas and Vapour Control .
MEMBRANES LIQUID APPLIED Gas Barrier .
MEMBRANES LIQUID APPLIED Gas Barrier BS 8485:2015
MEMBRANES LIQUID APPLIED Radon Gas Barrier .
MEMBRANES LIQUID APPLIED Radon Gas Barrier AGREMENT CERTIFICATE HOLDERS
MEMBRANES LIQUID APPLIED Radon Resistant .
MEMBRANES LIQUID APPLIED Styrene Butadiene Latex .
MEMBRANES LIQUID APPLIED Tanking .
MEMBRANES LIQUID APPLIED Wetroom .
MORTARS Bedding .
MORTARS Concrete Repair .
MORTARS Concrete Repair Damp Areas
MORTARS Concrete Repair Wet Areas
MORTARS Fast Setting/Quick Setting/Rapid Setting .
MORTARS Plugging Compounds .
MORTARS Vertical/Horizontal Repair .
MORTARS Waterstopping Emergency Waterplugging Repair
MORTARS Waterstopping Leak Repair
MOULD INHIBITORS Mould Control Systems .
PAINT Waterproofing .
PIPE Hole Waterproofing Gap Sealing Systems
PLASTER Laths .
PLASTER Laths Damp Proof Membrane System
PLASTER Laths Damp Proofing
PLASTER Laths Waterproofing
PLASTERS Damp Resistant .
PLASTERS Waterproof .
PRIMERS For Bitumen Coated Surfaces .
PRIMERS For Bitumen Membranes .
PRIMERS For Concrete .
PRIMERS For Concrete Floors .
PRIMERS For Concrete Floors Moisture Suppressant Protection against Rising Damp
PRIMERS For Waterproofing Membranes .
PRIMERS: TYPES Silicate Based .
PUMP ALARMS Cavity Drainage Systems .
PUMP CHAMBERS Polyethylene .
PUMPING STATION Alarms .
PUMPING STATION Alarms Remote Monitoring
PUMPING STATION Alarms Telephone Alert
PUMPING STATION Alarms WiFi Enabled
PUMPING STATION Battery Backup Units .
PUMPING STATIONS Complete Systems .
PUMPING STATIONS Packaged .
PUMPS: BY TYPE Backwater .
PUMPS: BY TYPE Cavity Drain Systems .
PUMPS: BY TYPE Cellar Drainage .
PUMPS: BY TYPE Drainage .
PUMPS: BY TYPE Groundwater .
PUMPS: BY TYPE Groundwater Packaged Pump Stations
PUMPS: BY TYPE Sewage: .
PUMPS: BY TYPE Sewage: Integrated Backwater Valve
PUMPS: BY TYPE Sewage: Lifting Units
PUMPS: BY TYPE Sewage: Packaged Pump Stations BS 752
PUMPS: BY TYPE Sewage: Packaged Pump Stations EN 12056
PUMPS: BY TYPE Sewage: Packaged Pump Stations Systems
PUMPS: BY TYPE Sewage: Submersible
PUMPS: BY TYPE Submersible .
PUMPS: BY TYPE Submersible Aggressive Water
PUMPS: BY TYPE Submersible Automatic
PUMPS: BY TYPE Submersible Dewatering
PUMPS: BY TYPE Submersible Sea Water
PUMPS: BY TYPE Submersible Septic Tank
PUMPS: BY TYPE Submersible Sewage
PUMPS: BY TYPE Submersible Swimming Pool Water
PUMPS: BY TYPE Sump .
PUMPS: BY TYPE Sump Automatic
PUMPS: BY TYPE Sump Basement Drainage
PUMPS: BY TYPE Sump Packaged Pump Stations Systems
PUMPS: BY TYPE Sump Retro-Fit Retrofit Retro Fit
PUMPS: BY TYPE Surface Water .
PUMPS: BY TYPE Wastewater .
PUMPS: BY TYPE Wastewater Packaged Pump Stations BS 12056
PUMPS: BY TYPE Wastewater Packaged Pump Stations BS 752
PUMPS: BY TYPE Wastewater Submersible
RADON Barriers .
RADON Cavity Barriers Radon Gas Resistant
RADON Protection Systems .
RADON Sumps .
RENDER Bonding Additives .
RENDER Laths .
RENDER Laths Damp Proof Membrane System
RENDER Meshcloth .
ROOF GARDEN Waterproofing .
ROOF WATERPROOFING Waterproofing Systems AGREMENT CERTIFICATE HOLDERS
ROOF WATERPROOFING Waterproofing Systems EPDM
ROOFING Felts: Breather
ROOFING Surface Treatments Waterproofing
ROOFING MEMBRANES Breather See ROOFING UNDERLAYS PITCHED ROOF MEMBRANES
ROOFING MEMBRANES Cold Liquid Applied .
ROOFING MEMBRANES Cold Liquid Applied Waterproof
ROOFING MEMBRANES Green Roof .
ROOFING MEMBRANES Pitched Roof Underlay Undertiling Underslating See Also ROOFING UNDERLAYS PITCHED ROOF MEMBRANES:
ROOFING MEMBRANES Structural Waterproofing .
ROOFING MEMBRANES Structural Waterproofing AGREMENT CERTIFICATE HOLDERS
ROOFING MEMBRANES Waterproofing .
ROOFING SHEETS Green Roof Drainage
ROOFING SHEETS Green Roof Drainage/Irrigation
ROOFING SYSTEMS Cold Liquid Applied .See Also ROOFING MEMBRANES: Cold Liquid Applied
ROOFING SYSTEMS Green Roof .
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES Metal Clad Roofs .
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES Metal Clad Roofs DIN 4102-7
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES Textured For Metal Roofing
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES Undertile Undertiling Underslating .
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES Vapour Permeable Breather Type
SEWAGE Pumping Station Alarms
SEWAGE Pumping Station Alarms Telephone Alert
SEWAGE Pumping Station Battery Backup
SEWAGE Pumps .
SEWAGE TREATMENT Wastewater .
SEWER Repair Mortars .
SOIL PIPES and FITTINGS PVC-u .Plastic UPVC
SOIL PIPES and FITTINGS PVC-u by Colours Grey
SOIL PIPES and FITTINGS PVC-u by Sizes: Imperial .
STRUCTURAL WATERPROOFING AGREMENT CERTIFICATE HOLDERS .
STRUCTURAL WATERPROOFING Cavity Drainage .
STRUCTURAL WATERPROOFING Drainage Systems .
STRUCTURAL WATERPROOFING Green Roofs .
STRUCTURAL WATERPROOFING Membranes .
STRUCTURAL WATERPROOFING Membranes HDPP .
STRUCTURAL WATERPROOFING Plaza Decks .
STRUCTURAL WATERPROOFING Protected Roofs .
STRUCTURAL WATERPROOFING Substructures .
STRUCTURAL WATERPROOFING Systems .
STRUCTURAL WATERPROOFING Tanking Membranes .
STRUCTURAL WATERPROOFING Tanking Systems .
TANKING Drainage .
TANKING Drainage Pumped
TANKING Systems .
TANKING Systems Cavity Drainage
TANKING Systems Remedial Treatments
TANKING Systems Waterproofing Membranes
TANKING Systems Waterproofing Membranes HDPP
TANKING Systems Waterproofing Systems
THERMAL STORE HEATING Passive Systems .
UNDERGROUND STRUCTURES Waterproofing Systems .
UNDERLININGS For Waterproofing .
WASTEWATER Management Systems .
WASTEWATER Treatment Plants .See Also SEWAGE TREATMENT: Wastewater
WATERPROOFING LIQUIDS Clear .
WATERPROOFING LIQUIDS Cold Applied .
WATERPROOFING LIQUIDS Polymer Modified .
WATERPROOFING MATERIALS Preformed Profiles .
WATERPROOFING SYSTEMS . .
WATERPROOFING SYSTEMS AGREMENT CERTIFICATE HOLDERS .
WATERPROOFING SYSTEMS Bathrooms/Wetrooms .
WATERPROOFING SYSTEMS Compression Resistant .
WATERPROOFING SYSTEMS Crystallization Cristalline Waterproofing
WATERPROOFING SYSTEMS Floor .
WATERPROOFING SYSTEMS Negative Side Active Leakages .
WATERPROOFING SYSTEMS Power Shower Installations .
WATERPROOFING SYSTEMS Repair Compounds .
WATERPROOFING SYSTEMS Shower .
WATERPROOFING SYSTEMS Steamrooms .
WATERPROOFING SYSTEMS Undertile .
WATERPROOFING SYSTEMS Wall .
WATERPROOFING SYSTEMS Wall AGREMENT CERTIFICATE HOLDERS .
WATERPROOFING SYSTEMS Wall Rehabilitation .
WATERSTOPS .Waterbars .
WATERSTOPS Waterplugs Leak Sealing
WETROOM Waterproofing Systems Tanking Systems .
AQUADUCT Drainage Pipe
AQUAPROOF Waterproofing System
AQUATECNIC Waterproofing System
DELTA AQUADUCT Perimeter Drainage Channel/Conduit
DELTA AWAREMAXX Pump Alarms
DELTA DUAL Damp Proofing Membranes/Pumps
DELTA DUAL V3 SUMP Packaged Pump Stations
DELTA DUALPROOF Below Ground PVC Membranes
DELTA FLOORMAXX Submersible Sewage Lifting Pumps
DELTA FOUL V3 SUMP Packaged Pump Stations
DELTA FOULMAXX Packaged Pump Stations
DELTA MS 500 Cavity Drain Membranes
DELTA MS20 Drainage Sheet
DELTA PLASTER-LATH Membrane
DELTA PUMPFIX Backwater Valve
DELTA RETROFIT Retrofit Sump
DELTA STAUFIX Backwater Valve
DELTA SUMP PUMP Groundwater Pumping Station
DELTA SYSTEM 500 Membrane
DELTA- MAXXCONNECT Pump Alarms
DELTA-ALERTMAXX Pump Alarms
DELTA-AQUADUCT Drainage Channel
DELTA-AQUASTRIP Primers
DELTA-BAND Seal
DELTA-BIOTOPVLIES Green Roof System
DELTA-CHANNEL Water Collection Conduits
DELTA-COOL 24 PCM Cooling Systems
DELTA-DICHTNAGEL Nails
DELTA-DRAIN Drainage System
DELTA-FASSADE Breather Membrane
DELTA-FLEXX-TAPE Sealing Tapes
DELTA-FLORAXX Green Roof Membranes
DELTA-FLORAXX TOP Green Roof Water Retention
DELTA-FM Membranes
DELTA-FOXX Mastic
DELTA-GEO-DRAIN QUATTRO Protection & Drainage System
DELTA-HI POWERMAXX Pump Alarm Battery Backup
DELTA-KIESOL Concrete Silification Treatment
DELTA-KOM-TAPE Sealing Tapes
DELTA-LATH Membrane
DELTA-MAUERWERKSSPERRE Damp Proof Courses
DELTA-MAXX-PLUS Roofing Underlays
DELTA-MESSAGEMAXX Pump Alarm Remote Monitoring
DELTA-MS Membranes
DELTA-MS Waterproofing Membranes
DELTA-MS CLEAR Membrane
DELTA-MS DRAIN Basement Waterproofing
DELTA-NP Protection System
DELTA-NP DRAIN Drainage System
DELTA-POLY-TAPE Sealing Tapes
DELTA-POWERMAXX Pump Alarm Battery Backup
DELTA-PROTEKT Damp Proof Courses
DELTA-PT Damp Wall Rehabilitation
DELTA-REFLEX Vapour Barrier Sheets
DELTA-TERRAXX Protection & Drainage Systems
DELTA-THAN Adhesive
DELTA-THENE Membranes
DELTA-TIXX Sealing Compounds
DELTA-TRELA Roofing Underlay
DELTA-TRELA PLUS Roofing Underlay
KOSTER Glass Fibre Mesh
KOSTER 21 Crack Bridging Membrane
KOSTER AMS Mould Resistant Paint
KOSTER BDM Waterproof Concrete Admix
KOSTER BE RAINPROOF Weatherproof Coatings
KOSTER BETOMOR Repair Mortars
KOSTER BIKUPLAN Bitumen Membranes
KOSTER BIKUTHAN Bituminous Sealant
KOSTER CRISIN Resin Injection
KOSTER DACHFLEX Roof Coating Compounds
KOSTER DEUXAN Bitumen Coating
KOSTER KB-FIX Mortars
KOSTER KB-FLEX Gap Filler
KOSTER KB-POX Adhesives
KOSTER KB-PUR GEL Waterproofing Injection Gels
KOSTER KD BLITZ Mortars
KOSTER KSK Membranes
KOSTER MAUTROL Crack Injection
KOSTER NB Mineral Waterproofing Products
KOSTER POLYSIL Concrete Priming Solution
KOSTER SILOXAN Masonry Protection
KOSTER SL PROTECT Self Levelling Underlayments
KOSTER VAP 1 Vapour Barrier Coatings
KOSTER VGM Fast Curing Grout Mortars
MEMTECH PRO LIQUID GAS BARRIER Gas Barrier Membranes
MEMTECH PRO M1 Gas Barrier Membranes
MEMTECH PRO R1 Gas Barrier Membranes
MEMTECH PRO TITAN Gas Barrier Membranes
POLYSIL Concrete Coating
QUELLBAND Waterstops
TEXTMAX Telemetry Systems

WOMEN OF WATERPROOFING NETWORKING GROUP

August 2019

WOMEN OF WATERPROOFING NETWORKING GROUP

The Women of Waterproofing is an independent networking group for females working in the waterproofing and construction industry. Our mission is to increase the number and diversity of women in all roles within the sector.
We are a friendly, open and inclusive group with diverse membership from all areas of our industry.
Data from the Office for National Statistics and industry surveys shows that the number of women in construction has not increased significantly despite attempts to increase female representation, with the waterproofing sector predominately male.

Delta Membrane Systems Limited is working hard to increase the representation of females within the waterproofing sector by supporting the Women of Waterproofing Networking Group and inspiring women to reach their full potential within the industry.
On behalf of the Women of Waterproofing Networking Group, we would sincerely like to thank Safeguard Europe Limited, like minded manufacturers, for sponsoring our luncheon held on June 14, 2019.

Thanks to your generous sponsorship, we were able to raise awareness among budding waterproofing professionals.
The luncheon was held at Bills, Covent Garden which is an ideal location for all.
Hot topics of the luncheon was ‘balancing motherhood and a career’, ‘how to attract more members to the women of waterproofing networking group’ and what is ‘diversity and inclusion’.

The ladies agreed, promoting and supporting diversity in the workplace is about valuing everyone in the organisation as an individual and to reap the benefits of a diverse workforce it’s vital to have an inclusive environment where everyone feels able to participate and achieve their potential. While UK legislation covers age, disability, race, religion, gender and sexual orientation (among others) – it only sets a minimum standard, an effective diversity and inclusion strategy goes beyond legal compliance and seeks to add value to an organisation, by contributing to employee well- being and engagement.

BUILDING A BETTER FUTURE FOR WOMEN
It was acknowledged that it’s not always easy to maintain a productive work environment and keep operations running smoothly. Our bosses (just like us) go above and beyond. So, a big thank you to our bosses, especially Delta Membranes!! Not only have you allowed us time off to attend our networking lunches, you have also supported us in building this and in building a better future for women in our sector.
The ladies also discussed timeframes for meetings. It was agreed that semi-annual meetings would be beneficial to the group at present and the next Women of Waterproofing Networking Group Luncheon was set for January 2020.

Delta - The importance of a battery backup in a Type C Waterproofing

August 2019

The importance of a battery backup in a Type C Waterproofing System

When addressing the risks involved in a pumped Type C Waterproofing System, ‘mains failure’ falls within the top 5 categorised risks. Submersible pumps installed as part of a Type C system require mains power to operate, typically single phase (240V). Battery backup systems for basement pumps are a critical inclusion in all good Type C drained protection system design along with appropriate pumps and high level alarms.

If the Type C drained protection system is designed correctly and the structure is ‘locked down’ in accordance with section 10.1 BS8102:2009, the pumps should only deal with ‘seepage’ and in turn, run minimally.

It is this guidance from BS8102:2009 that makes it crucial a battery backup consumes very little power when in ‘standby’ mode.

A mains failure can occur for a multitude of reasons. Below are the most ‘common’:

Loss of power locally within the property (a few hours?). Normally caused by a tripped fuse (overload, lightening, faulty installation, etc.)
Total loss of power to a broader geographic area (a few days?). Normally caused by a storm, grid failure, temporary downtime during works, etc
Pumps being switched off by mistake.

As part of the PCA’s ‘Best Practice Guidance for Type C Waterproofing Systems’, they recommend the inclusion of a battery backup into the design and the NHBC (National House-Building Council) state a secondary pump with a battery backup should be included in all pump systems.

This white paper will address the risks involved in not having a battery backup installed and the reason why we are taking the bold move to get uninterrupted power supplies seen as an industry standard for all Type C waterproofing projects.

The graph above is an indicator of the reliability and availability of the electricity distribution network. It shows the number of interruptions experienced by customers and the average length of interruptions – correct as of March 2019. In London, East Anglia & South East England the total amount of downtime per customer in a 12-month period was 32 minutes. This graph also indicates that 36% of people in those areas were affected by a power failure at some point in 12-months.

What is the risk?

The risk of not having a battery backup installed as part of the waterproofing system is the risk of a potential flood. If a basement construction is poor or the fabrication of the basement fails over time, the level of ‘seepage’ can become much higher. With higher levels of seepage, comes more elevated levels of risk in general, but even more so during a mains failure. This is due to the pumps working more frequently to cope with the raised levels of water ingress. Other basements being constructed in an area where there are pre-existing basements can also influence groundwater ingress through the structure (sometimes more and sometimes less).

The importance of a battery backup in a Type C Waterproofing System

The graph above, shows the steady downward trend in cycles per hour over a 6-month period. During this period, the property next door to the ‘monitored’ property with a pump station was excavating a basement. The data show the construction has influenced the groundwater course and drastically reduced the cycles per hour from 11 to 0.3

Minimising & Mitigating Risk

The way to minimise and mitigate the risk of flooding during a mains failure is to install a battery backup to power the pumps. There are lots of uninterrupted power supplies on the market, but most were not originally designed to work with pumps – they have been repurposed from other industries (IT, Marine, etc.). The main issue with repurposed battery backups is that they are designed to provide power instantaneously upon sensing a mains failure. In most cases, pumps do not require power instantly or continuously. They only require power when the float arm that controls the pump and turns it on and off is in the UP position.

The importance of a battery backup in a Type C Waterproofing System

From a sample of 173 remotely monitored groundwater pump stations, the mean average cycles per day = 7.92. This equates to 0.33 cycles per hour. Based on these statistics, the PowerMaxx will run a V3 pump for just over 6 days (as seen in the graph above).

The Delta Membranes PowerMaxx family is purpose designed and manufactured for submersible pumps. The PowerMaxx has a facility called ‘Dynamic Polling’, this enables the battery backup to achieve standby times that greatly exceed any of its nearest rivals. Dynamic Polling effectively allows the PowerMaxx to enter a ‘sleep’ mode every 2 minutes, it then checks to see if the pump requires power, if it does, the battery backup will provide power until the float is down, if it doesn’t, it will then continue ‘polling’ until the pump does require power. The PowerMaxx also features automated recharging, which means after every power failure, the battery will recharge when the mains power is present again. This means the battery backup is always ready to provide power.
Summary

With all this in mind, the installation of a PowerMaxx (or another battery backup from our range) will reduce the risk of flooding considerably by allowing weeks of standby and days of run times. This solution ultimately provides the homeowner with total peace of mind that they can be away from their property without having to worry about power failures. As mentioned in the introduction, when factoring a battery backup into a waterproofing project, don’t forget that it’s not just grid outages that cause power cuts. Storms, local electrical faults (within the property) and human error all must be factored in. While all these events may only happen once in a blue moon, they do happen and it’s essential to have a fail safe in place to protect the basement and other assets.

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