DELTA MEMBRANE SYSTEMS LTD
Suppliers of: Type C Waterproofing membranes, Basement/Below Ground Cavity Drainage Systems, Tanking Systems, Basement Tanking Membranes, Type A Waterproofing Systems, Type B Waterproofing Systems, Structural Waterproofing, Waterproofing Systems, Submersible Pumps, Fl
Delta Membrane Systems Limited is the leading Type C Cavity Drain Membrane manufacturer in the United Kingdom and the UK arm of Dörken Gmbh & Co KG, the world’s largest manufacturer of cavity drain membranes. Delta Membrane Systems Limited provides a full range of waterproofing and damp proofing solutions for architects, specifiers, developers, contractors and homeowners alike on new, retrofit and refurbishment construction and in flood resilience. We also supply ground gas protection membranes protecting structures from harmful ground gases such as radon, carbon dioxide, methane and hydrocarbons.
With over 125 years of manufacturing experience Delta is an impeccable partner on every project. Our skills have been mastered through experience in the waterproofing industry. Delta’s Technical Team will help from concept to completion. Our hands-on approach and knowledge are what sets us apart.
Installing a Delta Membrane System offers complete protection to structures from ground water ingress and contaminates. Our products comply with British Standard 8102:2009, 8485:2015+A1:2019 and 85500:2015 and are BBA certified.
Our nationwide network of Delta Registered Installers offers a fully guaranteed installation service.
Proudly supporting the Women of Waterproofing Networking Group to inspire, retain and attract females into the Waterproofing sector.
CAD Drawings available on our website or via FastrackCAD
Main Products & Applications:
Delta provides waterproofing products for all three types of waterproofing (Types A, B & C) as defined within BS 8102:2009.
Our ‘Type C’ Waterproofing Systems are a maintainable basement/below ground waterproofing solution for new-build basements, refurbishment and retrofit projects. The Type C System comprises of a Cavity Drain Membrane, Drainage system, Package Pump and Control System.
In principle a cavity drain membrane system allows moisture or running water to travel behind the membrane within a controlled drainage system. A cavity drain system requires minimal preparation and disturbance to an existing substrate.
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.
External Drainage Systems are also known as external tanking, which is the application of a waterproof membrane to the outside of a basement or substructure in accordance with BS 8102:2009 (Type A).
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.
Koster Bauchemie AG specialises in high quality structural waterproofing products and systems. These systems protect and preserve buildings and structures worldwide. 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 Koster have the optimum solution.
Koster systems and products stand out due to their exceptionally easy and user-friendly application.
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 & ancillary products, liquid applied systems, movement and construction joint waterproofing and injection systems. Please contact our technical team for support in selecting the right system for your project.
Further technical information and guidance is available on the Delta Membrane Systems website or via the BPi download Library
Delta Membranes introduce Koster BD Wetroom Tanking System
A walk-in-shower or wet room can add a beautiful open space to any
home, the level-access is popular for both its style and practicality.
The benefits for homeowners include:
• Easy Access
• Flexible Design
• Attractive Modern Designs and perfect for creating a contemporary look
• Great for Maximising Space
• Ease to Clean
• A wet room can increase the value of your home
The key to the success of any wet room or walk in shower is a complete and resistant waterproofing system. Delta Membranes are proud to be exclusive distributors of the CE certified Koster BD Wetroom Tanking System in the United Kingdom.
It is important to install a trusted product from specialist waterproofing manufacturer to ensure all continually exposed areas are kept dry and protected. If done properly, your floor is better protected than it would be in a standard bathroom!
The Koster BD System has been developed to prevent water leakage
from tiled areas, such as: Wet rooms, Shower Areas, Bathrooms and
Kitchens. The Koster BD System comes in a convenient tanking kit -
everything you need in one box!
The Koster BD System compromises of:
Koster Super Fleece
One tanking kit will cover approximately 10 M²
Benefits of the Koster BD Wetroom Tanking System: -
• Fully Waterproof
• Breathable (water vapour permeable)
• CE Marked
• Easy to tile with all waterproof tile adhesives
• Simple to apply
• Silicone compatible
• Compatible with underfloor heating
• User friendly (VOC Free)
• In full compliance with all relevant British Standards and Building Regulations.
The entire BD System is 100% waterproof! Simple and safe to work
with - tested by those in the waterproofing industry. When you
purchase a Koster product from Delta, you are also purchasing a
Let our Technical Team become your Technical Team – We
thrive on helping our customers find more efficient and simplified
solutions. Contact us today on firstname.lastname@example.org or
Delta HQ on 01992 523 523.
Delta Membrane - Waterproofing Design – a robust solution
Waterproofing Design – a robust solution
Meeting Standard expectations
The British Standard regarding structural waterproofing is BS8102:2009, this standard encourages the use of a Waterproofing Design Specialist to a design team. NHBC Chapter 5.4 mirrors these guidelines. In cases of litigation or disputes both BS8102:2009 and NHBC Chapter 5.4 will be used as a benchmark.
Both standards place great emphasis on creating a robustly waterproofed environment in both domestic and commercial structures. The advantages are clear in terms of protecting the integrity of a structure.
There are three categories of waterproofing systems available:
Type A (Barrier) Protection
Type A waterproofing relies on applying a waterproofing material to the internal or external walls and floor slab of a below ground structure. The structure itself is not considered to be integrally waterproof. The Type A protection needs to be 100% defect-free to offer perfect protection.
Type B (Structurally Integral) Protection
Type B waterproofing requires the structure to be built/constructed as ‘integrally water-resistant’. That the protection from water ingress is the structure itself. Like Type A waterproofing systems, the watertightness of Type B construction is heavily reliant on perfect installation to be entirely effective.
Type C (Drained) Protection
Type C waterproofing is known in the industry as a fool proof system. Unlike Types A and B, Type C systems do not inhibit water pressure/water ingress but controls water ingress in a strategic fashion.
Grades of Habitable environment
Table 2 of BS8102:2009 defines waterproofing requirements to achieve desired internal environments. These three Grades are defined as:
• Grade 1 – Where some seepage and damp areas are tolerable – such as car parks, non-electrical plant rooms or workshops.
• Grade 2 – Where no water penetration is acceptable but damp areas are tolerable – such as plant rooms or workshops which require a drier environment than Grade 1.
• Grade 3 – No water penetration is acceptable – such as living spaces, commercial areas, offices, restaurants and kitchens.
It is important the environmental Grade is defined as early as possible, to ensure expectations are achieved from the outset.
In achieving a Grade 3 habitable space - a combination of two types of waterproofing (A & C, B & C) is usually adequate. In most cases the safest combination will always include a Type C system, whilst the choice of the other system is largely dictated by the type of structure/project requirements.
Another important consideration is whether the basement area will extend beyond the ground floor footprint, such as a buried deck or roof area. This will also require a waterproofing solution. In most cases, a combination of a waterproofing system along with a protective drainage layer will be required.
The steps to a good design solution
A good CSSW (or equally qualified) waterproofing designer will consider a bespoke approach, based on the project criteria.
In choosing the right approach, the design solution should be a process which includes multiple factors such as: customer requirements, standards, robustness, cost, resources, time, skill required, safety, desktop studies, analysis of geotechnical reports/tests and expectations of ground water all translated into a design solution.
Delta’s technical drawings are available in all formats and free of charge!! Just visit on https://www.deltamembranes.com/technical-categories/technical-drawings/.
Need something we have not yet produced? Our trusted technical team can design systems and drawings for your specific projects – contact us on 01992 523 523 or email email@example.com.