| MEMBRANES | A.PROCTOR GROUP LTD |
| CAVITY TRAYS LTD |
| CORDEK LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| DUPONT PERFORMANCE BUILDING SOLUTIONS |
| DURAL UK LTD |
| FAKRO GB LTD |
| FIREFLY |
| FORTICRETE ROOFING PRODUCTS LTD |
| HOWARTH TIMBER GROUP |
| ICB GROUP |
| KLOBER LTD |
| LYNVALE TECHNICAL ADHESIVE TAPES |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| RADMAT BUILDING PRODUCTS LTD |
| ROCKWOOL LTD |
| SOPREMA UK |
| MEMBRANES Acid Resistant | CORDEK LTD |
| MEMBRANES Acoustic | A.PROCTOR GROUP LTD |
| ROCKWOOL LTD |
| SOPREMA UK |
| TARKETT LTD |
| UZIN UTZ UK LTD |
| MEMBRANES AGREMENT CERTIFICATE HOLDERS | A.PROCTOR GROUP LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| DUPONT PERFORMANCE BUILDING SOLUTIONS |
| KLOBER LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| SOPREMA UK |
| MEMBRANES Airtight Applications | A.PROCTOR GROUP LTD |
| DUPONT PERFORMANCE BUILDING SOLUTIONS |
| ICB GROUP |
| KLOBER LTD |
| SOPREMA UK |
| TECHNIBOND LTD |
| MEMBRANES Alkali Resistant | CORDEK LTD |
| MEMBRANES Anti-Fracture | MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| MEMBRANES APP Modified Bitumen | ICB GROUP |
| SOPREMA UK |
| MEMBRANES AVCL Air and Vapour Control Layers | A.PROCTOR GROUP LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| DUPONT PERFORMANCE BUILDING SOLUTIONS |
| ICB GROUP |
| KLOBER LTD |
| SOPREMA UK |
| TECHNIBOND LTD |
| MEMBRANES Ballasted | AAC WATERPROOFING LTD |
| SOPREMA UK |
| MEMBRANES Bentonite | MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| MEMBRANES Bitumen | DELTA MEMBRANE SYSTEMS LTD |
| ICB GROUP |
| SOPREMA UK |
| MEMBRANES Bitumen Rubber | DELTA MEMBRANE SYSTEMS LTD |
| MEMBRANES Breather Type | A.PROCTOR GROUP LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| DUPONT PERFORMANCE BUILDING SOLUTIONS |
| FAKRO GB LTD |
| FIREFLY |
| HOWARTH TIMBER GROUP |
| KLOBER LTD |
| MEMBRANES Bridge Decking Grade | SOPREMA UK |
| MEMBRANES BS 1521 | A.PROCTOR GROUP LTD |
| MEMBRANES BS 4016 | KLOBER LTD |
| MEMBRANES BS 5534:2003 | FAKRO GB LTD |
| KLOBER LTD |
| MEMBRANES Butyl Rubber | NEWTON WATERPROOFING SYSTEMS |
| RADMAT BUILDING PRODUCTS LTD |
| MEMBRANES Car Parking Decks | ICB GROUP |
| SOPREMA UK |
| MEMBRANES Carbon Dioxide Retardant | A.PROCTOR GROUP LTD |
| CAVITY TRAYS LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| TIMLOC BUILDING PRODUCTS |
| MEMBRANES Cavity Drain / Cavity Former | CAVITY TRAYS LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Ceramic Tile Applications | DURAL UK LTD |
| NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Chemical Resistant | CORDEK LTD |
| ICB GROUP |
| SOPREMA UK |
| MEMBRANES Contaminated Land | CAVITY TRAYS LTD |
| MEMBRANES Damp Proofing DPM | CAVITY TRAYS LTD |
| CORDEK LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| DON CONSTRUCTION PRODUCTS LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| SOPREMA UK |
| MEMBRANES Drainage | DELTA MEMBRANE SYSTEMS LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Drinking Water Applications | AAC WATERPROOFING LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| SOPREMA UK |
| MEMBRANES Elastomeric | ARDEX UK LTD |
| ICB GROUP |
| SOPREMA UK |
| MEMBRANES Elastomeric / Bitumen | ICB GROUP |
| SOPREMA UK |
| MEMBRANES Elastoplastomeric | ICB GROUP |
| MEMBRANES EN 13501-1 Class A2 | A.PROCTOR GROUP LTD |
| FIREFLY |
| MEMBRANES EN 13501-1 Class B | A.PROCTOR GROUP LTD |
| DUPONT PERFORMANCE BUILDING SOLUTIONS |
| MEMBRANES EN 13967:2012 + A1:2017 CE Marked | MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES EN 13967:2012 CE Marked | DELTA MEMBRANE SYSTEMS LTD |
| NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES EPDM | AAC WATERPROOFING LTD |
| AFFIXIT ADHESIVE TAPES |
| DELTA MEMBRANE SYSTEMS LTD |
| ICB GROUP |
| ILLBRUCK |
| LYNVALE TECHNICAL ADHESIVE TAPES |
| NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES EPR Ethylene Propylene Rubber | SOPREMA UK |
| MEMBRANES Expansion Movement Joints | NEWTON WATERPROOFING SYSTEMS |
| SOPREMA UK |
| MEMBRANES Exposed | SOPREMA UK |
| MEMBRANES Fabric Non-Woven | A.PROCTOR GROUP LTD |
| FORTICRETE ROOFING PRODUCTS LTD |
| MEMBRANES Facade Systems: | A.PROCTOR GROUP LTD |
| DUPONT PERFORMANCE BUILDING SOLUTIONS |
| FIREFLY |
| KLOBER LTD |
| MEMBRANES Facade Systems: Ventilated Facades | A.PROCTOR GROUP LTD |
| FIREFLY |
| MEMBRANES Floor | A.PROCTOR GROUP LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| SOPREMA UK |
| UZIN UTZ UK LTD |
| wedi Systems (UK) Ltd |
| MEMBRANES Foil Faced | A.PROCTOR GROUP LTD |
| MEMBRANES Gas Barrier | A.PROCTOR GROUP LTD |
| CAVITY TRAYS LTD |
| CORDEK LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| TIMLOC BUILDING PRODUCTS |
| MEMBRANES Gas Impervious | CORDEK LTD |
| MEMBRANES Gas Retardant | A.PROCTOR GROUP LTD |
| CAVITY TRAYS LTD |
| CORDEK LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| TIMLOC BUILDING PRODUCTS |
| MEMBRANES Ground | A.PROCTOR GROUP LTD |
| MEMBRANES Ground Gas and VOC Venting Systems | CORDEK LTD |
| MEMBRANES Ground Gas Venting Systems | A.PROCTOR GROUP LTD |
| CORDEK LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| MEMBRANES HDPE | DELTA MEMBRANE SYSTEMS LTD |
| DUPONT PERFORMANCE BUILDING SOLUTIONS |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES HDPP | NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES High Performance | A.PROCTOR GROUP LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| SOPREMA UK |
| MEMBRANES Hydrocarbon Barrier | A.PROCTOR GROUP LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| MEMBRANES Hydrocarbon Resistant | A.PROCTOR GROUP LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| MEMBRANES Insulating | A.PROCTOR GROUP LTD |
| FIREFLY |
| MEMBRANES LDPE | NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Loose Laid | CAVITY TRAYS LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| MEMBRANES Mechanically Fastened | AAC WATERPROOFING LTD |
| ICB GROUP |
| MEMBRANES Meshed Surface | MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Metal Cladding | DUPONT PERFORMANCE BUILDING SOLUTIONS |
| KLOBER LTD |
| MEMBRANES Methane Gas Retardant | A.PROCTOR GROUP LTD |
| CAVITY TRAYS LTD |
| CORDEK LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| TIMLOC BUILDING PRODUCTS |
| MEMBRANES Microperforated | SOPREMA UK |
| MEMBRANES Mineral Coated | ICB GROUP |
| RADMAT BUILDING PRODUCTS LTD |
| MEMBRANES Non-Vapour Permeable | A.PROCTOR GROUP LTD |
| ICB GROUP |
| KLOBER LTD |
| SOPREMA UK |
| MEMBRANES Oversite | CAVITY TRAYS LTD |
| MEMBRANES Oxidized Bitumen | SOPREMA UK |
| MEMBRANES PBE Bitumen | SOPREMA UK |
| MEMBRANES Pitch Polymer | SOPREMA UK |
| MEMBRANES Plaster Lath Combined | DELTA MEMBRANE SYSTEMS LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Plastic | ARDEX UK LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Pollutant Resistant | A.PROCTOR GROUP LTD |
| MEMBRANES Polyester Fabric | ICB GROUP |
| MEMBRANES Polyester/Bitumen/Polymer | ICB GROUP |
| MEMBRANES Polyethylene | DELTA MEMBRANE SYSTEMS LTD |
| DURAL UK LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| wedi Systems (UK) Ltd |
| MEMBRANES Polymer Modified Bitumen | ICB GROUP |
| SOPREMA UK |
| MEMBRANES Polyolefin TPO | SOPREMA UK |
| MEMBRANES Polypropylene | DELTA MEMBRANE SYSTEMS LTD |
| ICB GROUP |
| KLOBER LTD |
| NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Polythene | CAVITY TRAYS LTD |
| NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Polythene/Polypropylene | NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Pond Lining | AAC WATERPROOFING LTD |
| NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Pre-Applied | DELTA MEMBRANE SYSTEMS LTD |
| MEMBRANES Pre-Bonded | DELTA MEMBRANE SYSTEMS LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| MEMBRANES Protection Layer | A.PROCTOR GROUP LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| DUPONT PERFORMANCE BUILDING SOLUTIONS |
| ICB GROUP |
| MEMBRANES Puncture Resistant | SOPREMA UK |
| MEMBRANES Purpose Made | NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES PVC | DELTA MEMBRANE SYSTEMS LTD |
| SOPREMA UK |
| MEMBRANES Radon Barrier | A.PROCTOR GROUP LTD |
| CAVITY TRAYS LTD |
| CORDEK LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| MEMBRANES Radon Resistant | A.PROCTOR GROUP LTD |
| CAVITY TRAYS LTD |
| CORDEK LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| MEMBRANES Rainscreen Cladding | A.PROCTOR GROUP LTD |
| DUPONT PERFORMANCE BUILDING SOLUTIONS |
| FIREFLY |
| KLOBER LTD |
| MEMBRANES Recycling Service | NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Rehabilitation | RADMAT BUILDING PRODUCTS LTD |
| MEMBRANES Reinforced Bitumen | ICB GROUP |
| RADMAT BUILDING PRODUCTS LTD |
| MEMBRANES Reinforced Polymer | SOPREMA UK |
| MEMBRANES Reinforced PVC | SOPREMA UK |
| MEMBRANES Render Lath Combined | NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Root Barriers | DELTA MEMBRANE SYSTEMS LTD |
| DUPONT PLANTEX LANDSCAPE SOLUTIONS |
| ICB GROUP |
| NEWTON WATERPROOFING SYSTEMS |
| RADMAT BUILDING PRODUCTS LTD |
| SOPREMA UK |
| MEMBRANES SBS Modified Bitumen | ICB GROUP |
| SOPREMA UK |
| MEMBRANES Self Adhesive | A.PROCTOR GROUP LTD |
| CORDEK LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| ICB GROUP |
| RADMAT BUILDING PRODUCTS LTD |
| SOPREMA UK |
| MEMBRANES Single Ply | A.PROCTOR GROUP LTD |
| ICB GROUP |
| SOPREMA UK |
| MEMBRANES Slurry Cut-Off | Phi Group - Retaining Structures |
| MEMBRANES Sodium Bentonite/Geotextile Composite | MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| MEMBRANES Solar Reflective | SOPREMA UK |
| MEMBRANES Structural Waterproofing | AAC WATERPROOFING LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| ICB GROUP |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| RADMAT BUILDING PRODUCTS LTD |
| SOPREMA UK |
| MEMBRANES Studded Polyethylene | DELTA MEMBRANE SYSTEMS LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Sub-Base Course | A.PROCTOR GROUP LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| NEWTON WATERPROOFING SYSTEMS |
| SOPREMA UK |
| MEMBRANES SUDS Applications | AGGREGATE INDUSTRIES - COMMERCIAL LANDSCAPING |
| S1E LIMITED |
| MEMBRANES Synthetic Rubber | NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Tank Lining | AAC WATERPROOFING LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| SOPREMA UK |
| MEMBRANES Tanking | AAC WATERPROOFING LTD |
| BAL ADHESIVES LTD |
| CAVITY TRAYS LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| RADMAT BUILDING PRODUCTS LTD |
| SOPREMA UK |
| MEMBRANES Tear Resistant | FAKRO GB LTD |
| KLOBER LTD |
| SOPREMA UK |
| MEMBRANES Temporary Protection | A.PROCTOR GROUP LTD |
| MEMBRANES Timber Frame Construction | DUPONT PERFORMANCE BUILDING SOLUTIONS |
| KLOBER LTD |
| MEMBRANES Uncoupling | DURAL UK LTD |
| GAIA CLIMATE SOLUTIONS LTD |
| MEMBRANES Under Floorcovering | ARDEX UK LTD |
| HYDRON PROTECTIVE COATINGS LTD |
| NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Under Roadway | SOPREMA UK |
| MEMBRANES Undertile Ceramic Tile Backing | DURAL UK LTD |
| MEMBRANES Vapour Barrier | A.PROCTOR GROUP LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| DUPONT PERFORMANCE BUILDING SOLUTIONS |
| FAKRO GB LTD |
| ICB GROUP |
| KLOBER LTD |
| RADMAT BUILDING PRODUCTS LTD |
| SOPREMA UK |
| TOR COATINGS LIMITED |
| MEMBRANES Vapour Control Layers | ICB GROUP |
| MEMBRANES Vapour Permeable | A.PROCTOR GROUP LTD |
| DUPONT PERFORMANCE BUILDING SOLUTIONS |
| FAKRO GB LTD |
| FIREFLY |
| KLOBER LTD |
| MEMBRANES Vapour Proof | A.PROCTOR GROUP LTD |
| DUPONT PERFORMANCE BUILDING SOLUTIONS |
| ICB GROUP |
| KLOBER LTD |
| SOPREMA UK |
| MEMBRANES VCL Vapour Control Layer | A.PROCTOR GROUP LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| DUPONT PERFORMANCE BUILDING SOLUTIONS |
| FAKRO GB LTD |
| ICB GROUP |
| KLOBER LTD |
| RADMAT BUILDING PRODUCTS LTD |
| SOPREMA UK |
| MEMBRANES Vehicle Parking Decks | RADMAT BUILDING PRODUCTS LTD |
| SOPREMA UK |
| MEMBRANES Vented Underlayer | ICB GROUP |
| MEMBRANES Vertical | A.PROCTOR GROUP LTD |
| AAC WATERPROOFING LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| KLOBER LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Wall: Fire Resistant | A.PROCTOR GROUP LTD |
| FIREFLY |
| MEMBRANES Wall: Internal Air Barrier | KLOBER LTD |
| MEMBRANES Wall: Internal Vapour Control Layer | A.PROCTOR GROUP LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| KLOBER LTD |
| MEMBRANES Wall: Steel Frame Construction | DUPONT PERFORMANCE BUILDING SOLUTIONS |
| KLOBER LTD |
| MEMBRANES Wall: Timber Frame Construction | DUPONT PERFORMANCE BUILDING SOLUTIONS |
| KLOBER LTD |
| MEMBRANES Wall: Vapour Permeable | A.PROCTOR GROUP LTD |
| DUPONT PERFORMANCE BUILDING SOLUTIONS |
| KLOBER LTD |
| MEMBRANES Water Feature Applications | AAC WATERPROOFING LTD |
| MEMBRANES Water Storage | SOPREMA UK |
| MEMBRANES Waterproofing: | A.PROCTOR GROUP LTD |
| AAC WATERPROOFING LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| DUPONT PERFORMANCE BUILDING SOLUTIONS |
| ICB GROUP |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| SOPREMA UK |
| MEMBRANES Waterproofing: Bonded Waterproofing Assemblies | AAC WATERPROOFING LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Waterproofing: CE Marked | DELTA MEMBRANE SYSTEMS LTD |
| DUPONT PERFORMANCE BUILDING SOLUTIONS |
| MEMBRANES Waterproofing: DIN 18195 | DELTA MEMBRANE SYSTEMS LTD |
| MEMBRANES Waterproofing: EVA/PVC Alloy | ICB GROUP |
| MEMBRANES Waterproofing: Ground Gas Resistance | A.PROCTOR GROUP LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Waterproofing: Kiwa BDA Agrément Certificate | NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Waterproofing: Mechanical Bond to Poured Concrete | MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| MEMBRANES Waterproofing: Self Sealing Hydro-Reactive Layer | DELTA MEMBRANE SYSTEMS LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| MEMBRANES Waterproofing: Torch-On Applications | ICB GROUP |
| MEMBRANES Wetroom Applications | NEWTON WATERPROOFING SYSTEMS |
| SOPREMA UK |
| MEMBRANES Windtight | DUPONT PERFORMANCE BUILDING SOLUTIONS |
| KLOBER LTD |
| MEMBRANES Woven Glass Laminated to Aluminium Foil | FIREFLY |
