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BBA certified waterproofing
BBA-certified waterproofing for roofs, basements and civil structures. Sheet membranes, liquid-applied coatings, cavity drain systems and cementitious tanking for watertight protection of podium decks, balconies, retaining walls and wet rooms. Certification confirms tested performance and regulatory compliance.
BBA certified waterproofing - helping you find the best solution for your project.

Delta Plaster Lath - 8mm cavity meshed membrane
The Delta Plaster Lath high performance polyethylene meshed membrane is used for above and below ground waterproofing and damp-proofing internal and external walls, vaulted ceilings. It can be used in new constructions or in existing buildings over a contaminated or damp background. The membrane is extruded into a series of studs which create a- PRODUCT
Delta Membrane Systems
Delta Amphibia - 1.3mm pre/post-applied waterproof membrane
Delta Amphibia is a BBA-approved, fully bonded 1.3mm pre- and post-applied waterproofing membrane for below-ground and earth-retained structures. Made from a co-extruded, multi-layer system with a hydroreactive, self-sealing core, it is suitable for vertical and horizontal applications in new construction- PRODUCT
Delta Membrane Systems
Newton HydroTank - Type B integral below-ground structures waterproofing
Newton HydroTank System is an integral Type B waterproofing system designed to make below-ground concrete structures watertight by sealing joints and penetrations. Uses BDA certified waterbars, waterstops, flanges, sealants, and capillary blocking treatments. Designed in line with BS 8102:2022 and BS EN 1992 for structural waterproofing: integral- PRODUCT
Newton Waterproofing
Delta MS 500 Fire - fire-retardant Type C cavity drain membrane
Delta MS 500 Fire Retardant is an 8mm-thick studded Type C cavity drainage membrane that has been manufactured with DELTASAFE, an innovative fire-retardant property which enables the product to achieve a Euroclass rating of B-S2, d0 in accordance with EN 13501-1:2018. This fire-retardant high-density polyethylene (HDPE) membrane has an 8mm- PRODUCT
Delta Membrane Systems
Koster Deuxan 2C - bitumen external tanking waterproofer
Koster Deuxan® 2C is a BBA approved primary waterproofer for external tanking. It is a robust, crack-bridging, 2-component, polymer-modified bitumen thick film sealant for waterproofing construction. Designed for the secure and permanent exterior waterproofing of basement walls, foundations, floorplates and for intermediate
Delta PT - damp proof & waterproofing cavity membranes
Delta PT is a high-performance polyethylene membrane that has been specially designed with damp control in mind. It is used to insulates and isolate damp and contaminated walls, vaults, and basements. Delta PT is manufactured with 8mm extruded studs that create a continuous air gap. This results in a watertight, temperature and chemical-resistant- PRODUCT
Delta Membrane Systems
Delta MS 500 - 8mm cavity drain membrane
DELTA MS 500 - 8mm cavity drain membrane. Type C Drained Protection. BBA approved. Supplied in 2.4 / 2.0 x 20m rolls
Newton Hydrobond - Type A external below ground waterproofing system
Newton HydroBond System is a Type A external waterproofing system for below-ground structures, made from a range of sheet and liquid-applied membranes. Designed to create a continuous barrier against water and ground gases, it can be pre-applied or post-applied to concrete slabs and walls. Suitable for use where protection from groundwater, radon- PRODUCT
Newton Waterproofing
Delta MS 20 - 20mm cavity drain membrane for floors and walls
Delta MS 20 is an HDPE, dimpled membrane with 20mm studs designed as a seepage layer for damp-proofing applications. Delta® MS 20 is used to waterproof floors, walls and vaulted ceilings where high drainage capacities are required in both above and below ground applications. Supplied in 2m x 20m rolls, DELTA® MS 20 can be applied as horizontal or
Delta Plaster Lath - 7mm meshed damp proofing membrane
Delta Plaster Lath is an easy to use 7mm meshed damp proofing membrane system which eliminates dampness, the effects of salts and contaminated backgrounds from walls. The meshed key surface provides a key for render, plaster, or dab fixing plasterboard. Delta Plaster Lath's dimpled design creates an air gap, which insulates and allows for- PRODUCT
Delta Membrane Systems
Newton Hydrocoat System - Type A internal waterproofing solution
Newton HydroCoat System is an internal Type A waterproofing solution designed to resist water ingress in existing structures. Applied as a liquid membrane, it creates a barrier on internal surfaces to block moisture. Suitable for use on damp or saturated substrates, it is quick to apply and compatible with other waterproofing types for combined- PRODUCT
Newton Waterproofing
Newton CDM System 500 - Type C cavity drain waterproofing system
Newton CDM System is a Type C cavity drain waterproofing system designed to manage water ingress in basements and below-ground structures. System includes BBA certified membranes, drainage conduits, sump chambers, pumps, and control systems. Suitable for new-build and refurbishment projects where a dry internal environment is required: cavity- PRODUCT
Newton Waterproofing
Delta fire-retardant, Type C waterproofing
Delta’s fire-retardant MS 500 membrane gives a unique opportunity to the structural waterproofing sector for Type C systems to be used in reducing the spread of fire, or where installation has not previously been possible for fire safety reasons. Delta MS 500 Fire offers a B-S2, d0 Euroclass fire rating (EN 13501-1:2018) whilst maintaining its- PRODUCT
Delta Membrane Systems
Koster NB1 Grey mineral waterproofing slurry system
Koster NB1 Grey is a BBA certified mineral waterproofing slurry system containing crystallising and capillary-plugging agents for sealing against pressurised water. It can be used for waterproofing against ground moisture, non-pressurised and pressurised water in new buildings and restoration. It has a watertight (>130 m water head), mineral
CDM 508 - 8mm cavity drain membrane for basements
Newton CDM 508 is a BBA-certified, high-quality, 8mm cavity drain waterproofing membrane. It is designed for use within the Newton CDM System for internally applied waterproofing that includes drainage and pumping systems. CDM 508 is suitable for waterproofing earth retained walls and vaulted soffits and floors. It is guaranteed against
BBA certified waterproofing - helping you find the best companies for your project.
Delta Membrane Systems
Manufactures cavity drainage membrane systems for internal and external damp-proof control and gas resistance. The polyethylene membranes feature studs which create a continuous air gap behind the membrane, to isolate walls from new finishes and to allow ventilation of the wall. The membranes can be used externally as a waterproof protection and
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DELTA House, Merlin Way, North Weald, Epping, CM16 6HRNewton Waterproofing
The Newton System 100 range of cement-based is designed for making repairs to structural concrete. It can be used in conjunction with the Newton System 500 range of cavity drain membrane systems. The Newton System 500 range is designed to create an internally applied waterproofing system based on cavity drain membranes, drainage systems and
Newton House, 17-19 Sovereign Way, Tonbridge, TN9 1RH- 21a Sirdar Road, Brook Road Industrial Estate, Rayleigh, SS6 7XF
Rawell Environmental
Manufacturer of prehydrated sodium bentonite waterproof membranes for structural waterproofing (suitable for grade 4 basements), landscaping, environmental protection and petrochemical lining. The BBA-certified membrane is chemically inert and non-toxic, has a low permeability coefficient, is chemical and saline resistant, self-seals if punctured
Carr Lane, Hoylake, Wirral, CH47 4AZRIW
RIW manufactures waterproofing and tanking systems. Products include a cold applied high density polyethylene film bonded to aluminium foil and coated with a bitumen / rubber self adhesive layer with a removable reinforced silicone release paper. Typical applications, apart from waterproofing, include the suppression of methane and carbon dioxide
487 / 488 Ipswich Road, Slough, SL1 4EPTimberwise
Timberwise provides a complete service for the conversion of basement areas. Timberwise offers a full feasibility, design and installation service for commercial clients. Timberwise specialises in transforming damp basements into dry usable areas. Critical to this is the waterproofing systems, which provides protection against flooding, seepage
1 Drake Mews, Gadbrook Park, Northwich, CW9 7XF- Unit 4, Saltergate Business Park, Burley Bank Road, Harrogate, HG3 2BX
Trace Basement Systems
Waterproofing contractor, specialising in the care and construction of basements and other spaces subject to water ingress. Membranes are made from CFC- and HCFC-free materials. They are installed on basement walls and serve to direct any water ingress into drainage channels, whilst maintaining excellent U-values
7 Graphite Way, Hadfield, Glossop, SK13 1QHTriflex
Supplies a waterproofing and surfacing system consisting of a liquid-applied polyester covering reinforced with a polyester fabric. The system is used as a waterproof wearing surface for trafficked concrete substrates with or without an asphalt surface, including car parks, elevated walkways, balconies and suspended floors in wet production areas
Whitebridge Way, Stone, ST15 8JS

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