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Structural waterproofing
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Structural waterproofing for basements, podium decks, tunnels and substructures. Type A, B and C systems to BS 8102. Sheet and liquid-applied membranes, cavity drain systems, cementitious slurries and waterproof concrete. Waterstops, injection resins, joint sealants and protection boards. Drainage composites, primers and accessories for new build and refurbishment.
SponsoredDeck waterproofing repair at Gunwharf Quays, Portsmouth
Gunwharf Quays is home to over 90 brands, the outlet centre occupies a prominent waterside location in the heart of Portsmouth's historic maritime quarter, adjacent to Portsmouth Harbour and the iconic Spinnaker Tower. During planned structural alterations to expand the retail area, principal contractor Conamar uncovered a waterproofing failure- PROJECT
Newton Waterproofing
Structural waterproofing - helping you find the best solution for your project.

HydroCoat 905-CM – Water Based Curing Membrane
Newton HydroCoat 905-CM is a water-based curing compound which inhibits the effects of sun and wind on liquid waterproofing membranes and so extends the curing time to ensure full cement hydration and full strength of the product. HydroCoat 905-CM is a specially formulated, water-based curing compound utilising advanced acrylic copolymers, which
TRADECC PC 509 Z Acryl – Flexible Acrylic Injection Resin
A four-part acrylic injection resin with a controllable reaction time and low viscosity, making it ideal for sealing fine cracks, wet or dry, deep into the substrate. The resin can also be injected into the HydroTank 302 InjectionHose system to provide a maintainable Type B waterproofing solution. PC 509 Z Acryl is a four-part injection resin with
NewSeal 408 DeckDrain - Drainage Membrane for Decks & Flat Roofs
NewSeal 408 DeckDrain is a drainage membrane for decks and flat roofs. It is double cuspated, has drainage studs to the upper and lower surfaces, and incorporates a polypropylene geotextile filter layer, bonded to a water-impermeable HDPE (High-Density Polyethylene) core. The double cuspated design gives drainage two layers: firstly, allowing for
Delta MS Drain (Geotextile external drainage layer)
MS Drain serves as a drainage layer with fused-on geotextile. Sheet features a high compressive strength of c. 500kN/m² as well as more than 8,900 dimples/m². Featuring a contact area four times greater than that of conventional dimpled sheets allowing for greater distribution of pressure on the waterproofing. Fused-on hydrophilic geotextile- PRODUCT
Delta Membrane Systems
MemTech Pro Titan Tank - waterproof and ground gas membrane
MemTech’s Pro Titan Tank is a post applied waterproof and ground gas membrane which offers a safe solution for the protection of buildings, structures and occupiers against all levels of Hydrocarbons, VOCs, Methane, Carbon Dioxide and Radon gas ingress. MemTech Pro Titan Tank is a post applied waterproof and hydrocarbon barrier gas membrane. This- PRODUCT
Delta Membrane Systems
Koster PUR Gel
Koster PUR Gel is a solvent-free, water activated polyurethane gel. Depending on the amount of water added, a highly elastic, waterproof gel or respectively hydro-gel foam is formed. After it has reacted in dilutions up to 1:10, it is resistant to pressurised water. It does not contain free isocyanides and is chemically stable after reacting. It
HydroCoat 107 Elastic 2K - Cementitious Flexible Waterproofing
Cementing Waterproof Strength: HydroCoat 107 Elastic 2K, a cementitious coating, ensures robust waterproofing and protection for concrete and masonry. Its spray application makes it perfect for large-scale projects, ideal for reservoirs, tunnels, water tanks, basements, podium decks, flat roofs, and balconies. Spray-Applied Precision: Tailored for
Koster BD Wetroom Tanking System
The Koster BD Wet Room Tanking Kit is a ready-to-use, seamless waterproofing set featuring the highly elastic, waterproof acrylic-based material, Koster BD 50 and all its components combined in one package: 2kg of BD50 Primer; 10kg of BD50 Compound; 15 metres of Koster Super Fleece; 1 outlet sleeve. BD 50 Primer A water-dilutable, low viscous- PRODUCT
Delta Membrane Systems
Delta Type C cavity drainage waterproofing systems
Delta's Type C cavity drainage waterproofing system comprises a cavity drain membrane, drainage system, package pump and control system. It is a maintainable basement waterproofing solution for new-build basements, refurbishment and retrofit projects. Type C waterproofing is defined as “drained protection”, where the structure itself provides- 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
Delta Amphibia fully-bonded, four-layer waterproofing
Delta Amphibia is a fully-bonded, multi-layer, co-extruded waterproofing system for below-ground construction in residential and commercial applications. This robust, tough and flexible waterproofing membrane is reactive to contact with water, self-repairing, self-sealing and self-fastening to concrete. It can be applied vertically or horizontally- PRODUCT
Delta Membrane Systems
Delta PT - waterproof membranes for walls, vaults and basements
Delta PT is a high-performance polyethylene membrane used to insulate 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 seal. The 8mm stud design of Delta PT provides a continuous air gap- PRODUCT
Delta Membrane Systems
HydroBond 403 Plus - hydrophilic and bonding membrane
HydroBond 403 Plus is an extremely high-performance composite sheet waterproofing membrane featuring a locking fleece to one side and a polymer hydrophilic coating to the other. When situated under the new raft or against the wall shuttering the poured concrete engages into the locking fleece so that the membrane is completely locked in and
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
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
NB Elastic Grey - cement waterproof coating for basements and wet rooms
NB Elastic Grey is a waterproof, elastic coating made for mineral surfaces, designed to resist wear, bridge cracks up to 2mm, and withstand dilute acids and alkalis. Suitable for new builds and repairs, it cures quickly and can be applied in seamless layers for durable protection in demanding environments
PC Leakinject UNI 6816 E - polyurethane injection resin
PC Leakinject UNI 6816 E is a single-component PU resin and catalyst with low viscosity suitable for water-sealing big gaps, cracks, or water leaks with high pressure or flow. Reacts in contact with water to form a semi-rigid foam: forms a hard, high-strength seal within the structural crack or joint; penetrates deep into fine structural cracks
Koster KD System - waterstop waterproofing system
The Koster KD System stops active water ingress and safely seals off pressurised water from the negative side. It is resistant to salts which are harmful to the building structure, and to aggressive substances which are present in the ground. Salts will not detach the fully cured Koster KD System coating from the substrate: koster KD 1 Base Fast- PRODUCT
Delta Membrane Systems
NP Drain - two-ply composite sheet drainage membrane
NP Drain two-ply composite sheet drainage membranes are made from high density polyethylene. They have a high compressive strength and offer drainage and waterproofing for vertical and horiztonal appilications. NP Drain memebranes are comprised of a dimpled sheet that prevents water logging and a geotextile layer that filters out fine soil- PRODUCT
Delta Membrane Systems
Delta FlexiDri - plastic watertight wall fixing plugs for membranes
Delta FlexiDri patented watertight fixing plugs have an expandable design and a self-sealing grommet, used for securely fixing membranes to substrates without extra sealing rope. Each plug has a central watertight pin that expands for a firm grip and allows for the installation of wall ties or dry lining systems: expandable watertight fixing plug
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
FlexProof 106 Primer - For Construction Joint Waterproofing
FlexProof 106 Primer is a polyurethane-based primer suitable for construction joint waterproofing, that improves the adhesion of FlexProof 106 NV to porous substrates, and should always be used when concrete has been ground: increases the adhesion of FlexProof 106 NV to most substrates; seals porous and dusting concrete. priming of substrates
Geo-Drain Quattro - drainage protection & waterproofing membrane
Unique drainage protection system/external waterproofing membrane that works with Type A External Waterproofing or can be used in civil engineering situations. Compact 4-layer membrane. For vertical and/or horizontal use- PRODUCT
Delta Membrane Systems
Koster BDM - high-performing liquid additive for reinforced concrete
Koster BDM is a high-performance liquid additive for reinforced concrete, designed to reduce water absorption, increase compressive strength and improve chemical resistance. Made from a polymer liquid, it crystallises within concrete, blocks capillaries and makes the mix water repellent. Suitable for all Grades under BS 8102:2022 and free from

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