Basement waterproofing

Delta PT 3mm is a high-density polyethylene (HDPE) low-profile studded membrane designed for damp and contaminated walls, or where fast reinstatement of wall finishes is required after chemical damp-proof injection: suitable for damp-proofing; provides key for plaster, renders or dab fix; controls damp, salts and isolates other wall contaminants

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

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

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 Injection Gel G4 is a low-viscosity, water-based acrylic gel made for curtain injection and sealing masonry against water ingress. Designed for waterproofing below-ground structures, it can be injected into fine pores and mortar joints, and is suitable for both new builds and repairs. Swells after curing to absorb extra water and is applied

Koster Repair Mortar NC is a fibre-reinforced repair mortar and plaster made for structurally-relevant repair, touch-up of voids and levelling of concrete defects. Suitable for horizontal and vertical surfaces, it has high adhesion to mineral substrates, low shrinkage and strong chemical and mechanical resistance

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

HydroBond 410 GeoDrain is a two-core drainage sheet consisting of a non-woven geotextile filter layer thermally welded to a water-impermeable HDPE (High-Density Polyethylene) drainage membrane. HydroBond 410 GeoDrain provides outstanding drainage and protection to the outside face of basement walls, preventing the build-up of water pressure and

Delta DualProof is a pre-applied, fully-bonded Type A waterproofing membrane made from a soft PVC layer co-extruded with a non-woven PP fleece. Designed for below-ground reinforced concrete structures, it forms a permanent mechanical bond with concrete to prevent water tracking and is suitable for both horizontal and vertical applications

Delta provides high-performance external drainage protection systems for external basement walls or to protect underlying waterproofing from backfill damage: geo-Drain Quattro - drainage and protection membrane; floraxx Top - external drainage membrane for green roofs; terraxx - protection and drainage system for horizontal application; NP Drain

Delta sealed systems are recommended for below ground waterproofing where soil is retained, for example, basements and vaults. Membrane selection depends on the required finish and flow rate if applicable. All membrane junctions, fixing points, service entries and other protrusions are sealed with the Delta Seal range of sealing products. Where

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

Delta ventilated waterproofing systems are recommended for above ground situations or in areas where no free running water is expected, for example where external pavements have been built up. Ventilated system have an air gap at top and bottom. All joints and fixings are sealed. This method is a sympathetic solution in Heritage properties as a

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

Koster 21 is a 2-component, solvent-free, liquid applied, elastic, crack bridging waterproofing material that provides excellent adhesion to dry and moist substrates: liquid-applied - it is seamless, easing application to complicated architectural details; UV stable - suitable for indoor and outdoor use; its white color reflects sunlight and

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 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

Koster Repair Mortar Plus is a fast setting, slightly expanding, watertight repair mortar made for use on mineral substrates. Suitable for internal and external repairs, it adheres well to old and new surfaces and can be used as a polymer-modified cement concrete mortar with Koster SB Bonding Emulsion

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

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

MemTech Pro Titan Bond is a pre-applied waterproofing membrane comprising Memtech Pro Titan and a specialist bonded geotextile to provide a bonding layer for poured concrete specifically for waterproofing applications – Providing Type A Barrier Protection in accordance with BS 8102:2022. MemTech Pro Titan Bond hydrocarbon and VOC barrier offers a

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 MS high dimple density membranes are made of high density polyethylene. They have a high compressive strength and have more than 1800 dimples per metre squared for efficient pressure distribution and low point loads, even on perimeter insulation. Typical applications include sub-base coursing under concrete floor slabs, foundation wall

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