List of featured suppliers of CAVITY DRAINAGE Membranes NBS Specification J40 (Clause 290) Flexible Sheet on Building Products Index

Delta membranes specialise in the supply of waterproofing systems for basement construction & cellar construction. Products include: Basement tanking membranes, cellar waterproofing membranes, structural waterproofing systems, cavity wall DPC, cellar waterproofing, cavity drainage membranes, waterproofing systems. Other products include basement drainage systems with sumps and pumps.

Triton Chemical Manufacturing Company Limited (Triton Systems) is an established structural waterproofing systems supplier (Types A, B and C as defined in BS 8102 2009). Key systems include BBA approved TT Admix, used widely in the construction of watertight concrete structures such as commercial and domestic basements, car parks and swimming pools and a range of BBA approved cavity drain membranes. Triton also supplies flooring systems, ground gas barriers, flood prevention systems, anti-condensation products and a range of traditional timber preservation and DPC products to a network of approved contractors. Triton is an ISO 9001:2015 Quality Assured Company. Where appropriate, all Triton’s products carry the CE mark.