Basement Tanking & Waterproofing Membranes

Basement Waterproofing Membranes

Protect your cellar with our reliable basement waterproofing membranes. Designed with studded HDPE, these cavity drain systems create an air gap to direct water into sump pumps for safe discharge—fully compliant with BS 8102 Type C standards.

Membranes for Walls and Floors
Choose from low-profile 3 mm, standard 8 mm (with or without mesh), or high-capacity 20 mm membranes, depending on water levels and finish requirements.

Fast UK Delivery & Expert Advice
All products are BBA Approved, easy to install, and available in various sizes. Get trade prices and expert support for your basement tanking project.

9 items

Damp Check – Mesh Membrane Kit

Damp Check Kit provides an effective moisture barrier when isolating damp walls from internal finishes. The air gap behind the damp-proof membrane allows walls to breathe and water to drain. 10m Kit

Price excl. VAT: £80.00

Price incl. VAT: £96.00

Tanking Membrane CM3 Mesh

Mesh-faced membrane with 3mm studs and a polypropylene mesh to provide a key for plaster, render or plasterboard dry lining on plaster dabs. Roll sizes: 10m2, 20m2 and 40m2

Price excl. VAT: £60.75

Price incl. VAT: £72.90

Tanking Membrane Wykamol CM 8

CM8 is a versatile 8mm high tanking membrane for use in waterproofing damp proofing applications above and below ground level. Options: Rolls of 40m2 and 48m2

Price excl. VAT: £114.80

Price incl. VAT: £137.76

Tanking Membrane Wykamol CM 8 Mesh

CM8-Mesh Membrane withf 8mm studs and polypropylene mesh key for direct application of plaster, render or adhesive dabs for plasterboard dry lining. Rolls sizes: 20m2 and 40m2

Price excl. VAT: £123.50

Price incl. VAT: £148.20

Wykamol CM8 Waterproofing Membrane Kit

Waterproofing membrane kit with everything needed for waterproofing. Sizings 2 x 20m or 2 x 2.4m of floor or wall. Fix studs to basement membrane plugs for dry-lining walls. Lay screed direct.

Price excl. VAT: £148.70

Price incl. VAT: £178.44

Wykamol CM8 Mesh Membrane Kit

Mesh membrane kit in 3 sizes with everything needed for waterproofing wall surfaces. These waterproof tanking membranes include a mesh face for direct application of plaster or dabs for plasterboard. 2.20m or 2.10m sizings

Price excl. VAT: £155.84

Price incl. VAT: £187.01

Wykamol CM20 Waterproof Floor Membrane

Cavity-drain membrane with 20mm studs for use on cellar floors with 20mm studs. A membrane with high cavity drain capacity. Ideal for basement waterproofing leaving ready for flooring. Roll sizes: 2 x 10m or 2 x 20m

Price excl. VAT: £110.98

Price incl. VAT: £133.18

External Waterproof Membrane – GeoText

Double-layered waterproof cavity drain membrane for foundation waterproofing in new-build applications. High density polyethylene membrane bonded to a geotextile mat. Roll size 2m x 20m (40m2)

Price excl. VAT: £175.00

Price incl. VAT: £210.00

Wykamol Basement Membrane – 6 Pack

Basement membrane for tanking walls and floors in basement waterproofing schemes. Cavity drain membranes are available in 40m2 and 48m2 rolls for cost effective basement waterproofing. Multi-Pack: 6 rolls. Sizings: 2 x 20m or 2 x 2.4m.

Price excl. VAT: £625.80

Price incl. VAT: £750.96

Twistfix