Tanking Membrane - Thermaseal

An insulated and waterproof cavity drain membrane for use on walls in cellar waterproofing projects where there is no extreme water ingress.

Manufactured with aluminium foil bonded to a closed cell polyethylene sheet with 4mm studs to create continuous drainage channels. 2 Litres of space per m2 of insulating waterproof membrane permits water to drain and air to circulate, allowing underlying substrate to drain and breath. Suitable for waterproofing walls in domestic or commercial environments, above or below ground. Presents dry surface for drywall stud lining or adhesive dabs for plasterboard applied over plug collars.

BS 8102: 1990 - Type C compliant - waterproofing below ground for structural concrete

Roll size: 1.35m x 50m (67.5m2)
Drainage\ventilation capacity >2 l/m2
R-Value * 0.125 M2K/W

For each roll of Thermaseal insulated cavity drain membrane you will need:
Tape (1 roll), Brick plugs (3 boxes) and Plug seals (3 bags) or Waterproof rope (1 roll)