Waterguard Perimeter Drainage Channel 2.2m or 7'6" The original underfloor drainage channel takes water from below the floor, the wall surface and from the vulnerable wall - floor joint. Each length is 7'6" If you need 8 lengths or multiples of 8 lengths - order whole box(es) - item above - and save money. £45.00
Therma-Dry Wall Cavity Drainage Membrane 36m2 The original foil lined closed cell cavity drainage membrane, developed to beat the condensation problem that affects old fashioned plastic membranes. £199.00