325Sq.ft 20mil Waterproofing Membrane Flooring Underlayment Bathroom Shower Wall
This is a high-performance flexible waterproof roll. Indoor waterproofing (bathroom, kitchen, swimming pool). Building roof waterproofing (flat roof & sloped roof). The base surface (such as concrete slab) must be firm, flat, dry and clean, free of oil stains, dust, sanding and hollow areas.