Paraseal® is a sheet waterproofing membrane consisting of 15 mils of HDPE and expandable, granular bentonite. The composite weight of the material is up to 1.0 lb/ft², creating a dual waterproofing system.

Basic Uses

• Paraseal is designed for use on backfilled walls.
• It may be used on damp or green concrete.
• Alternative versions of Paraseal are available for lagging, split slab, under slab and methane barrier conditions.