Paraseal® GM/LG 60 Mil

HDPE/Bentonite Sheet Membrane Dual Waterproofing System

Paraseal® GM/LG – 60 mil is a sheet waterproofing and methane-mitigating membrane consisting of 60 mils of HDPE, expandable granular bentonite and a protective layer of spun-bonded polyester. The composite weight of the sheet is up to 1.5 lb/ft², creating a dual waterproofing system. The HDPE extends beyond the bentonite on the perimeter edges to create a clean surface for extruded weld or wedge weld installation.

Basic Uses
  • Paraseal GM/LG – 60 mil is designed for use in post-installation submerged conditions, on blindside walls, shotcrete walls and under slab where hydrostatic water head and/or methane conditions exist.
  • It may also be used on backfilled walls.
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Product Details, Safety, and Installation
  • Does the Paraseal line require a protection course?

    A protection course is not required, however, drainage is always encouraged.