The DUAL SEAL® waterproofi ng sheet membrane combines the strength, chemical and puncture
resistance of high density polyethylene (HDPE) with the expanding self-sealing capabilities of
Sodium Bentonite Clay, to form the most unique waterproofi ng system on the market today. DualSeal® products have been used throughout the world to control water ingression in below grade
areas of all types of building and civil engineering structures. Proven quality, minimal jobsite
preparation time and ease of installation have made Dual Seal® products worldwide market leaders in the waterproofing industry.