PREPRUFE waterproofing mem.nes create seals that prevent water migration between the mem.ne and the structure in every direction. They were the industry’s first pre applied mem.nes to adhesively bond to the foundation and shield buildings from water and damaging gas, vapor and moisture..SU.AL Dimpled Mem.ne is for use on all types of foundations as a Waterproofing Dampproofing Mem.ne. In order to receive the year product warranty, SU.AL Foundation Waterproofing must be installed according to SU.AL installation instructions with the proper SU.AL accessories..Waterproofing is a protective mem.ne applied to the exterior side of a foundation wall. This mem.ne stops water from getting through the walls and into the ba.t interior. Spray application provides a seamless barrier that turns the interior into a dry ba.t..SU.AL Dimpled Mem.ne is a permanent ba.t waterproofing and dampproofing drainage mem.ne all in one. It comes in several roll sizes ranging from ‘” ‘” wide x .’ long. It can be easily installed for permanent protection from moisture on any type of foundation, floor slab or retrofit applications..