Waterproof membrane for external walls - 20m²
PermaSEAL 8 Geodrain is a twin sheet 8mm stud cavity drain membrane for external waterproofing. It features a high quality geotextile filter fabric, thermally welded to the studded face.
The Geodrain membrane is used externally below ground in conjunction with a land drain or French drain to alleviate any water pressure bearing on the structure. Although PermaSEAL 8 Geodrain is waterproof, it must always be used in combination with a fully bonded primary waterproofing system.
The high quality filter fabric allows water to pass into the cavity cr...
