This is the official Schluter KERDI Pipe Seal — a prefabricated waterproofing seal with an over-molded rubber gasket, made to seal pipe penetrations through KERDI, DITRA, or DITRA-XL membranes. The seal helps ensure a waterproof barrier, preventing leaks and protecting moisture-sensitive backing panels. Key Features & Specifications • Designed for 3/4” (20 mm) pipe penetrations • Made from KERDI membrane material with a built-in rubber gasket • Approximately 4 mil thickness to minimize buildup around fittings • Compatible with unmodified thin-set mortar • Helps maintain a watertight seal and prevent mold/leaks • Ideal for shower walls, floors, and wet-area assemblies
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