Waterproof Seal for Shower Pipe Penetrations The GoBoard® Pipe Collar is a preformed waterproof seal designed for 1/2" to 3/4" pipe penetrations in shower walls and ceilings. Its molded waterproof membrane creates a reliable seal around plumbing penetrations to help maintain the integrity of bonded waterproofing systems. Compatible with Sheet Waterproofing Systems The collar features a molded waterproof membrane bonded to a non-woven polypropylene backing that integrates with sheet waterproofing membranes. It installs using either modified or unmodified thin-set mortar, making it compatible with a wide range of shower waterproofing assemblies. Supports Fast Shower Installation Designed to exceed ANSI A118.10 waterproofing requirements, the GoBoard Pipe Collar helps simplify waterproofing around pipe penetrations while allowing same-day tile installation. It is suitable for both residential and commercial shower applications.
