GoBoard Mixing Valve Seal shower-kits Whether you're tackling tough stains

Whether you're tackling tough stains on an RV or refreshing your home's curb appeal

Its twin-core construction installs directly into membrane castellations and supports floor heating beneath tile

Montolit Quality: Manufactured with the same standards trusted by professional tile installers worldwide

Durable Protection – Shields against UV rays

GoBoard Mixing Valve Seal shower-kits Whether you're tackling tough stainsThe GoBoard Mixing Valve Seal is designed for waterproofing shower mixing valve penetrations in GoBoard installations. It features a pre cut 4 1 2" opening sized for standard shower mixing valve assemblies. The seal is compatible with modified and unmodified thin set mortars and meets ANSI A118. 10 waterproofing requirements for residential and commercial shower installations. Specifications Specification Details Opening Size 4 1 2" (115 mm)