HYDRO BAN Drain Collars

The HYDRO BAN Deep Drawn Drain Collars are available in 3/4" (19 mm) and 1 1/2" (38 mm) depths and a 17" (43 cm) diameter.
Preformed drain collars are designed to use with Hydro Ban Sheet Membrane when a shower pan is installed using 3701 Fortified Mortar Bed or similar materials. The Hydro Ban Drain Collar enables the installer to easily waterproof a shower pan when using a divot method with mortar around a clamping ring drain assembly.