Oatey? Rain Collar For No-Calk? Roof Flashings can be used as a secondary seal for commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe.
Oatey? Rain Collar For No-Calk? Roof Flashings can be used as a secondary seal for commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe.