Tag archive: flashing around the plumbing vent pipe

Plumbing Vent Flashing Does Not Work with Roofing Cement

House plumbing vent flashing is required around the pipe at its roof surface penetration. Without it, or if improperly installed, rain water or melting snow will seep around the vent and damage the roof decking material, sometimes making its way down to the wall / ceiling surfaces inside the property. Depending on your roofing material…