Look closely at any home and you will see several pipes protruding from the roof. Most of these pipes are ventilation pipes needed for proper drainage of indoor plumbing systems. Vent pipes are ...

The white pipe sticking up out of the roof is a plumbing vent. The rubber boot at the base of the plumbing vent is part of the flashing kit for this vent, and the boot has dried out and split. Here's ...