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 ...

The plumping system in your home needs a few things to work properly, namely water and air. While the first one is obviously, the second one might not be. In order for water to flow down a drain, the ...