If you suspect a blockage, look for these common indicators:
Every plumbing system has two parts: the pipes that carry waste out and the pipes that let air in. The vent pipe (or plumbing stack) usually runs vertically through the house and exits through the roof.
If you suspect a blockage, look for these common indicators:
Every plumbing system has two parts: the pipes that carry waste out and the pipes that let air in. The vent pipe (or plumbing stack) usually runs vertically through the house and exits through the roof. vent pipe blockage