Replacing Plumbing Vent Pipe Roof Flashing

Roofing nails per side photo 2.

Replacing plumbing vent pipe roof flashing.

The plumbing vent also known as a vent stack helps regulate the air pressure in your plumbing system. Free delivery with 45 order. Plumbing vent pipes on house roofs are covered with a metal square of flashing and sealed with silicone caulking. Replace all rubber boots and replace metal penetration flashing.

Find vent pipe flashing at lowe s today. See other blogs for a proprietary vent flashing repair kit and a repair using a boot flashing with the roof pan trimmed off. Works for any size pipe. Rubber vent flashing automatically adjusts to any pitch lift the vent enough to spread caulk under the sides but not the bottom edge then nail with three 1 1 4 in.

When you reach the vent pipe you then insert a vent pipe flashing and continue adding shingles around and above it as normal. It also allows fresh air into the plumbing system to help water flow smoothly through the drain. Video turorial on how to change out a plumbing vent boot. Replacing a dry rotted vent pipe flashing since the rubber material that fits around the pipe is susceptible to breaking down from uv sun rays it is only a matter of years until you will need to replace the flashing.

I ve used this repair on several roofs over the years. Oatey retro master roof flashing 1 4 in to 4 in x 8 in epdm rubber vent and pipe flashing. Critter quitter critter quitter small size plumbing vent repair for 2 1 2 in. Plumbing vent pipes that extend through the roof come with metal flashing or rubber boot type flashing to seal the penetrations.

In simplest terms a new vent pipe boot flashing is slid over the top of the existing one and the top edge of the pan is lapped beneath the overlying shingle course. Center the pipe in the flashing and push the flexible front corners up or down so that the flashing pipe is parallel to the vent pipe. Inside diameter black new construction or reroof thermoplastic vent pipe roof flashing model pb 312 4bk 19 97 19 97. Lead flashing 1 1 2 in.

The flashing of the vent pipes prevents water from getting into the house.