Seal Around Roof Vent Pipe

Steps for fixing a leaking rooftop vent pipe.

Seal around roof vent pipe.

Cut away the old caulk from around the vent pipe. Pvc base vent pipe flashing with adjustable rubber collar in black model 81720 4 38 4 38. Pry the nails that are holding the flashing. Some nails will be near the bottom of the pipe others.

Light gray liquid wet patch elastomeric sealant for roof repairs model 890288419. Here s how to seal around a vent pipe by replacing them. Set your store to see local availability add to cart. Gibraltar building products 5 75 in.

Insert the putty knife under the corner of the flashing where it is nailed to the roof to protect the shingles. Apply a thick bead of lap seal caulk around the seam. Gaf roof mate acrylic flashing 2 gal. Use the knife blade to scrape the pipe clean and smooth.

Remove the nails that hold the vent pipe flashing to the roof. Use a pocketknife to scrape rough edges and sharp points from upper end of plastic vent pipe. Also known as plumbing jacks or roof jacks roof vents are the pipes that protrude out and let the gases in your kitchen and bathroom escape. Although roof vents are necessary and create a balance between air exhaust and intake the water tight seals around roof vents can get damaged over time by excessive heat cold or wind.

There may be nails positioned underneath the shingles across the top row. You need to do this in. How to seal a plumbing vent pipe on the roof 1. This old house general contractor tom silva shows how to create a watertight seal around a vent pipe.