Mysest56 
April 16, 2018
Plumbing pipes on home roofs are coated using a steel square of flashing and sealed with silicone caulking. Water is prevented by the flashing of the pipes from getting to the house. Pipe flashing has. This gasket can crack or crumble aside and degrades over time as a result of prolonged contact with UV rays, which leads to leaking roofs.
Remove the nails that hold the pipe. Some nails will be close to the underside of the pipe, the others will be below the best row of shingles close to the pipe. Carefully raise the shingles up 1inch from edge or the seam using a putty knife. Remove any roofing nails on the shingles using a prybar. Run the putty knife an overall total of 10″ beneath the best row of shingles where they protect the flashing to loosen them. This stops damaging the shingles when you pull out the aged flashing from under them.
Insert the putty knife under the corner of the flashing where it’s nailed to safeguard the shingles beneath it it. Insert the pry bar underneath the flashing and on the putty knife after which pry the nail up. Remove the flashing that is other nails the way.
Pull the flashing off the pipe and out from under the shingles cautiously. As you pull it up turn the flashing.
Cut a bit of roofing membrane using a utility knife to protect the pipe opening in the roof as well as the region that is bare where the flashing was on on the top. Cut a hole in the middle of the roofing membrane for the pipe. Trim the edges of the roofing membrane so that it will be overlapped by the vent pipe by 1-inch on all sides.
Run a bead of silicone caulk across the vent pipe opening in the roof. Remove the backing in the roofing membrane and slide it down and over the pipe onto the roof. Where it comes into connection with the pipe to seal it run a bead of silicone caulk over the leading edge of the roofing membrane.
Stretch the opening of the neoprene rubber gasket on the flashing together with your hands to allow it to be wide enough to to feed it, or slide the rubber opening within the most effective of the pipe to stretch out it.
Run a bead of silicone caulk round the the inner (bottom facet) of the neoprene rubber gasket opening of the flashing. Slide the vent pipe flashing on the pipe. Lift the shingles that are loosened up and rotate the pipe flashing down onto the roof and beneath the shingles.
Run a bead of silicone caulk 1inch in from your edge on the shingles that are loose.
Press the flashing down onto the roof. Drive nails, 1inch in from each corner, to the roof and also the flashing. Drive centered on each facet of the flashing in in the edge, on the sides, 1inch.
Where they overlap nail the shingles back-down in to put on on on the top as well as the flashing. Position the nails close to the outdated nail holes as you nail the shingles down.
Run a bead of silicone 1/2 inch above the line of black or tar adhesive on the bottom of the best row of unfastened . that are shingles Press the silicone edges of the shingles down onto the flashing.