How To Install Roof Flashing For Vent Pipe
Using a sawzall cut any roofing nails in the area of the lower mounting plate flush with the sheathing.
How to install roof flashing for vent pipe. Begin by removing the shingles at the affected area and removing old flashing if present. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. To make the installation easier you can turn the flashing as you lower it in place.
Metal roof flashing installation. Use roofing nails to install the l shaped flashing flush with the roof and wall then cover it with roofing cement and reattach the roofer s felt. The flashing should be installed under the top and side shingles but it should be laid above the shingles that are below the vent pipe. Figure 1 install shingles just below vent pipe.
Remove the old and clean the pipe. How to install flashing around a vent pipe five steps to replace a vent pipe flashing 1. Then nail the new l shaped flashing under the builder s felt but above the fascia board. 1 remove nails holding down shingles above the pip.
Pull the old flashing up over the vent pipe and scrape any old caulk and debris off the roof. The neck of the flashing should fit snugly around the pipe. Apply the roofing felt on the roof cutting a hole for the vent pipe. Carefully remove all the shingles from the flashing.
Continue the next row of shingles cutting a hole for the vent pipe. How to flash a metal roof. After selecting an area to install from inside the building square the template between the roof rafters and outline with a marker. Apply the last row of shingles that is just below the vent pipe as shown in figure 1.
Slide the new flashing over the vent pipe and under the shingles above the pipe. A quick step by step guide on how to flash a metal roof. Next use a reciprocating saw with a rough in blade to cut the out the marked template. Be sure to clean the outside of the pipe from old caulk that could be in the way of the flashing.