After selecting an area to install from inside the building square the template between the roof rafters and outline with a marker.
How to install roof flashing for vent pipe.
Carefully remove all the shingles from the flashing.
Metal roof flashing installation.
Using a sawzall cut any roofing nails in the area of the lower mounting plate flush with the sheathing.
Hammer the nails into the top and sides of the flashing.
Begin by removing the shingles at the affected area and removing old flashing if present.
Pull the old flashing up over the vent pipe and scrape any old caulk and debris off the roof.
1 remove nails holding down shingles above the pip.
Figure 1 install shingles just below vent pipe.
Open valleys have metal flashing to protect this critical area of the roof.
The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.
Remove the old and clean the pipe.
How to install flashing around a vent pipe five steps to replace a vent pipe flashing 1.
A quick step by step guide on how to flash a metal roof.
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.
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.
Apply the roofing felt on the roof cutting a hole for the vent pipe.
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.
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.
Apply the last row of shingles that is just below the vent pipe as shown in figure 1.
Continue the next row of shingles cutting a hole for the vent pipe.
Then nail the new l shaped flashing under the builder s felt but above the fascia board.
The neck of the flashing should fit snugly around the pipe.
Slide the new flashing over the vent pipe and under the shingles above the pipe.
