Slide the rubber boot over the pipe to check the fit.
How to install metal roofing around vent pipes.
Measure the body of the vent.
How to flash a metal roof.
Figure 2 cut shingle to fit over vent pipe.
Continue the next row of shingles cutting a hole for the vent pipe.
Remember to allow for the lip on the vent mechanism that will fit over the opening and rest on the surface of the roof.
Using the tape measure determine the size of the cut into the roof that will be necessary to insert the vent into the space.
Find the mark that shows the flow of water.
Place the cover over the vent opening and screw into place.
In this video i cover installing a roof boot for a vent pipe in a metal roof.
Here s how to check for a roof leak.
Remove the rubber boot.
Install shingles as normal up to the base of the plumbing vent.
Trim the flashing in the center of the rubber boot with a roofing knife so it fits snugly around the pipe.
Installing a roof plumbing vent is typically an easier task than flashing a chimney.
Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm.
Record those measurements on a notepad.
Take care the first piece is aligned precisely perpendicular square to the edge.
The metal i m using is called crinkle black i purchased all my materials at h.
Here is how you do it.
Figure 1 install shingles just below vent pipe.
A quick step by step guide on how to flash a metal roof.
Install the panels leading up to the vent pipe until getting as close as possible to the pipe.
Metal roof flashing installation.
Go up the attic armed with a flashlight.
Run a tape measure over the diameter of the pipe and add 1 2 to 3 4 inch to that before making the cut.
Drill starter holes if needed then scew down the vent with the fasteners in the installation kit.
Apply the last row of shingles that is just below the vent pipe as shown in figure 1.
Always begin working at the point with the longest peak to eave distance.
Use the flashlight to look for water marks on your roof s underside.
Add the metal panels.
Use the flashlight to trace it up to its highest point.
Bring some chalk for marking purposes.
Apply a second layer of sealant around the lip of the vent outside.
Place the flashing or boot onto the plumbing vent so the base is resting on shingles.
Then move into the attic and apply to the underside of the opening and vent.
Use some asphalt roof cement under the cut shingle and around the vent pipe as shown in figure 2.
