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