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