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