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