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