How To Install Metal Roofing Around Vent Pipes

How to overcome vent pipes when putting on a metal roof step 1.

How to install metal roofing around vent pipes.

Use some asphalt roof cement under the cut shingle and around the vent pipe as shown in figure 2. A quick step by step guide on how to flash a metal roof. Figure 1 install shingles just below vent pipe. Apply a second layer of sealant around the lip of the vent outside.

Momentarily lift the boot and apply sealant to hold the flashing in. Run a tape measure over the diameter of the pipe and add 1 2 to 3 4 inch to that before making the cut. 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. 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. Always begin working at the point with the longest peak to eave distance. 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.

Apply the last row of shingles that is just below the vent pipe as shown in figure 1. Then move into the attic and apply to the underside of the opening and vent. Metal roof flashing installation. Figure 2 cut shingle to fit over vent pipe.

Find the mark that shows the flow of water. Slide the rubber boot over the pipe to check the fit. Bring some chalk for marking purposes. How to flash a metal roof.

Trim the flashing in the center of the rubber boot with a roofing knife so it fits snugly around the pipe. Add the metal panels. Trace the outline of the base of the rubber boot onto the metal roof with a pencil. Using the tape measure determine the size of the cut into the roof that will be necessary to insert the vent into the space.

Go up the attic armed with a flashlight. Continue the next row of shingles cutting a hole for the vent pipe. Remove the rubber boot. Place the flashing or boot onto the plumbing vent so the base is resting on shingles.

Here s how to check for a roof leak. Here is how you do it. Use the flashlight to look for water marks on your roof s underside. Use the flashlight to trace it up to its highest point.

In this video i cover installing a roof boot for a vent pipe in a metal roof. Record those measurements on a notepad. Remember to allow for the lip on the vent mechanism that will fit over the opening and rest on the surface of the roof. Drill starter holes if needed then scew down the vent with the fasteners in the installation kit.