How To Fit A Roof Vent

Apply a layer of sealant to the edges of the hole then place the vent into position.

How to fit a roof vent.

If your roof peak runs parallel to the street put them on the backside where they ll be less prominent. Hold the vent piece in place until you can nail it down. Use enough vent pieces to fill the length of the slot you cut. If you need to cut the vent to fit at the end of your roof use a utility knife to make it flush with your home.

Space attic vents evenly and mark the locations by driving nails up through the shingles photo 1. Measure the body of the vent. Center the vents on the peak of your roof so the sides of the vent lay flat on the roof. Here is how you do it.

Installing a roof plumbing vent is typically an easier task than flashing a chimney. Place the flashing or boot onto the plumbing vent so the base is resting on shingles. Drill a hole upward through the middle of the area you desire and leave the drill bit sticking up through the roof so you can find it from the outside. To install a roof adaptor cut and clean the hole in the roof as you would normally.

To install the vent the roofer slips the flange the metal lip of the vent under shingles at the upper part of the hole and rests the flange on top of the shingles at the down slope part of the hole. Using the tape measure determine the size of the cut into the roof that will be necessary to insert the vent into the space. Be sure to like and subscribe in order to help me bring you more helpful videos filled with tips and tricks i ve learned over the years. Mark the outline of the roof cuts that will be needed then use a skill saw to cut the outlined space.

You should be able to see the attic interior when done. Remember to allow for the lip on the vent mechanism that will fit over the opening and rest on the surface of the roof. Momentarily lift the boot and apply sealant to hold the flashing in place. Install shingles as normal up to the base of the plumbing vent.

Record those measurements on a notepad. Place all the roof vents on the same side of the roof. If you are installing the roof vent in a place where there are ridges and uneven surfaces we recommend a roof vent adapter to make the installation process easier. Then cover the bottom of the adaptor with 3m marine sealant and clamp it to the roof until dry.

Allow space for the edge of the vent opening where it will rest on the roof. Locate the drill bit.