How To Replace A Roof Vent Collar

Starting at the lower half of the vent pipe i stretch a 5 in.

How to replace a roof vent collar.

The opening on the top of the collar will be smaller than the pipe itself. It s an stretchable uncured epdm membrane with a butyl adhesive backing and rated for full exposure to uv light. Set the top part of the vent on the pipe. Dependable construction has been providing residential commercial assist with water fire mold and smoke restoration plus storm damage restoration.

See below for a shopping list and tools subscribe to. Next use a reciprocating saw with a rough in blade to cut the out the marked template. Wide piece of tape over the rubber collar and onto the aluminum flashing making sure to press the tape into all the contours for a good seal. After selecting an area to install from inside the building square the template between the roof rafters and outline with a marker.

Make sure that you select a collar in the correct size. Using a sawzall cut any roofing nails in the area of the lower mounting plate flush with the sheathing. This old house general contractor tom silva shows how to create a watertight seal around a vent pipe. Works for any size pipe.

The rain and repair collar is going to be placed over top of the existing boot. Video turorial on how to change out a plumbing vent boot. This will make sure that the fit is snug and that the collar creates a water tight environment. Cut through the sealant covering the seam between the vent pipe and its storm collar with a utility knife.

Make sure the inside of the lead collar fits inside the pipe then tighten the pipe clamp. Finally replace the shingles photo 3. The storm collar s cone shaped design directs rainwater away from the roof flashing.