How To Install A Vent Pipe Through The Roof

Slide the vent under the shingles so they cover the top half of the vent flange.

How to install a vent pipe through the roof.

Extend the vent pipe outside the building according to building regulations. Yes you can vent a range hood through the roof using a 6 single wall pipe. The true vent is aligned vertically and attaches to your drain line through the roof. This is best implemented if a fixture rests close to the stack and the top floor of your home allowing the stack to serve as a vent.

Extend a pipe upward from the tee and tie it into the main vent stack. With the pipe in a vertical position trace around the pipe. How to install a vent pipe through a roof. Usually the vent pipe must extend six inches above the roof or 12 inches 30 5 cm away from vertical walls but double check your building codes and requirements to make sure.

Cut through the plywood and roofing material with your reciprocating saw. See below for a shopping list and tools subscribe. Vent a fixture by cutting into the drain line using a saw. Nail the lower corners with roofing nails and tar the heads.

Install a sanitary tee. Go into your attic. Install the vent and seal the underside of the vent flange with roofing grade sealant caulk. Seal between the top of the vent flange and at the bottom of the roofing shingles as well.

Where the scrap wood hit the understructure of the roof we drilled a hole straight through to the outside. Follow the outline you marked. True vents also have no water running through them. 4 repeat the ventilation process with any other fixtures you re installing.

Then flash it with the shingles that you removed prior on both sides and above the vent. Choosing a whole house fan. This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. There can t be any drains above the point.

The lower half of the flange sits on top of the shingles. You can buy the proper flashing to install it on a flat roof and a roof cap that has screen around it to prevent insects from entering. Be sure to extend the pipe up at least 2 to 3 above the roof to prevent snow buildup from causing problems.