How To Install A Vent Pipe Through Roof

Extend the vent pipe outside the building according to building regulations.

How to install a vent pipe through roof.

Use your feet to flatten the flashing down over the contour of the roof. 4 repeat the ventilation process with any other fixtures you re installing. How to install a vent pipe through a roof step 1. Where the scrap wood hit the understructure of the roof we drilled a hole straight through to the outside.

The lower half of the flange sits on top of the shingles. Be sure to extend the pipe up at least 2 to 3 above the roof to prevent snow buildup from causing problems. Cut through the plywood and roofing material with your reciprocating saw. Below are some links to the tools i used on this project.

After screwing it down securely do another bead of silicone around the edge also put some silicone on all the screws as well. With the pipe in a vertical position. This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. Go into your attic.

Hi john yes you can vent a range hood through the roof using a 6 single wall pipe. See below for a shopping list and tools subscribe. Apply a bead of asphalt roof cement on the bottom of the vent. Choosing a whole house fan.

Be sure to subscribe. Follow the outline you marked out. This is how i installed my dwv drain waste vent pipe through my metal roof. Position the vent pipe up to the bottom of the roof.

Slide the vent under the shingles so they cover the top half of the vent flange. Use your finger or a tool to smooth the silicone around. 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. Screw it down in a way that its fits tight over the humps of the metal roof.

Nail the lower corners with roofing nails and tar the heads. True vents also have no water running through them. 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.