How Far Vent Through Roof

The nail will either drive directly through the roof or pop a shingle that s easy to spot on the topside of the roof.

How far vent through roof.

The penetration will be oval to have a round pipe exit vertically through a pitched roof you need an oval hole in the roof. First from inside the attic your roofer will drive a nail through the roof structure to mark spots for the vents. All open vent pipes that extend through a roof shall be terminated at least number typically 6 inches mm above the roof except that where a roof is to be used for any purpose other than weather protection the vent extensions shall be run at least 7 feet 2134 mm above the roof. With the pipe in a vertical position trace around the pipe using a pencil.

Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot. The code requires a 10 foot horizontal distance from any. The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood. Dryer vents should always be vented through the side of the house and not vented through the roof and ideally the exit should be fairly close to the ground.

Keeping a clean dryer vent is much easier when you can safely reach the exit. Vent your bath and kitchen exhaust fans through the roof through a special roof hood. Position the vent pipe up to the bottom of the roof. These terminals need to be cleaned on a regular basis to prevent lint buildup.

The vent opening must be far enough above the roof and away from doors and windows to prevent the sewer gases from drifting into the house.