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.

How far vent through roof.

Position the vent pipe up to the bottom of the roof. The code requires a 10 foot horizontal distance from any. First from inside the attic your roofer will drive a nail through the roof structure to mark spots for the vents. The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood.

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. 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. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot. 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. The nail will either drive directly through the roof or pop a shingle that s easy to spot on the topside of the roof. 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. These terminals need to be cleaned on a regular basis to prevent lint buildup.

Go into your attic.