Opening To Roof From Attic

If there are asphalt shingles on your roof the attic must be ventilated to comply with the terms of the.

Opening to roof from attic.

The 2012 international residential code requires an attic access opening for attics with an area greater than 30 square feet and a vertical height in excess of 30 inches. If the attic space is going to be conditioned either for living or mechanical purposes or if a home design calls for a vaulted ceiling provision r806 3 in the international residential code calls for the roof deck above the space to be vented continuously from the eave to the ridge. When the attic becomes part of the home to be heated and cooled open wall gable vents and roof vents are no longer feasible but the underside of the roof the sheathing and rafters can still. From the roof the roofer will cut away shingles and underlayment and use a saber saw to cut a hole the same size as the diameter of the vent.

Obviously more research is needed but here s what we do know. Your actual living space is sealed. Do not cut through a double beam in the attic since these are support beams for the entire house. A roofer will from the attic mark a spot near the ridge of the roof he may first use nails from the attic to mark preferred spots between two rafters.

The rough framed opening. Don t avoid ventilating your attic for fear you re letting cold air into the house.