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.
Opening to roof from attic.
The rough framed opening.
If there are asphalt shingles on your roof the attic must be ventilated to comply with the terms of the.
Obviously more research is needed but here s what we do know.
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.
Your actual living space is sealed.
Use long nails to nail an outline next to joists where ceiling material will need to be cut away.
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.
Cut one rafter with a handsaw to allow space for you to crawl up into the attic.
Don t avoid ventilating your attic for fear you re letting cold air into the house.
The nails will show where the joists lie in the attic.