The nails will show where the joists lie in the attic.
Opening to roof from attic.
Obviously more research is needed but here s what we do know.
The rough framed opening.
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.
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.
Do not cut through a double beam in the attic since these are support beams for the entire house.
Use long nails to nail an outline next to joists where ceiling material will need to be cut away.
Your actual living space is sealed.
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.
Don t avoid ventilating your attic for fear you re letting cold air into the house.
If there are asphalt shingles on your roof the attic must be ventilated to comply with the terms of the.