Drywall joints shall be taped or sealed.
Garage attic firewall.
This also applies to structural members and this extends to the attic in a common sense type of way.
If the garage has no ceiling the firewall between the house and garage must extend from the floor all the way up to the underside of the roof deck.
We want to use the attic of the house we re buying for additional storage space and were planning to install a folding ladder in the garage.
Walls and ceiling the wall between an attached garage and the house living area is required to be minimum 1 2 drywall.
If the ceiling material is fire rated the firewall can terminate at the ceiling.
Typical garage attic access at least in the majority of chicago land homes including new construction is a square drywall section usually set on four pieces of trim.
It can consist of 1 2 inch gypsum drywall.
In one story houses this is necessary when the attic space over the house and garage are open and there is no firewall between the space over the garage and over the house.
Most garages have a ceiling secured to the bottom chord of the roof trusses or rafters and that has to be 1 2 drywall also.
The wall between a house and garage must be separated by 1 2 drywall.
The living space should be separated from the garage by a firewall that extends from the floor to the roof.
The garage needs to be separated from the house.
In such case the attached garage firewall house separation wall should extend all the way to the roof decking or garage section should have a 5 8 drywall ceiling installed.
Protect garage firewall if installing ladder.