Fire Rated Material For Garage Ceiling

When there is a living area habitable space above the garage including at a detached garage the ceiling requirement ramps up to 5 8 type x fire rated drywall.

Fire rated material for garage ceiling.

This is part of multiple requirements for dwelling garage separation for an attached garage in the international residential code irc and the residential edition of the. Attached garages must have a firewall separating the. The two materials are clearly not equivalent when it comes to flame spread ratings fsr where 1 2 inch gypsum board is rated at 10 and 7 16 inch osb is rated at 150. Walls rated for fire resistance can be built of poured in place concrete precast concrete wall panels concrete masonry units brick layers of gypsum drywall board supported by steel studs and.

Usg makes a variety of gypsum fire rated products and has recommended assemblies if you want to increase fire rating of the ceiling. Get free shipping on qualified fire resistant or buy online pick up in store today in the building materials department. An underwriters laboratories ul fire resistant rated ceiling system provides separation between the elements of the building services i e. If i am replacing or repairing drywall in the garage do i need to use fire rated materials.

If you are doing repairs in the garage you should replace with like materials but remember it is the wall system that is fire rated not the product itself. Inch gypsum board for use in garage wall and ceiling separations. Dryer exhaust ducts that penetrate garage walls are serious fire hazards. First fire rated systems are only required if the garage shares a wall or a ceiling with the home.

By glenda taylor in most communities building codes require the construction of a fire rated barrier between the garage and any living space. A ul fire resistant rated ceiling also provides a known specified fire resistance period. I would imagine there are other commecial industrial products as well but they might be expensive. Even if the builder installs the osb over the required gypsum board.