Fire Rated Material For Garage Ceiling

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.

Fire rated material for garage ceiling.

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. 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. A ul fire resistant rated ceiling also provides a known specified fire resistance period. Dryer exhaust ducts that penetrate garage walls are serious fire hazards.

Inch gypsum board for use in garage wall and ceiling separations. Get free shipping on qualified fire resistant or buy online pick up in store today in the building materials department. Attached garages must have a firewall separating the. Usg makes a variety of gypsum fire rated products and has recommended assemblies if you want to increase fire rating of the ceiling.

An underwriters laboratories ul fire resistant rated ceiling system provides separation between the elements of the building services i e. 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. First fire rated systems are only required if the garage shares a wall or a ceiling with the home. I would imagine there are other commecial industrial products as well but they might be expensive.

Ductwork and piping and the occupied space below. 26 gauge 0 48 mm steel sheet or other approved material and shall have no openings in the garage. If i am replacing or repairing drywall in the garage do i need to use fire rated materials. Ducts in the garage and ducts penetrating the walls or ceilings separating the dwelling from the garage shall be constructed of a minimum no.