Fire Rated Drywall Fire Rating Chart

Type x fire rated gypsum drywall that is 5 8 inch 15 9mm thick and installed on each side of nominal 2 inch x 4 inch 38x89mm wood studs spaced 16 inch 400mm o c.

Fire rated drywall fire rating chart.

Drywall fire rating chart canada trinity gypsum board systems manual fire rated access panel door for drywall hambro fire ratings swirnow structureswallboard selection ering360fire resistant design and detailing firewalls barriers parionshow strong is drywall thisfire rated gypsum board and ceiling drywall for decoration hd png transpa image pngitemfire rated type x gypsum board toughrock. 5 8 pc plus 1 2 gypsum bd. In addition to the usual gypsum found in regular drywall fire rated drywall contains glass fibers to form a super tough core. National gypsum company fire and sound selector fire sound selector fire ul ga item no.

You can use only the specific type size and minimum. Same can probably be said for occupants of multi family homes with separation walls and unless you are replacing the drywall in an attached garage there. Type c fire rated drywall sometimes referred to as improved. Astm e119 standard test methods for fire tests of building construction and materials is the test standard for determining the fire resistance.

A durock panel with a thickness of 1 2 or 5 8 inch can provide two hours of fire protection when installed correctly and in conjunction with all fireproofing. Elements of buildings the fire resistance rating classifies the ability of an assembly to confine and isolate fire within a zone comprised of fire resistance rated walls ceiling and floor assemblies. Fire resistance assembly chart fire resistance deck construction type ul design number concrete thickness panel or tile. Finally the gypsum and fiberglass are packed tighter and denser than with regular drywall.

No in residential construction fire rated assemblies are only specified for garages and most homeowners with attached garages are probably not aware of the fire rating for that wall. Drywall typically comes in 1 4 inch 3 8 inch and 1 2 inch thicknesses. System product alone constitutes a fire rated assembly. Has a minimum fire rating for the assembly of 1 hour which is a typical requirement for many building codes.

Gypsum board partitions wood framing load bearing 1 not rated n a 36 ngc 2012051 2 not rated n a 39 ngc 2009047 3 not rated n a 43 ngc 2009040 4 not rated n a 42 ngc 2012065 5 not rated n a 49 ngc 2009027. Rating design description stc test no. The exact fire rating of durock is dependent on the other materials used during construction but a panel 1 4 or 1 2 inch thick typically provides an additional hour of fire protection. Fire and sound ratings fire ratings fire resistance is the ability of an assembly constructed in a laboratory to contain a fire in a carefully controlled test setting for a specified period of time.

Or 3 5 8 inch 610 mm steel studs spaced 24 o c.