2 Hour Fire Rated Drywall
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2 hour fire rated drywall. Most type x drywall has a one hour fire rating. As added benefits type x absorbs sound slightly better and is slightly stronger than conventional 3 8 inch or 1 2 inch drywall. To studs and track and 1 1 2 38 mm type g drywall screws 24 610 mm. 1 2 12 7 mm toughrock fireguard c gypsum board or 1 2 12 7 mm densarmor plus fireguard c gypsum panel installed horizontally on each side with joints staggered 24 610 mm o c.
Type x is by no means 100 percent fireproof. Why fireproof drywall is fire rated. Install 2 1 2 64 mm type s drywall screws 12 305 mm o c. Use thicker drywall for a two hour rating if double sheeting is not an option with fire resistant insulation between the wall studs.
Or 3 5 8 inch 610 mm steel studs spaced 24 o c. Type c fire rated drywall sometimes referred to as improved. These listings are short summaries to serve as a. 6 usg fire resistant assemblies test certiļ¬cation test conditions and fire and sound tested assemblies listed in this selector are based on characteristics properties and performance certificationof materials and systems obtained under controlled test conditions as set forth in the appropriate astm standard in effect at the time of test.
Cover wood framed walls with a single layer of 3 4 inch type x drywall rated for 120 minutes of fire resistance. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. Simply it is drywall that will stand up against flame longer than regular drywall.