Fire Rated Drywall

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.

Drywall typically comes in 1 4 inch 3 8 inch and 1 2 inch thicknesses. These listings are short summaries to serve as a. Fire resistant drywall is thicker and denser than standard drywall. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies.

Get free shipping on qualified fire resistant drywall or buy online pick up in store today in the building materials department. In addition to the usual gypsum found in regular drywall fire rated drywall contains glass fibers to form a super tough core. 6 usg fire resistant assemblies test certification 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. Has a minimum fire rating for the assembly of 1 hour which is a typical requirement for many building codes.

Get free shipping on qualified fire resistant drywall sheets or buy online pick up in store today in the building materials department. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. Fire resistance ratings are expressed in the number of minutes or hours a structure can withstand a fire simulation test. Drywall thickness drywall thickness ranges from 1 4 inch to 5 8 inch with each serving a different purpose.

Steve miller sylvan lake mi. And it s not just thickness. According to the engineered wood association a one hour rating indicates that a wall constructed in a manner similar to the one tested will contain flames and high temperatures and support its full load for at least one hour after the fire begins. 1 4 inch drywall for example isn t strong enough to provide support alone but can be installed over a surface that s already in place as in patching drywall.

The 5 8 inch fire code drywall called type x increases a wall s fire rating to a minimum of 1 hour from the 30 minute rating for standard inch drywall. Or 3 5 8 inch 610 mm steel studs spaced 24 o c. Type c fire rated drywall has more glass fiber reinforcement and other ingredients in the gypsum core that makes its fire resistive properties superior to type x. Finally the gypsum and fiberglass are packed tighter and denser than with regular drywall.

I d certainly pay a premium over standard drywall to have a more fire resistant structure. A 60 minute fire rating is a measure of the amount.