1 2 Drywall Fire Rating

What is the difference between one hour fire rated drywall and three hour fire rated drywall and where would each one be used.

1 2 drywall fire rating. Or 3 5 8 inch 610 mm steel studs spaced 24 o c. I currently have 1 2 drywall on my wall sepating the garage which is now an accesory apartment. Drywall typically comes in 1 4 inch 3 8 inch and 1 2 inch thicknesses. 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.

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. 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. 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. It weighs up to 30 less than traditional 1 2 in.

1 2 drywall 4x8 drywall sheetrock drywall sheet drywall drywall sheets 2x4 stack 1 2 x2 x2 drywall. A 60 minute fire rating is a measure of the amount. Type x drywall is 5 8 inches thick. Drywall for easier lifting carrying and installation.

Is there another way to increase the fire rating by either a product i paint on or spray on. In addition to the usual gypsum found in regular drywall fire rated drywall contains glass fibers to form a super tough core. Available in 1 2 in. Get free shipping on qualified fire resistant drywall sheets or buy online pick up in store today in the building materials department.

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. Has a minimum fire rating for the assembly of 1 hour which is a typical requirement for many building codes. It is not possible to take everthing down to add more drywall. The house was built in 1975.

Customer service sales 1 800 950 3839 technical support 1 800 usg 4you product safety hotline 1 800 507 8899. Finally the gypsum and fiberglass are packed tighter and denser than with regular drywall. Offering lightweight construction the sheetrock ultralight 1 2 in. And it s not just thickness that makes the difference.

15 9 mm thicknesses sheetrock brand firecode c panels ul type c feature a noncombustible gypsum core that is encased in 100 recycled face and back papers that form a high strength composite design. 12 7 mm and 5 8 in.