1 2 Drywall Fire Rating

In addition to the usual gypsum found in regular drywall fire rated drywall contains glass fibers to form a super tough core.

1 2 drywall fire rating.

Finally the gypsum and fiberglass are packed tighter and denser than with regular 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. What is the difference between one hour fire rated drywall and three hour fire rated drywall and where would each one be used. Get free shipping on qualified 1 2 in.

Or 3 5 8 inch 610 mm steel studs spaced 24 o c. Is there another way to increase the fire rating by either a product i paint on or spray on. Drywall typically comes in 1 4 inch 3 8 inch and 1 2 inch thicknesses. The house was built in 1975.

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. 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. Get free shipping on qualified fire resistant drywall sheets or buy online pick up in store today in the building materials department.

View top sellers in. I currently have 1 2 drywall on my wall sepating the garage which is now an accesory apartment. 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.

And it s not just thickness that makes the difference. Code says it must be 5 8. Fire resistant drywall sheets or buy online pick up in store today in the building materials department. Available in 1 2 in.

A 60 minute fire rating is a measure of the amount. 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. Type x drywall is 5 8 inches thick. 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.