Fire Rated Drywall Thickness

It makes a great choice for ceiling applications because it helps to prevent sagging over time.

Fire rated drywall thickness.

13 mm a 1 in. And it s not just thickness that makes the difference. For the pro. Drywall product thickness in 1 2 in.

According to the book commercial drafting and detailing a typical one hour fire rated wall consists of 2x4 studs spaced 16 inches from the center of one stud to the center of the next covered by 5 8 inch type x gypsum board. The thickest of all the types of drywall 5 8 inch drywall is often fire resistant drywall. For example for an 8 in. 203 mm limestone aggregate concrete masonry wall with a maximum control joint width of in.

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. 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. 25 mm thickness measured perpendicular to the face of the wall of ceramic fiber in the joint can be used in walls with fire resistance ratings up to 3 hours while a 2 in. It is 13 pounds lighter than other varieties for the same size and thickness.

Drywall typically comes in 1 4 inch 3 8 inch and 1 2 inch thicknesses. Fire resistant 7 moisture resistant 4 mold resistant 1 no additional features. Thickness and composition. Get free shipping on qualified fire resistant drywall sheets 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. Finally the gypsum and fiberglass are packed tighter and denser than with regular. Type x has a denser core and contains glass fibers that keep it from crumbling in the heat. Type c fire rated drywall sometimes referred to as improved.

Durock is manufactured in sheets with a thickness of anywhere from 1 4 to 5 8 inch a width of 32 36 or 38 inches and a length between 4 and 10 feet. Or 3 5 8 inch 610 mm steel studs spaced 24 o c. 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. Thicker drywall may be required by code for any wall or ceiling covered with a texture or skim coat where studs or joists are spaced 24 inches on center rather than 16 inches.

51 mm thickness can be used. 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. Truck tool rental. Has a minimum fire rating for the assembly of 1 hour which is a typical requirement for many building codes.

A 60 minute fire rating is a measure of the amount. Type x drywall is 5 8 inches thick. Type x gypsum board is wallboard to which non combustible fibers have been added.