Fire Rated Drywall Thickness

Type x has a denser core and contains glass fibers that keep it from crumbling in the heat.

Fire rated drywall thickness.

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. 203 mm limestone aggregate concrete masonry wall with a maximum control joint width of in. 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. 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.

51 mm thickness can be used. Truck tool rental. A 60 minute fire rating is a measure of the amount. What is the difference between one hour fire rated drywall and three hour fire rated drywall and where would each one be used.

Type x drywall is 5 8 inches thick. In addition to the usual gypsum found in regular drywall fire rated drywall contains glass fibers to form a super tough core. Has a minimum fire rating for the assembly of 1 hour which is a typical requirement for many building codes. Type x gypsum board is wallboard to which non combustible fibers have been added.

It makes a great choice for ceiling applications because it helps to prevent sagging over time. Or 3 5 8 inch 610 mm steel studs spaced 24 o c. Thickness and composition. 13 mm a 1 in.

Finally the gypsum and fiberglass are packed tighter and denser than with regular. 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. For example for an 8 in.

This thicker drywall is often called fire resistant drywall. It is 13 pounds lighter than other varieties for the same size and thickness. For the pro. Get free shipping on qualified fire resistant drywall sheets or buy online pick up in store today in the building materials department.

Type c fire rated drywall sometimes referred to as improved. 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. The thickest of all the types of drywall 5 8 inch drywall is often fire resistant drywall. 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.

Common walls between residential living spaces and attached garages for example require a fire resistant. 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. And it s not just thickness that makes the difference.