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.

Fire rated drywall thickness. Thickness and composition. Finally the gypsum and fiberglass are packed tighter and denser than with regular. Truck tool rental. Drywall product thickness in 1 2 in.

Fire resistant 7 moisture resistant 4 mold resistant 1 no additional features. 51 mm thickness can be used. Common walls between residential living spaces and attached garages for example require a fire resistant. 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.

Get free shipping on qualified fire resistant drywall sheets or buy online pick up in store today in the building materials department. 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. And it s not just thickness that makes the difference. Has a minimum fire rating for the assembly of 1 hour which is a typical requirement for many building codes.

What is the difference between one hour fire rated drywall and three hour fire rated drywall and where would each one be used. For the pro. 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. Or 3 5 8 inch 610 mm steel studs spaced 24 o c.

The thickest of all the types of drywall 5 8 inch drywall is often fire resistant drywall. 203 mm limestone aggregate concrete masonry wall with a maximum control joint width of in. Drywall typically comes in 1 4 inch 3 8 inch and 1 2 inch thicknesses. Type c fire rated drywall sometimes referred to as improved.

A 60 minute fire rating is a measure of the amount. 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. It is 13 pounds lighter than other varieties for the same size and thickness. Type x drywall is 5 8 inches thick.

13 mm a 1 in. For example for an 8 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. 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.

Type x gypsum board is wallboard to which non combustible fibers have been added. This thicker drywall is often called fire resistant drywall. It makes a great choice for ceiling applications because it helps to prevent sagging over time.