Or 3 5 8 inch 610 mm steel studs spaced 24 o c.
Fire resistant gypsum board.
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.
Has a minimum fire rating for the assembly of 1 hour which is a typical requirement for many building codes.
Get free shipping on qualified fire resistant cement boards or buy online pick up in store today in the building materials department.
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.
Fire resistant gypsum board can be used in any assembly where the corresponding ul classified 1 2 type c or 5 8 type x drywall is approved.
The passive fire resistance provided by fire resistant rated gypsum based assemblies for walls ceilings floors and other building systems slows or prevents the spread of fire allows time for evacuation and limits fire damage.
Drywall typically comes in 1 4 inch 3 8 inch and 1 2 inch thicknesses.
Type x drywall is 5 8 inches thick.