2 Hour Fire Rated Wall

The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels.

2 hour fire rated wall.

For a 2 hour fire rated assembly without the need for battens maintain a minimum 3 4 in. There are many ways to meet the requirements for 2 hour fire rated separation walls including foundation to roof masonry walls separating the units. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project.

When you cannot maintain a minimum 3 4 in. An increasingly common and popular method is the gypsum area separation wall which consists of individual stud framed walls filled with fiberglass insulation for each housing unit which are separated by a special construction that consists of. Line or at the parapet and at the ends of walls. If a conventional 1 2 inch thick sheet of drywall will stand up to 30 minutes of fire then the added 1 8 inch found in the type x drywall along with its other properties will double your margin of safety to 60 minutes.

Mount a 1 1 2 inch fiberglass barrier inside the studs. For this reason a fire rated drywall is sometimes called one hour fire wallboard. Elements of buildings the fire resistance rating classifies the ability of an assembly to confine and isolate fire within a zone comprised of fire resistance rated walls ceiling and floor assemblies. Use steel studs and two layers of 1 2 inch type c drywall on each side of the studs for a two hour fire rating on an interior wall.