2 Hour Fire Rated Wall

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.

2 hour fire rated wall.

There are many ways to meet the requirements for 2 hour fire rated separation walls including foundation to roof masonry walls separating the units. For a 2 hour fire rated assembly without the need for battens maintain a minimum 3 4 in. 19 1 mm air space cover the h studs and c tracks by gypsum board battens. When you cannot maintain a minimum 3 4 in.

Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. Mount a 1 1 2 inch fiberglass barrier inside the studs. 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. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels.

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. 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. Line or at the parapet and at the ends of walls. 19 1 mm air space between the h stud assembly and any adjacent framing members.