2 Hr Fire Rated Wall Assembly

19 1 mm air space between the h stud assembly and any adjacent framing members.

2 hr fire rated wall assembly.

The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. Chapter 7 of the international building code ibc refs. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Fire safety caution passing a fire test in a controlled laboratory setting and or certifying or labeling a product as having a one hour two hour or any other fire resistance or protection rating and therefore as acceptable for use in certain fire rated assemblies systems does not mean that either a particular assembly system.

Mount a 1 1 2 inch fiberglass barrier inside the studs. American softwood lumber standard ps 20. 19 1 mm air space cover the h studs and c tracks by gypsum board battens. Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall 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. Lumber shall be identified by the grade mark of a lumber grading or inspection agency that has been approved by an accreditation body that complies with the. 2 hour exterior wall assembly ul design no. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project.

Sw 106 1 hour shaftwall with deflection track. Descriptions of successfully tested i joist floor as. 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.

V337 2 hour interior wall assembly ul design no. 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. Lp flameblock fire rated osb sheathing is a component of the following code compliant fire rated assemblies.

Concrete masonry is widely specified for fire walls and fire barriers because concrete masonry is noncombustible provides durable fire resistance and is economical to construct. 2 3 governs materials and assemblies used for structural fire resistance and fire rated separation of. Ul design u499 w419. There are many ways to meet the requirements for 2 hour fire rated separation walls including foundation to roof masonry walls separating the units.