2 Hour Fire Rated Wall Assembly

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.

2 hour fire rated wall assembly.

Descriptions of successfully tested i joist floor as. Accepts no responsibility for proper application of the rated wall assembly above or responsibility for the construction of such assemblies. 2 hour exterior wall assembly ul design no. 2 hour fire rating.

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. The fire rating of the wall assembly is the lower of the two. 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. For a 2 hour fire rated assembly without the need for battens maintain a minimum 3 4 in.

The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. Typically for an exterior wall with a fire separation distance greater than 5 ft 1 524 mm fire needs be considered on the interior side only. Concrete masonry unit. Mount a 1 1 2 inch fiberglass barrier inside the studs.

Line or at the parapet and at the ends of walls. 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. 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. When you cannot maintain a minimum 3 4 in.

V337 2 hour interior wall assembly ul design no. Lp flameblock fire rated osb sheathing is a component of the following code compliant fire rated assemblies. Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project.

19 1 mm air space cover the h studs and c tracks by gypsum board battens. Use special fiberglass rated for use in firewalls. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies.