V337 2 hour interior wall assembly ul design no.
2 hr fire rated wall assembly.
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.
These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire 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.
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.
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.
Chapter 7 of the international building code ibc refs.
Use special fiberglass rated for use in firewalls.
Usg provides resources here for our ul wall assemblies for seamless integration into any construction project.
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.
American softwood lumber standard ps 20.
Line or at the parapet and at the ends of walls.
Head of wall firestop system gypsum board fire trak shadowline.
Sw 106 1 hour shaftwall with deflection track.
2 hour exterior wall assembly ul design no.
2 3 governs materials and assemblies used for structural fire resistance and fire rated separation of.
When you cannot maintain a minimum 3 4 in.
Lp flameblock fire rated osb sheathing is a component of the following code compliant fire rated assemblies.
Descriptions of successfully tested i joist floor as.
There are many ways to meet the requirements for 2 hour fire rated separation walls including foundation to roof masonry walls separating the units.
19 1 mm air space cover the h studs and c tracks by gypsum board battens.
For a 2 hour fire rated assembly without the need for battens maintain a minimum 3 4 in.
19 1 mm air space between the h stud assembly and any adjacent framing members.
The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels.
Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies.