2 Hour Exterior Wall

Build a two-hour exterior wall with steel studs rather than wood and special metal stud fiberglass insulation between the studs.

2 hour exterior wall. Descriptions of successfully tested I-joist floor as-. Use where wall is required to be rated from the exterior and interior sides. Long spaced 6 in.

Some typical locations you will see a 2-hour fire rated wall requirements include mechanical shafts elevator cores stair ways and exterior load bearing walls. FRTW is not required for those components because they are not part of the exterior wall assembly and are above the. UL Design U411 - 2 Hour Wall Assembly - Installation Instructions.

Exterior walls are required to be rated for both interior and exterior fire exposure where the wall has a fire separation distance of 10 feet or less. Horizontal joints over nom. The interior liner is one layer of 58-inch type X gypsum.

Less than 1 hour. 2 for two-hour fire-resistance-rated wall assemblies. OEG BUILDING MATERIALS OEG Stud.

Dwelling unit and sleeping unit separations in buildings of Type IIB IIIB and VB construction shall have fireresistance ratings of not less than 1 2hour in buildings equipped. Exterior Wall Fire Detail Physical Data Description Test No. OC at perimeter of panels and 12 in.

1 Hour Partition at 1 Hour Exterior Wall 1 Hour Partition at Non-Rated Exterior Wall 54 55 Gypsum board Fire Trak Shadowline Elastomeric Spray Firestop Elastomeric Spray Firestop W414 W419 Gypsum board Fire Trak Shadowline V451 W419 SW 606 SW 701 Shaftwall Framing at Duct Penetration SW 702 2 Hour Shaftwall with Duct Penetration. Lumber shall be identified by the grade mark of a lumber. The intersecting floorceiling assembly is constructed with untreated lumber as is the floor sheathing and the blocking between the trusses.