Several options for 1- and 2-hour fire resistance-rated, wood-frame wall assemblies that could be useful for shafts are presented below. 1-Hour Single Wall UL U305 GA WP 3510 UL U311 IBC Table 721.1 (2), Item 14-1.3 UL U332 1-Hour Double Wall UL U341 2-Hour Single wall UL U301 UL U334 IBC Table 721.1 (2) Item Number 14-1.5

Meet exterior wall system requirements Exterior wall assemblies are designed to resist the impacts of fire, wind, rain, hail, extreme temperatures and sound, and be energy efficient, attractive and much more. We understand these challenges. We provide testing, inspection, and certification solutions for exterior wall assemblies.

6/23 · UL design G586 can span 8’-0” from wall to wall or indefinitely when used in conjunction with the hanger assembly. For 1-hour assemblies, National Gypsum developed UL design I504, which is a 1-hour horizontal assembly that consists of 3-5/8” steel studs 16” o.c. with three layers of 5/8” Type X gypsum board applied to the underside of the framing.

UL U415 System B Shaft Wall, Steel Stud (Non-Load-Bearing) Stc 37 Fire Rating 2 Hour System Thickness 3-3/4" PDF (276.2 KB PDF) REVIT (1.99 MB RVT) CAD (66.60 KB DWG) Assembly Details Gypsum Board 1" thick Thick Gypsum Liner Panel (UL Type SLX) Steel Studs 2-1/2" thick CH Studs, 20ga. MSG., Spaced 24" O.C. Gypsum Board

Design/System/Construction/Assembly Usage Disclaimer U499. April 26, 2010. Nonbearing Wall Rating — 1 Hr. 1. Channel Track — "J" -shaped 

Fire resistance assemblies and products are developed by the design submitter and have been Nonbearing Wall Ratings — 1, 2, 3 or 4 Hr.

Can horizontal shaftwall assemblies be used for a rated corridor ceiling? National Gypsum's UL Cavity Shaftwall Systems (1-4 hour) 

Fire-Rated Assemblies 3 USG Shaft Wall Systems 09 20 00/USG BuyLine 2425 1 Hour Fire-rated Construction Non-loadbearing Acoustical Performance Construction Detail Description Test Number STC Test Number wt. 8 † 5/8 SHEETROCK® brand FIRECODE® Core gypsum UL

Answer: Generally, there are two types of 1-hour wood truss assemblies: the first is one layer GWB with metal furring strips or resilient channel, and the second is two layers GWB board. An

Shaftwall systems are interior nonload-bearing fire rated wall assemblies that provide critical, life safety, fire-resistant protection for elevator shafts, stairwells, vertical chases and mechanical enclosures. Shaftwalls in elevators and stairwells are one of the most important wall assemblies in a building.

One-Hour Cavity Shaft Wall (Non-Load Bearing), See Figure 1 1. A minimum 2-1/2" wide 24 gauge floor and ceiling J-runners, attached to structure as described above. 4. 1" thick Sheetrock®Brand Gypsum Liner Panel- UL Type SLX, Friction