These tested assemblies are available for specification by Architects or Building Designers, and for use by all Truss Manufacturers where a rated assembly is required, and can generally be applied to both floor and roof assembly applications. Unless otherwise noted, all IBC references are from the 2012 version.

The required thickness and construction of fire-resistance-rated assemblies enclosing trusses shall be based on the results of full-scale tests or combinations of tests on truss components or on approved calculations based on such tests that satisfactorily demonstrate that the assembly has the required fire resistance.

• The IBC allows five methods for determining fire resistance (Section 703.3): 1. Fire-resistance designs documented in sources. 2. Prescriptive designs of fire-resistance-rated building elements, components or assemblies as prescribed in Section 721. 3. …

If a fire rated assembly, rather than draftstopping, is required within concealed attic spaces, the following details show approved one-hour and two-hour rated assemblies that may be used in the roof cavity and that may be constructed with gable end frames or trusses. Figure 17.3.3 UL - U338 1 hour rated wall - bearing or non-bearing - with

2021年5月14日 · Since 2001, the National Design Specification® for Wood Construction (NDS®) has contained provisions in Chapter 16 for design of fire exposed wood members to meet code-required structural fire-resistance ratings based on a standardized ASTM E119 time …

The rated walls in this guide were designed to retard fire from penetrating walls and advancing into an adjacent floor system or a floor/ceiling space above. These wall designs address fire-blocking requirements for concealed spaces in

Continued testing of new designs is providing more flexibility in designing fire resistance rated construction with wood trusses. As always, it is important that the building designer know the requirements for fire rated construction and the details of the fire rated assemblies before specifying the trusses.

Fire-rated assemblies: Stark Truss SI Series I-joists have been shown through testing and engineering analysis to achieve the fire resistance ratings described in this report.

2017年10月2日 · Fire resistance ratings of materials and assemblies are not always readily available from prescriptive tables and tests. Theoretical methods offer an alternative to full scale fire tests. Current versions of the International Building Code also offer guidance regarding fire-resistance ratings.

Dricon® FS FRTW has receive-d 1- and 2-hour fire resistance ratings for load-bearing exterior wall assembly. The materials of construction for the assemblies include 1 or 2 layers 5/8 Type C or Type X gypsum, fiberglass insulation, Dricon® FS FRTW studs (2×4), 15/32 inch Dricon® FS FRTW plywood and your choice of exterior finishes.