1 Hour Fire Rated Wall Assembly With Plywood

Framing nominal 2x4 wood studs spaced 16 in.

1 hour fire rated wall assembly with plywood. What you ll eventually learn is that the easiest place to design your own 1 hour assembly is section 721 6 of the international building code. O c double top plates single bottom plate. Lantz boggio architects used lp flameblock fire rated osb sheathing as a code compliant component of both 1 hour and 2 hour ul listed fire rated wall assemblies. Section 703 3 of the ibc allows.

The section details the procedures for calculating fire resistance of walls. Architects and contractors can spend a lot of time hunting for miscellaneous fire rated assemblies in wood construction. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. Fire rated wood frame wall and floor ceiling assemblies 5 ws4 1 1 one hour fire resistive wood frame wall assembly 2x4 wood stud wall 100 design load astm e 119 nfpa 251.

Lp wall assembly for this application has been allowed by building code officials common applications. Objectives framing on the legacy village at castle pines began in march 2017 and the project is scheduled for completion in january 2018. Fire rated assemblies are tested and certified in their entirety. It combines flame spread and burn through resistance to give your customers.

These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Figure 1 is a modified version of ul design u301. Lp flameblock is an icc es evaluated component of 1 and 2 hour fire rated wall assemblies and roof deck applications. Two layers of 5 8 inch fire rated gypsum on the interior with steel framing or frt wood framing frt plywood exterior sheathing and 5 8 inch exterior fire rated gypsum such as gp densglass see u371.

Type x gypsum board is wallboard to which non combustible fibers have been added. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. To confine and isolate fire within a zone comprised of fire resistance rated walls ceiling and floor assemblies. Ratings for these two hour assemblies are from both sides.

2 1 3 4 2. Go to work with a building solution that meets building code requirements for fire resistent construction while increasing structural ratings.