Rated Roof Assembly

All new fire rated roof ceiling assembly files.

Rated roof assembly. The stc rating shown reflects testing or evaluation of an assembly with one or more products under test conditions and may not apply to all products listed for each assembly. V337 2 hour interior wall assembly ul design no. The brands consist of an ignited wood lattice placed directly on top of the test specimen. Refer to our roof ceiling assembly documents which includes ul fire rated roof assemblies for easy guidance through the assembly of a roof or ceiling on your next project.

The class a brand weighs 2 000 grams class b 500 grams and class c 9 1 4 grams. Urb concealed grid system and tile. As applied to 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. Assembly rated class a roof coverings are those that meet class a standards when combined with other elements.

Shaft wall limiting heights spans. Concrete with cellular steel 3 hr. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. The firestone standards guidelines and specifications regarding roofing system components and attachment for the warranty desired must be followed.

Both are burn through tests and the ultimate roof systems rating is the lowest of the three tests. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. Ultimately the design and detailing of the project assembly or system is the responsibility of a professional and all projects must comply with applicable building codes and standards. Find usg product specific cad and revit files.

Fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. 2 hour exterior wall assembly ul design no. Have a question about assemblies. For example shake roofing with a fire retardant treatment rates class b on its own but achieves a class a rating when combined with specified underlying materials such as type 72 roll roofing material.

Lp flameblock fire rated osb sheathing is a component of the following code compliant fire rated assemblies. Helpful documents and resources for usg s roof assemblies can be found on this page. Our cad and revit library of design drawings of wall intersections joints and other construction details.