Rated Roof Assembly

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Rated roof assembly.

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. 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. Shaft wall limiting heights spans. 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.

Fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. 2 hour exterior wall assembly ul design no. The class a brand weighs 2 000 grams class b 500 grams and class c 9 1 4 grams. Find usg product specific cad and revit files.

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. 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. Helpful documents and resources for usg s roof assemblies can be found on this page.

All new fire rated roof ceiling assembly files. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. Concrete with cellular steel 3 hr. 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.

The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. Both are burn through tests and the ultimate roof systems rating is the lowest of the three tests. Lp flameblock fire rated osb sheathing is a component of the following code compliant fire rated assemblies. Not all ul rated assemblies that use firestone roofing products are eligible for the firestone red shield red shield medallion or platinum warranty.

Our cad and revit library of design drawings of wall intersections joints and other construction details. Urb concealed grid system and tile. The firestone standards guidelines and specifications regarding roofing system components and attachment for the warranty desired must be followed.