Fire Rated Roof Assembly

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.

Fire rated roof assembly. The code requirements for fire resistance of metal panels are logical and not overly burdensome. Helpful documents and resources for usg s roof assemblies can be found on this page. Some are reluctant to rely on test results from flat parallel chord trusses applied to sloped roof trusses. 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.

Building with fire safety in mind. Our cad and revit library of design drawings of wall intersections joints and other construction details. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.

The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. Lp flameblock fire rated osb sheathing is a component of the following code compliant fire rated assemblies. A question has come up concerning sloped roof trusses and fire assembly ratings.

Urb concealed grid system and tile. Find usg product specific cad and revit files. 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. Concrete with cellular steel 3 hr.

V337 2 hour interior wall assembly ul design no. These assemblies need to meet fire and smoke safety and environmental sustainability requirements. Do you have any information regarding the suitability of the fire rated ceiling assemblies for sloped roof trusses. Shaft wall limiting heights spans.

2 hour exterior wall assembly ul design no. All new fire rated roof ceiling assembly files.