Fire Rated Roof Assembly

Lp flameblock fire rated osb sheathing is a component of the following code compliant fire rated assemblies.

Fire rated roof assembly.

Our cad and revit library of design drawings of wall intersections joints and other construction details. All new fire rated roof ceiling assembly files. Do you have any information regarding the suitability of the fire rated ceiling assemblies for sloped roof trusses. The code requirements for fire resistance of metal panels are logical and not overly burdensome.

2 hour exterior wall assembly ul design no. 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. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. Concrete with cellular steel 3 hr.

These assemblies need to meet fire and smoke safety and environmental sustainability requirements. Assembly rated class a roof coverings are those that meet class a standards when combined with other elements. Shaft wall limiting heights spans. Urb concealed grid system and tile.

A question has come up concerning sloped roof trusses and fire assembly ratings. Fire rated wall floor and ceiling assemblies provide the necessary fire and smoke barriers to create compartmentalization during a fire safeguarding against the spread of fire and smoke within a building or to and from a building. 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.

Helpful documents and resources for usg s roof assemblies can be found on this page. Most metal panel manufacturers have tested their roof assemblies and most if not all metal panels and shingles can be used in class a fire rated roof systems. Find usg product specific cad and revit files. Some are reluctant to rely on test results from flat parallel chord trusses applied to sloped roof trusses.

276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. 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.