1 Hour Rated Wall At Roof

Wood framed including dimensional lumber engineered joist and truss.

1 hour rated wall at roof. 1 hour rated exterior fire wall zero lot line applications description. Stagger joints between layers and on base layer of both sides. According to the engineered wood association a one hour rating indicates that a wall constructed in a manner similar to the one tested will contain flames and high temperatures and support its full load for at least one hour after the fire begins. Fire resistance shall run from foundation to underneath the roof sheathing.

12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. D horizontal membrane 52 shaft wall used in a horizontal plane. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. Two layers 5 8 15 9 mm densglass fireguard sheathing applied vertically or horizontally to 2 x 4 wood studs 16 406 mm o c.

Face layer attached with 2 3 8 60 mm galvanized roofing nails 8 203 mm o c. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. Base layer attached with 1 7 8 48 mm galvanized roofing nails 16 406 mm o c. Fire resistance ratings are expressed in the number of minutes or hours a structure can withstand a fire simulation test.

3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. 45 minute rating 45 min floor or roof with insulation 24 oc min 15 depth flat min 19 1 2 depth 3 12 min pitched fr quik channel setstm 1 layer 5 8 type c gypsum sheathing min 15 32 category floor or roof suspended ceiling system illustration fr system 4 tm ner 392 1991 construction 1 hour rating floor or roof 24 oc min 12 depth 2. Urb concealed grid system and tile. 2009 irc requires walls built within 5 of a property line or within 5 of another building on the same property to have a 1 hour fire resistance rating with fire exposure from the exterior of the building note.

These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Concrete with cellular steel 3 hr.