1 Hour Roof Overhang Assembly

Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses.

1 hour roof overhang assembly.

I am having trouble finding an assembly from ul or elsewhere. On the east side of the house gable side i am within 3 feet of the property line and thus need a 1hr fire rated assembly for the fascia and soffit. As a result users of the international residential code are looking to the international building code for compliance with the requirement. Fire resistance assembly listed for roof eaves.

Please come back again later. Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c. Joined oct 25 2009 messages 10 782 location so. 6 usg fire resistant assemblies test certification test conditions and fire and sound tested assemblies listed in this selector are based on characteristics properties and performance certificationof materials and systems obtained under controlled test conditions as set forth in the appropriate astm standard in effect at the time of test.

The roof is framed with 2 i 6 joists with a 1 foot protrusion on the side in question. The irc in table r302 1 1 only permits the 1 hr fire resistance construction on the underside. These listings are short summaries to serve as a. Does that mean we don t need an assembly.

Ibc table 722 6 2 2 allows 10 minutes for wood floor or roof joists at 16 o c. Gypsum panel end joints located midway between continuous channels and attached to additional pieces of channels 54 1372 mm long with screws 12 305 mm o c. Table 302 1 states that for projections between 2 and 5 we only need a 1 hour rating on the underside. Our site is temporarily disabled.

An overhang protects the upper portion of the wall that it is attached to from rainfall and it also shades the windows under it from the sun. There is no 1 hr. I am constructing an icf house with a sip roof which will overhang the walls. Just a couple 1 2 sheets of gypsum.

With 1 2 wood structural panels with. No minimum joist size is given except that it needs to be adequate for structural loads. Overhangs can be open in which the trusses rafters and decking are exposed see figure 1 or enclosed by a soffit. I am building a cottage with a wall right on my property line and the city wants the eaves to be 1 hour fire resistant.

Please help if you know. The roof deck over the eves is 5 8 t g ridwoodi can anyone suggest what i can do at this point to meet this code requirement. With 1 25 mm type s drywall screws 12 305 mm o c. Soffits a soffit encloses the underside of sloped or flat roof overhangs.