1 Hour Roof Overhang Assembly

These listings are short summaries to serve as a.

1 hour roof overhang assembly.

No minimum joist size is given except that it needs to be adequate for structural loads. Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses. 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. 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. Ibc section 722 6 could be used to calculate up to a 1 hour rating for a wood frame wall floor or roof assembly. As a result users of the international residential code are looking to the international building code for compliance with the requirement. 1 2 12 7 mm toughrock fireguard c or 1 2 12 7 mm densarmor plus fireguard c gypsum panel applied perpendicular to resilient channels 24 610 mm o c.

With 1 25 mm type s drywall screws 12 305 mm o c. Fire resistance assembly listed for roof eaves. 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. Feb 23 2014 2.

With 1 2 wood structural panels with. Ibc table 722 6 2 2 allows 10 minutes for wood floor or roof joists at 16 o c. Our site is temporarily disabled. Just a couple 1 2 sheets of gypsum.

Please come back again later. 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. Does that mean we don t need an assembly. Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c.

Table 302 1 states that for projections between 2 and 5 we only need a 1 hour rating on the underside. 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. Joined oct 25 2009 messages 10 782 location so. Soffits a soffit encloses the underside of sloped or flat roof overhangs.

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. I am having trouble finding an assembly from ul or elsewhere. The irc in table r302 1 1 only permits the 1 hr fire resistance construction on the underside. Overhangs can be open in which the trusses rafters and decking are exposed see figure 1 or enclosed by a soffit.