1 Hour Roof Overhang Assembly

Base layer attached with 1 25 mm type s 12 corrosion resistant bugle head screws 8 203 mm o c.

1 hour roof overhang assembly. Is this possible without using channels and what ul number would i use. Ibc section 722 6 could be used to calculate up to a 1 hour rating for a wood frame wall floor or roof assembly. Overhangs can be open in which the trusses rafters and decking are exposed see figure 1 or enclosed by a soffit. Face layer attached with 1 5 8 41 mm type s 12 corrosion resistant bugle head screws spaced 8.

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. No minimum joist size is given except that it needs to be adequate for structural loads. Fire resistance assembly listed for roof eaves. As a result users of the international residential code are looking to the international building code for compliance with the requirement.

Helpful documents and resources for usg s roof assemblies can be found on this page. I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control. One hour roof ceiling assembly. I am looking for a 1 hour roof ceiling assembly for wood truss construction.

Additional layers of gypsum board are permitted to be added to any assembly. Of insulation to any one or two hour fire resistance rated floor ceiling or roof ceiling assembly is permitted provided that one additional layer of gypsum board of the same type specified in the design is added to the ceiling. 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. 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.

Soffits a soffit encloses the underside of sloped or flat roof overhangs. These listings are short summaries to serve as a. There is no 1 hr. Two layers 5 8 15 9 mm densglass fireguard sheathing applied vertically to min.