1 Hour Roof Rake Detail

A minimum 1 hour fire resistance rating to prevent embers and hot gases from making contact with the joists rafters or trusses or the underside of the roof decking.

1 hour roof rake detail.

Fire resistance assembly listed for roof eaves. Use flat horizontal soffits see figure 3 instead of attaching the soffits to the sloped joists which creates sloped soffits. The irc in table r302 1 1 only permits the 1 hr fire resistance construction on the underside. Type x gypsum board is wallboard to which non combustible fibers have been added.

Wood framed including dimensional lumber engineered joist and truss. There is no 1 hr. Roof detail pitched roof to high wall 01 030 0751. Terms are used to break down the various areas of a roof and a rake is one of many roof sections.

The rake is not exactly on the roof. D horizontal membrane 52 shaft wall used in a horizontal plane. As a result users of the international residential code are looking to the international building code for compliance with the requirement. C roof ceilings45 51 steel framed including steel bar joist framing steel c joist framing steel truss and steel roof deck.

Brick veneer cmu backup rigid insul. Roofing terminology may be difficult to understand unless you are a builder or roofer. According to the book commercial drafting and detailing a typical one hour fire rated wall consists of 2x4 studs spaced 16 inches from the center of one stud to the center of the next covered by 5 8 inch type x gypsum board. The detail drawings are grouped by details and can be downloaded below in dwg or pdf format.

It is a term that describes the sloped sides of a gable end. Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies. W taped joints veneer ties. Firestone has developed cad drawings of its tpo installation details to assist roofing professionals with the specification of firestone tpo roofing systems.