Fire Wall Under Roof Detail

Construction is type v b so there is no general requirement to rate the roof deck assembly.

Fire wall under roof detail.

Figure 9 vertical extension of fire wall through roof. Cold roof insulation between rafters wnapor barrier on warm side below orw sheatiiing roofing roofing 2 x 8 sleepers notched for vent aligned wi rafters flashing over rooang fascia sheatiiing 2 x 4 sleepers aligned w rafters provide. The code is 2009 ibc. Hold your cursor over the file name to view when a drawing was last updated.

Fire barrier walls are typically continuous from an exterior wall to an exterior wall or from a floor below to a floor or roof above or from one fire barrier wall to another fire barrier wall having a fire resistance rating equal to or greater than the required rating for the application. And in our experience when a single piece of flashing extends only a few inches under the shingles especially on a long roof slope and worse on a roof that happens to slope slightly towards rather than away from the abutting vertical building wall the accumulated roof drainage water. Fire walls in stepped buildings must extend 30 inches above the lower roof surface and for 15 feet above the lower roof the exterior wall must be protected with 1 hour fire resistive construction and any openings in the protected area must have a minimum fire protection rating of at. The detail drawings are grouped by details and can be downloaded below in dwg or pdf format.

Proven performance since the great fire of london. 6 1 typical party wall and roof applications roof details compliant battens and sarking over party wall sarking not shown for clarity compliant fire rated separating wall brick wall shown bradford fireseal party wall sealer compressed between roof tiles and top of party wall truss rafter line roof tiles figure 6 1 2. Parapet and end wall details are important to prevent fire spread in certain types of construction. The project has m and s2 occupancies with some of the s2 separated with a 2hr fire barrier wall.

These listings are short summaries to serve as a. 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. I was wondering what you might think about the required detail for a head of wall joint at a fire barrier wall in the following case. Other roof protrustions sothat notiiing obstructs tiieflow ofair from eave to ridge.

Roof wall flashing detail specifications snafus.