Fire Wall Under Roof Detail

Figure 9 vertical extension of fire wall through roof.

Fire wall under roof detail.

The detail drawings are grouped by details and can be downloaded below in dwg or pdf format. Fire walls shall have sufficient structural stability under fire conditions to allow collapse of construction on either side without collapse of the wall for the duration of time indicated by the required fire resistance rating or shall be constructed as double fire walls in accordance with nfpa 221. 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. Parapet and end wall details are important to prevent fire spread in certain types of construction.

Firestone has developed cad drawings of its tpo installation details to assist roofing professionals with the specification of firestone tpo roofing systems. Other roof protrustions sothat notiiing obstructs tiieflow ofair from eave to ridge. Roof wall flashing detail specifications snafus. The code is 2009 ibc.

Horizontal and vertical movement in walls arises from thermal and other effects clearances are required to permit movement and prevent damage to firewalls. 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. 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.

Construction is type v b so there is no general requirement to rate the roof deck assembly. The project has m and s2 occupancies with some of the s2 separated with a 2hr fire barrier wall. Hold your cursor over the file name to view when a drawing was last updated. 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.

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.