2 if the assembly isn t concealed an open floor ceiling assembly above a.
Attic draftstop required.
18137782015163 com building products and industry topics.
Draftstopping draftstop is defined by the international building code as.
Draftstopping is not required in buildings equipped throughout with an automatic sprinkler system in accordance with section 903 3 1 1.
Each side of draftstop approximately of equal sizes there are some points to be made about the draftstoppingrequirements.
1 if there is no useable space above the assembly an attic or below it a crawlspace draftstoppingisn t required.
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The scope of this project is to evaluate draftstopping in concealed combustible attic spaces.
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Or above every two dwelling units.
In occupancies in group r 2 that do not exceed four stories above grade plane the attic space shall be subdivided by draftstops into areas not exceeding 3 000 sf.
Icc region ii safety 2 r cuppy the next generation last post.
Jimgillettewy gov building products and industry topics.
Draftstopping is required in concealed spaces in type v combustible construction to subdivide attic spaces.