Draftstopping draftstop is defined by the international building code as.
Attic draftstop required.
Draftstopping is not required in buildings equipped throughout with an automatic sprinkler system in accordance with section 903 3 1 1.
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Draftstopping is not required in buildings equipped throughout with an automatic sprinkler system in accordance with section 903 3 1 1.
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1 if there is no useable space above the assembly an attic or below it a crawlspace draftstoppingisn t required.
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2 if the assembly isn t concealed an open floor ceiling assembly above a.
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 square feet 279 m 2 or above every two.
Or above every two dwelling units.
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Each side of draftstop approximately of equal sizes there are some points to be made about the draftstoppingrequirements.
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.