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Abstract
When replacing roofing, it is often necessary to cvoer spaced boards with a solid roof deck. APA rated sheathing panels, which include plywood and oriented strand board, may be used for this purpose. When panels are attached over the spaced boards to the rafters or trusses, the resulting roof structure will have greater resistance to wind and seismic forces than the original spaced-board roof. The recommendations in this Techical Note are consistent with ASCE 7-02 and the 2003 IBC for wind uplift capacity for design wind sppeds up to 100 mph and a gable-end or hip roof with a 30-foot mean height with a slope between 2/12 and 12/12 at an inland location.
When replacing roofing, it is often necessary to cvoer spaced boards with a solid roof deck. APA rated sheathing panels, which include plywood and oriented strand board, may be used for this purpose. When panels are attached over the spaced boards to the rafters or trusses, the resulting roof structure will have greater resistance to wind and seismic forces than the original spaced-board roof. The recommendations in this Techical Note are consistent with ASCE 7-02 and the 2003 IBC for wind uplift capacity for design wind sppeds up to 100 mph and a gable-end or hip roof with a 30-foot mean height with a slope between 2/12 and 12/12 at an inland location.
Date
1/2006
1/2006
Author(s)
APA
APA
Page(s)
7
7
Source
APA (American Plywood Assn.)
APA (American Plywood Assn.)
Keyword(s)
APA bulletin; structural panel; spaced board; nail zone; panel spacing
APA bulletin; structural panel; spaced board; nail zone; panel spacing