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* indicates ultimate load divided by 3 for the design capacity.
4’ span is a minimum two span condition.
Panels require a minimum of 1-1/2” bearing.
Floor panels should have a 3/4” minimum top skin or a 7/16” top skin overlayed with 7/16” finish flooring perpendicular to the panels.
More information on this chart can be found in Technical Bulletin #18 (www.pbssips.com).
Refer to Technical Bulletin #21 for floor applications (www.pbssips.com).
Panel Core
Thickness
Deflection
Panel Span (ft.)
4’ 8’ 10’ 12’ 14’ 16’ 18’ 20’ 22’ 24’
9 1/4”
L/360 138 78 64 53 41 33 27 22 20 17
L/240 160* 86* 65* 57* 51* 46* 41 34 29 25
L/180 160* 86* 65* 57* 51* 46* 42* 39* 37* 34
11 1/4”
L/360 115 94* 75 51 49 47 38 28 24 21
L/240 160* 94* 76* 59* 55* 51* 45* 39* 36 31
L/180 160* 94* 76* 59* 55* 51* 45* 39* 36* 33*
Maximum Roof SpanMaximum Floor Span