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Chapter 24 



Table 24-5.— Performance criteria for AP A RATED SHEATHING® panels under con- 

 centrated and impact loads tested according to American Plywood Association Test 

 Method S- J (American Plywood Association 1980) 



Span rating and 

 test exposure 



conditions 



Minimum ultimate load 



Static' 



Following 

 impact-^ ' ^ 



Maximum deflection 



under 

 200-pound load^ 



Pounds Inch 



ROOF PANELS 



16 inches 



Dry or wet/redry 400 300 0.438 



Wet 400 300 Not applicable 



20 inches 



Dry or wet/redry 400 300 .469 



Wet 400 300 Not applicable 



24 inches 



Dry or wet/redry 400 300 .500 



Wet 400 300 Not applicable 



32 inches 



Dry or wet/redry 400 300 .500 



Wet 400 300 Not applicable 



42 inches 



Dry or wet/redry 400 300 .500 



Wet 400 300 Not applicable 



48 inches 



Dry or wet/redry 400 300 " .500 



Wet 400 300 ' Not applicable 



SUBFLOOR PANELS 



16 inches 



Dry or wet/redry 400 400 .188 



Wet 400 400 Not applicable 



20 inches 



Dry or wet/redry 400 400 .219 



Wet 400 400 Not applicable 



24 inches 



Dry or wet/redry 400 400 .250 



Wet 400 400 Not applicable 



' Wet/redry is exposed to 3 days of continuous wetting followed by testing dry. Wet conditioning 

 is exposure to 3 days of continuous wetting and tested wet. 



^On a 3-inch disk at midspan, 2.5 inches from panel edge to center of disk. 



^Impact shall be 75 foot-pounds for span ratings up to 24 inches, 90 foot-pounds for 32 inches, 1 20 

 foot-pounds for 42 inches, and 150 foot-pounds for 48 inches center- to-center span. 

 On a 3-inch disk at midspan, 6 inches from panel edge to center of disk. 



