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| I am confused about plywood.  It comes in different thicknesses and differnt types.   Wht type and thickness should I get to roof my house? | 
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Hey!
 
Roof plywood should be 5/8" cdx exterior grade plywood for spans less than 24" between roof rafters.  You could use thinner plywood like 1/2" but I wouldn't.  There also should be a spacer between sheets along the grain of 1/16" to allow for expansion. |