replying to dpb, Steve Miller wrote:

An APA Performance Rated Panel designed and manufactured specifically for
residential and other light frame wall sheathing, roof sheathing and subflooring
applications. APA RATED SHEATHING can be manufactured with Span Ratings
I'm an engineer (haven't had much coffee yet this morning) but your answer
flew over my head. Don't dazzle us with big stories. Is the glue better? Is
one for exterior use while the other isn't? Is it prettier? Why would I Want
to spend twice as much for one?

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