Q&A: Which Side of OSB Goes Up?

January 1, 2001

Q. When OSB is installed on roofs, which side should face up — the slick side or the rough side?: A.Corresponding Editor Paul Fisette responds: The rough side is installed facing up, in order to provide a safer walking surface for workers during construction.

About the Author

Paul Fisette

Paul Fisette is a wood technologist and former director of the Building Materials Technology and Management program at the University of Massachussets in Amherst, Mass.

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About the Author

Paul Fisette

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