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David Axt, AIA, CCS, CSI
Senior Member
Username: david_axt

Post Number: 1190
Registered: 03-2002


Posted on Wednesday, May 18, 2011 - 12:48 pm:   Edit PostDelete PostPrint Post

Is "60 minute" building paper that same as Federal Standard UU-B-790a Type 1 Grade D?

Is the minute rating on building paper an obsolete designation?

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