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roof insulation required on tenant upfit R-38?

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syarn

Structural
Sep 10, 2008
27
2009 IECC
2200sf type IIB assembly A-2
alteration of existing tenant space at covered mall building in austin texas to salad restaurant;

does R-38 batt have to be installed below the deck minimum if insulation is added per table 502.2 (1)?

the existing roof deck is R-6.24 and the engineer & architect directed to provide R-13 batt below deck to meet the design basis of the HVAC.

is there an exemption for alterations?

steve yarnall

 
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