For the latest thermal resistance code requirements in your climate zone, go to the Codes Table.

STEP 1: Criteria Selection

Narrow your search by selecting individual attributes for the assembly.

Alternatively, you can narrow your serach by selecting either the nominal R-value or effective R-value range desired for the assembly.

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OR
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STEP 2: Assembly Count

Warning
Loading more than 250 assemblies can take a longer period of time.

STEP 3: Assembly Search