Specification History

SWS Version Created Specification ID Title Specification Objective Supporting Materials Rationale Status
Version 2020 08/14/2020 - 14:25 4.0401.3b Material selection

Select rigid insulation that:

is a class II vapor retarder

is between 0.5 and 2.0 lb/ft3 in density and has a flame spread/smoke development index equal to or less than 25/450 when tested in accordance with ASTM E84 or UL 723

Prevent condensation and provide fire safe assembly

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Version 2020 08/14/2020 - 14:25 4.0401.3b Material selection

Select rigid insulation that:

is a class II vapor retarder

is between 0.5 and 2.0 lb/ft3 in density and has a flame spread/smoke development index equal to or less than 25/450 when tested in accordance with ASTM E84 or UL 723

Prevent condensation and provide fire safe assembly

Black Line