Thursday, July 21, 2016

Economical, energy-efficient roof assemblies

Many conventionally built commercial roof decks have flat or low-pitched roof decks that are insulated only with continuous insulation, or rigid board insulation, placed on top of either steel or wood panel sheathing.

APA’s comparison of roof systems shows that under-deck cavity insulation options provide superior energy efficiency to systems using only continuous insulation. The results of the comparison showed:

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