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Unvented, conditioned attics

Professional Roofing



unvented; conditioned; attic; building; code; requirements; guidelines

Unvented, conditioned attics can be a design alternative to conventional attic ventilation of steep-slope roof assemblies. If you are involved in the design, manufacture or installation of steep-slope roof systems, you should be aware of the unvented, conditioned attic concept, related code requirements and NRCA’s guidelines.

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