Library

Energy Star web page providing guidance on attic ventilation.

Standard providing guidance on how to select, size, and locate the supply air diffusers, grilles and registers, and the return grilles.

Article describing the building science implications of insulating vented or unvented attics.

Article describing the research into insulating vented versus unvented attics.

Article describing the difference between conditioned or unvented attics and unconditioned or vented attics.

Journal article reporting on field experience of unvented cathedralized (UC) attics in several environments in the United States.

Article outlining moisture accumulation in open cell spray polyurethane foam.

Q&A article discussing how to address moisture issues in an attic in a wet and humid coastal climate.

Article describing the risks associated with vented and unvented crawlspaces in different climate zones.

Report reviewing unvented roof assemblies, such as conditioned attics and unvented cathedral ceilings that are becoming common in North American construction.

Document summarizing the various papers on unvented conditioned cathedralized attics found on BSC's website.

Report focusing on the performance and durability of unvented-cathedralized attics in hot-humid climates with both tile and asphalt shingle roofing.

Document outlining important safety considerations of ventless fireplaces.