Roof Ventilation
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Condensation With Plastic Baffles in a Vented Attic
Should the baffles be removed and replaced with vapor-permeable baffles or is there a better solution?
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Insulating and Venting a Shed Roof
The original plan calls for a layer of rigid foam insulation in the roof assembly. Will that help?
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What Happened In This Roof?
After an unconventional spray-foam installation, stains appear on the side of the house
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A Vent for Every Roof
Ventilation is required by code, but not all building scientists think vents do much
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Should a Roof Have a Rainscreen?
A vented rainscreen is a common detail on exterior walls. Does the same approach work on a roof?
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Urban Rustic: Up on the Roof
Continuing the air barrier over the top of the exterior walls is a crucial step
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Building a Foolproof Low-Slope Roof
A homeowner in the Pacific Northwest wants to detail the roof correctly, but it may already be too late
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Why I Hate, Hate, Hate Skylights
Skylights have a low R-value, provide cold surfaces for condensation, interfere with roof venting, and contribute to ice dams
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Video: Ice Dams, Insulation, and Roof Venting
How Ice Dams Form and How to Stop Them
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Can Cellulose be Used in an Unvented Roof?
Without ridge or soffit vents, the concern is moisture accumulation
