Roof Assembly
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Low-Slope Roof Assembly Failures
A consultant for Structural Research Incorporated reports that dozens of new buildings have rotting roof sheathing
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Installing Rigid Foam Above Roof Sheathing
An updated look at roof assemblies that include a continuous layer of exterior insulation
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Will This Roof in Snow Country be a Problem?
Energy consultants think 14 in. of cellulose is inadequate and suggest a 6-in. layer of exterior foam
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Five Cathedral Ceilings That Work
As long as you pay attention to minimum code requirements for R-values, these cathedral ceiling details can be used in all climate zones
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Proof of Concept
Only the second Living Building Challenge−certified home, Burh Becc at Beacon Springs Farm is a study in regenerative design
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Sanity Check on an Unvented Roof Assembly
An insulation contractor has suggested a way to save money, but the homeowner worries about the added risks of moisture accumulation
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Sandwiching Roof Sheathing Between Two Impermeable Layers
Should we be scared of a “foam sandwich” with sheathing in the middle?
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How to Install Rigid Foam on Top of Roof Sheathing
This type of insulated roof assembly limits thermal bridging through rafters
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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