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Sarah Gray and Dan Morrison

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Reservoir Cladding and Mass Walls: 7 Minutes of BS

Siding is supposed to shed water away from walls, so what's the deal with siding that absorbs water?
Sept. 16, 2024
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Stucco: 7 Minutes of BS (Building Science)

Stucco is supposed to keep water out, but it is a reservoir cladding, so it also keeps water in. Sort of.
Nov. 14, 2018
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Historic Mortar: 7 Minutes of BS

In short, mortar is a mixture of some or all of the following materials: Portland cement, sand, lime clay, and more modern additives.
May 31, 2018
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Roof Ventilation: 7 Minutes of BS

Moving air keeps unwanted heat and moisture out of your roof system
Dec. 13, 2017
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Architectural Projections: 7 Minutes of BS

Old Building Details That Work
Aug. 8, 2017