Showing results 1 - 16 of 16
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Good water management practices like sloping grade away from house, and installing gutters, perimeter drain pipe, a capillary break, and free-draining soils or drainage mat protect the foundation from water saturation.
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Provide flashing and sealing integrated with the air and water control layers for vents and other roof penetrations
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Right – Furring strips provide a drainage and ventilation gap between the siding and the cork insulation.
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Right – Furring strips provide a drainage gap between the rigid foam and the siding.
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Right – Ripped OSB provides furring strips for a ventilation gap behind the wood siding.
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Rigid foam insulation can serve as the drainage plane when all seams are taped. Furring strips provide an air gap behind the cladding.
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Tape horizontal joint with minimum 3" wide tape placing tape offset high on the joint, adhearing to the upper sheet without wrinkles
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Terminate 4" tape with 2" wide tape placing tape offset high on the joint, 2/3 of the tape should be adhered to the sheet of insulation
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Water management details for a roof drain installed along with rigid foam on a flat roof
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Wrong: Closed-cell spray foam roof insulation was not thick enough to meet IRC levels so the foam surface is colder than the dew point of the interior air and condensation formed on surface of the foam