Showing results 1 - 21 of 21
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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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Pier foundations, hurricane strapping, borate- and pressure-treated lumber, and high-density spray foam insulation help protect this New Orleans home from costal flooding and storms (Source: Green Coast Enterprises).
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Right - Continuous wall sheathing and blocking has been installed to brace the raised heel trusses.
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Right – Closed-cell polyurethane foam is sprayed on the underside of the roof deck to provide structural connections and seal seams in the sheathing to increase wind resistance
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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 – Roof underlayment is fully adhered and roof deck seams are sealed so roof is resistant to high-wind events
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Right – Roof underlayment is fully adhered and roof deck seams are sealed so roof is resistant to high-wind events
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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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Step 4. Install insulating sheathing and vertical furring strips on the retrofitted exterior wall; seal around pipe or duct with urethane sealant.
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Step 5. Install sheathing tape flashing over the duct or pipe and wood blocking on either side for later attachment of trim.
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Step 6. Install vent hood trim block, metal cap flashing; seal top edge of flashing with sheathing tape.
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Step 8. Attach the new cladding to the furring strips over the rigid foam for the exterior wall retrofit.
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Wrong – Roof underlayment is not fully adhered and roof deck seams are not sealed so roof is susceptible to high-wind events
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Wrong – The gable end wall failed because the rigid foam sheathing was not backed up by plywood or OSB.