Showing results 1 - 33 of 33
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Composition shingle roofing system showing sheathing and hot-mopped underlayment
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Flat roof with cavity spray foam plus loose-fill insulation and gypsum board thermal barrier.
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High winds pulled the asphalt shingles and sheathing panels off this coastal home, although storm shutters protected the windows
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Install the house wrap. Cut house wrap to fit over diverter and tape top of cut wrap
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Integrate pre-formed vent pipe flashing, shingle-fashion, with roofing underlayment and shingles
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Nailing and ridge ventilation for roof sheathing used as a structural diaphragm in high-wind and seismic hazard areas.
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Right - A continuous load path connects the roof and wall framing to the foundation.
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Right – If drip edge flashing is installed over fully adhered roof membrane at eaves, use flashing cement to seal the upper edge of the flashing
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Right – Install asphalt shingles over a starter strip set in an 8-inch strip of flashing cement
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Right – Retrofit Specification for installing roof sheathing an 18-inch gable end overhang
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Right – Start asphalt shingle installation with a starter strip set in an 8-inch strip of flashing cement
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Right – Under metal roofing, sheathing is protected by metal edging over a fully adhered membrane and a slip sheet of loose laid building paper
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Seal the roof deck as follows: Sweep roof decking, tape seams, and cover underlayment or roofing felt as shown.
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Sloped roof with cavity spray foam insulation sprayed on underside of roof deck and covered with sprayed-on thermal or ignition barrier coating.
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Sloped roof with cavity spray foam insulation, strapping, and gypsum board thermal barrier
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When installing fasteners in roof sheathing, common mistakes include using the wrong size fasteners, missing the framing members, overdriving nails, and using too many or too few fasteners.
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Wind path and uplift force for a gabled roof, a hip roof, and a pyramidal (another variant of a hip) roof design
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Wrong - Roof deck sheathing nails missed the trusses, potentially weakening the roof in high winds.
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