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Video:

Stormproof Your Roof

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Strengthen an existing roof by applying two-part spray-applied polyurethane foam adhesive to all sheathing and framing joints from the underside of the roof

Strengthen an existing roof by applying two-part spray-applied polyurethane foam adhesive to all sheathing and framing joints from the underside of the roof
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Strips of roofing membrane are used to flash around a skylight on a flat roof retrofit

Strips of roofing membrane are used to flash around a skylight on a flat roof retrofit
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Strong wind passing over a sloped roof cause positive pressure on windward side and negative pressure on leeward side and at vortices above windward eave

Strong wind passing over a sloped roof cause positive pressure on windward side and negative pressure on leeward side and at vortices above windward eave
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Stuff your chimney pillow into the shaft; it should be large enough to completely block the opening and to stay in place due to friction

Stuff your chimney pillow into the shaft; it should be large enough to completely block the opening and to stay in place due to friction
Video:

Surviving A Hurricane: A Hurricane-Resistant Construction Solution

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Table on Clay and Concrete Tile Attachments

Table on Clay and Concrete Tile Attachments
Case Study:

Technology Solutions Case Study: BA-1312: Application of Spray Foam Insulation Under Plywood and OSB Roof Sheathing

Case Study:

Technology Solutions Case Study: Field Testing an Unvented Roof with Asphalt Shingles in a Cold Climate

Case Study:

Technology Solutions Case Study: Field Testing an Unvented Roof with Fibrous Insulation and Tiles

Case Study:

Technology Solutions Case Study: Photovoltaic Systems with Module-Level Power Electronics

Case Study:

Technology Solutions Case Study: Predicting Envelope Leakage in Attached Dwellings

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The asymmetrical design of this home offers a large uninterrupted south-facing roof plane for solar photovoltaic and solar thermal panels.

The asymmetrical design of this home offers a large uninterrupted south-facing roof plane for solar photovoltaic and solar thermal panels.
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The attic is sealed and insulated along the underside of the roof deck with 5.5 inches of polyurethane spray foam, providing conditioned space for the HVAC system.

The attic is sealed and insulated along the underside of the roof deck with 5.5 inches of polyurethane spray foam, providing conditioned space for the HVAC system.
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The base of the plywood parapet is air sealed with spray foam and fibrous insulation is installed in the rafter cavities in this flat roof retrofit

The base of the plywood parapet is air sealed with spray foam and fibrous insulation is installed in the rafter cavities in this flat roof retrofit
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The blocking for a new PV roof-mounting system is integrated with new rigid foam and the air and water control layers installed over an existing flat roof

The blocking for a new PV roof-mounting system is integrated with new rigid foam and the air and water control layers installed over an existing flat roof
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The blocking is completely flashed with roofing membrane before the PV rack hardware is attached on a flat roof

The blocking is completely flashed with roofing membrane before the PV rack hardware is attached on a flat roof
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The builder installed 1.5 inches of soy-based spray foam on the outside of the walls over the OSB sheathing, then kept a ¾ inch gap between the foam and the brick veneer siding to allow moisture vapor from the bricks to dissipate.

The builder installed 1.5 inches of soy-based spray foam on the outside of the walls over the OSB sheathing, then kept a ¾ inch gap between the foam and the brick veneer siding to allow moisture vapor from the bricks to dissipate.
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The components of a roof include the rafter framing or trusses, purlins, plywood roof decking, underlayment, and the roof covering.

The components of a roof include the rafter framing or trusses, purlins, plywood roof decking, underlayment, and the roof covering.
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The cool shingles on the right have been coated with a ceramic coating to reflect near-infrared radiation, resulting in a cooler roof as shown by these thermal images (red and yellow are hotter, green and blue are cooler).

The cool shingles on the right have been coated with a ceramic coating to reflect near infrared radiation, resulting in a cooler roof as shown by these thermal images (red and yellow are hotter, green and blue are cooler).
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The dark horizontal lines indicated by blue circles on this roof are actually low-profile roof vents that take the place of soffit vents and are installed above the insulation level so no baffles are needed

The dark horizontal lines indicated by blue circles on this roof are actually low-profile roof vents that take the place of soffit vents and are installed above the insulation level so no baffles are needed
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The diverter should be adequately sized to direct all of the water away from the wall and into the gutter.

The diverter should be adequately sized to direct all of the water away from the wall and into the gutter.
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The duct for this exhaust fan is properly routed through the roof and the duct is insulated

The duct for this exhaust fan is properly routed through the roof and the duct is insulated
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The entire roof of the home is covered with an ice-and-water shield to help protect against moisture damage.

The entire roof of the home is covered with an ice-and-water shield to help protect against moisture damage.