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A flexible membrane was installed across the floor joists to prevent air movement between the floor joists in this multifamily 1-hr partition wall assembly

A flexible membrane was installed across the floor joists to prevent air movement between the floor joists in this multifamily 1-hr partition wall assembly
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A large bead of caulk is installed on the interior surface of the wall top and bottom plates to provide an air sealing gasket between the framing and the dry wall.

A large bead of caulk is installed on the interior surface of the wall top and bottom plates to provide an air sealing gasket between the framing and the dry wall.
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A low-sloped shed roof with the thermal boundary located at either a) the flat ceiling with a vented attic or b) the roof line for an unvented attic

A low-sloped shed roof with the thermal boundary located at either a) the flat ceiling with a vented attic or b) the roof line for an unvented attic
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A manometer is used to measure pressure differentials between indoors and outdoors when testing whole-house air leakage.

A manometer is used to measure pressure differentials between indoors and outdoors when testing whole-house air leakage.
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A molded plastic drainage board rainscreen allows vertical drainage while providing uniform support for the siding and resisting compression from screws and nails.

A molded plastic drainage board rainscreen allows vertical drainage while providing uniform support for the siding and resisting compression from screws and nails.
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A piece of siding is used as sill extension and to provide slope in the opening for the window, which is deeper because exterior rigid foam has been added

A piece of siding is used as sill extension and to provide slope in the opening for the window, which is deeper because exterior rigid foam has been added
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A plastic fiber drainage mat rainscreen provides uniform support for the siding and allows moisture to flow horizontally and diagonally in addition to vertically.

A plastic fiber drainage mat rainscreen provides uniform support for the siding and allows moisture to flow horizontally and diagonally in addition to vertically.
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A putty knife is used to press caulk into a seam in the plywood sheathing.

A putty knife is used to press caulk into a seam in the plywood sheathing.
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A rigid air barrier of non-paper-faced gypsum board is installed before the bathtub is installed and all seams are caulked

A rigid air barrier of non-paper-faced gypsum board is installed before the bathtub is installed and all seams are caulked
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A second layer of rigid insulation is installed over the 2 in. by 4 in. retaining strip

A second layer of rigid insulation is installed over the 2 in. by 4 in. retaining strip
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A sill gasket is installed under the two layers of fire-rated gypsum providing air sealing at the foundation slab in this 2-hour fire wall separating two units in a multifamily row house building

A sill gasket is installed under the two layers of fire-rated gypsum providing air sealing at the foundation slab in this 2-hour fire wall separating two units in a multifamily row house building
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A sill-sealing foam gasket is placed under 8-inch plywood base and two beads of caulk air seal the 2x6 sill plate to it; two more beads of caulk will top the 2x6 which will serve as a spline for the SIP wall panel.

A sill-sealing foam gasket is placed under 8-inch plywood base and two beads of caulk air seal the 2x6 sill plate to it; two more beads of caulk will top the 2x6 which will serve as a spline for the SIP wall panel.
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A technician assembles the spray sealant injection system to seal HVAC ducts from the inside

A technician assembles the spray sealant injection system to seal HVAC ducts from the inside
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A technician conducts a duct blaster test

A technician conducts a duct blaster test
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A typical Las Vegas hot-dry climate home uses stucco siding and a tile roof.

A typical Las Vegas hot-dry climate home uses stucco siding and a tile roof.
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A wall assembly approved for use in the wildland-urban interface has 5/8-inch type X gypsum installed exterior of the wood sheathing and an exterior covering or siding that has a 1-hour fire-resistance rating

A wall assembly approved for use in the wildland-urban interface has 5/8-inch type X gypsum installed exterior of the wood sheathing and an exterior covering or siding that has a 1-hour fire-resistance rating
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A weatherstripping gasket is installed on the framing that the crawlspace hatch panel rests on.

A weatherstripping gasket is installed on the framing that the crawlspace hatch panel rests on.
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Adding air-sealing and rigid foam insulation at the wall-to-overhanging floor juncture at the outside corner of an existing home

Adding air-sealing and rigid foam insulation at the wall-to-overhanging floor juncture at the outside corner of an existing home
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Adding weatherstripping to a door

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Adhesive caulk is used to seal seams and attach the multiple layers of rigid insulation

Adhesive caulk is used to seal seams and attach the multiple layers of rigid insulation
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Advanced Framing vs Traditional Framing

Presentation:

Advances in Manufactured Home Energy Efficient Design

Advances in Manufactured Home Energy Efficient Design
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After air-sealing the exhaust fan box, re-install the fan, and lights if needed, and re-attach the cover

After air-sealing the exhaust fan box, re-install the fan, and lights if needed, and re-attach the cover
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After cleaning the exhaust fan, the gap around the fan between the fan housing and the drywall should be caulked to stop air leakage from the house to the attic

After cleaning the exhaust fan, the gap around the fan between the fan housing and the drywall should be caulked to stop air leakage from the house to the attic