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Deep energy retrofit showing insulation sprayed on exterior of walls over existing siding

Deep energy retrofit showing insulation sprayed on exterior of walls over existing siding

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Right - The wall top plates are sealed with foam before installing insulation on the ceiling deck

Right - The wall top plates are sealed with foam before installing insulation on the ceiling deck.

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Expanded polystyrene insulation is installed with joints taped and lath attached in preparation for the application of stucco

Expanded polystyrene insulation is installed with joints taped and lath attached in preparation for the application of stucco

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Sloped roof with cavity spray foam insulation, strapping, and gypsum board thermal barrier

Sloped roof with cavity spray foam insulation, strapping, and gypsum board thermal barrier

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Limited attic access can make inspections for missing air barriers and insulation challenging

Limited attic access can make inspections for missing air barriers and insulation challenging

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Right – Flex ducts are properly supported with straps that don’t pinch the insulation; closed-cell spray foam will be applied to the underside of the roof deck of this hot-humid climate home to provide an insulated attic space for the HVAC ducts.

Right – Flex ducts are properly supported with straps that don’t pinch the insulation; closed-cell spray foam will be applied to the underside of the roof deck of this hot-humid climate home to provide an insulated attic space for the HVAC ducts.

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Cavity used for return is not insulated and is not air sealed, which will pull in air from outside

Cavity used for return is not insulated and is not air sealed, which will pull in air from outside

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Rigid foam insulation and a thin slab were installed over the dirt and gravel of this sealed crawlspace

Rigid foam insulation and a thin slab were installed over the dirt and gravel of this sealed crawlspace

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Building America Top Innovations 2014: Cost-Optimized Attic Insulation Solution for Factory-Built Homes

Case Study

Case study describing a DOE Building America 2014 Top Innovation about the development and testing of a new attic insulation method for dense packing the shallow attic space in manufactured homes with blown fiberglass insulation based on research conducted by the Levy Partnership.

Ceiling, wall, floor, and slab insulation levels shall meet or exceed Builders Challenge levels

Ceiling, wall, floor, and slab insulation levels shall meet or exceed Builders Challenge levels

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All ceiling, wall, floor, and slab insulation shall achieve RESNET-defined Grade I installation

All ceiling, wall, floor, and slab insulation shall achieve RESNET-defined Grade I installation

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Rigid foam insulation is installed on the garage side of the shared garage wall and roof of an existing home

Rigid foam insulation is installed on the garage side of the shared garage wall and roof of an existing home

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Right - Rigid foam slab edge insulation is installed along the exterior edge of a monolithic slab foundation.

Right - Rigid foam slab edge insulation is installed along the exterior edge of a monolithic slab foundation.

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Faced fiberglass batt insulation can be stapled to the stud faces or slightly inset, but avoid compressing the batts

Faced fiberglass batt insulation can be stapled to the stud faces or slightly inset, but avoid compressing the batts

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Right - Baffles are installed in attic to keep blown insulation from blocking soffit vents and ventilation path

Right - Baffles are installed in attic to keep blown insulation from blocking soffit vents and ventilation path

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Application of Spray Foam Insulation Under Plywood and Oriented Strand Board Roof Sheathing, BA-1312

Reference

Report covering moisture and leakage issues associated with spray foam insulation application to the underside of roof sheathing.

Closed-cell spray foam insulation covers the attic floor to provide a continuous air control layer.

Closed-cell spray foam insulation covers the attic floor to provide a continuous air control layer.

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Right - Spray foam insulation air-seals the ceiling-to-drywall seams at the wall top plate.

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Right - Closed-cell spray foam covers the ceiling and joists to insulate and air-seal the ceiling deck.

Right - Closed-cell spray foam covers the ceiling and joists to insulate and air-seal the ceiling deck.

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Siding has been removed so cellulose insulation can be dense-packed into the exterior walls of this home

Siding has been removed so cellulose insulation can be dense-packed into the exterior walls of this home

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Right: This heat pump water heater is installed in a small space so the, intake air is ducted from an adjacent room; the water heater since on a pad of foam insulation and has a good drain line configuration but the waterpipes lack insulation

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Flat roof with cavity spray foam plus loose-fill insulation and gypsum board thermal barrier.

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Clean taping areas and install 3" tape on vertical joint of upper insulation overlapping the horizontal joint

Clean taping areas and install 3" tape on vertical joint of upper insulation overlapping the horizontal joint

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Right - Retrofit of an existing basement slab by adding dimple plastic mat, rigid foam insulation, and a floating subfloor.

Right - Retrofit of an existing basement slab by adding dimple plastic mat, rigid foam insulation, and a floating subfloor.

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Building America Existing Home Case Study: Insulated Siding Retrofit in a Cold Climate, New Paltz, New York

Case Study

Case study describing the application of insulated siding on an existing home.

New Whole-House Solutions Case Study: Exterior Rigid Foam Insulation at the Edge of a Slab Foundation, Fresno, California

Case Study

Case study describing application of exterior rigid foam insulation on a foundation system.

Unvented concrete masonry unit crawl space with exterior insulation - designed for termite resistance in moderately infested areas

Unvented concrete masonry unit crawl space with exterior insulation - designed for termite resistance in moderately infested areas

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Tape the joint between the top insulation sheet and the Z-flashing with 2" wide tape to improve air tightness

Tape the joint between the top insulation sheet and the Z-flashing with 2" wide tape to improve air tightness

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Right – This attic knee wall and the floor joist cavity openings beneath it are being sealed and insulated with spray foam.

Right – This attic knee wall and the floor joist cavity openings beneath it are being sealed and insulated with spray foam.

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Right – Spray foam insulation is sprayed on the underside of the roof deck to provide a conditioned space in this low attic for the HVAC ducts.

Right – Spray foam insulation is sprayed on the underside of the roof deck to provide a conditioned space in this low attic for the HVAC ducts.

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