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The builder’s crews spray foam directly onto the ground to provide a vapor barrier and insulation layer under the slab.

The builder’s crews spray foam directly onto the ground to provide a vapor barrier and insulation layer under the slab.
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The builders sprayed the underside of the roof assembly with 6 inches of open-cell spray foam to create an unvented, R-48 insulated attic.

The builders sprayed the underside of the roof assembly with 6 inches of open-cell spray foam to create an unvented, R-48 insulated attic.
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The dark purple lines and streaks around the attic access hatch and along the wall top plate in this infrared camera image indicate air leakage that could be fixed with weather stripping around the access hatch and spray foam over the top plate.

The dark purple lines and streaks around the attic access hatch and along the wall top plate in this infrared camera image indicate air leakage that could be fixed with weather stripping around the access hatch and spray foam over the top plate
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The drywall above the dropped ceiling duct chase extends beyond adjoining top plates for a continuous air barrier

The drywall above the dropped ceiling duct chase extends beyond adjoining top plates for a continuous air barrier
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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 enhanced comfort attic insulation consists of an ultra-efficient 25-inch-thick layer of blown cellulose providing a substantial R-90 insulation value.

The enhanced comfort attic insulation consists of an ultra-efficient 25-inch-thick layer of blown cellulose providing a substantial R-90 insulation value.
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The exhaust ducts use gable end vent- the foil duct exits the vent but likely does not have a proper terminating vent with grill; the corrugated plastic vent does not go outside. Smooth metal ducts, rather than corrugated, provide best air flow

The exhaust ducts use gable end vent- the foil duct exits the vent but likely does not have a proper terminating vent with grill; the corrugated plastic vent does not go outside. Smooth metal ducts, rather than corrugated, provide best air flow
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The existing slab is retrofitted by coating with epoxy paint, then installing rigid foam insulation and a floating subfloor.

The existing slab is retrofitted by coating with epoxy paint, then installing rigid foam insulation and a floating subfloor.
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The existing slab is retrofitted with epoxy paint, rigid foam insulation, sleepers (furring strips), and subfloor.

The existing slab is retrofitted with epoxy paint, rigid foam insulation, sleepers (furring strips), and subfloor.
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The floor cavities under this attic kneewall are completely open to the unconditioned attic space and a prime target for wind washing

The floor cavities under this attic kneewall are completely open to the unconditioned attic space and a prime target for wind washing
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The floor slab is completely insulated with ICF foundation walls and R-20 (3 inches) of closed-cell foam that is sprayed directly onto the ground before pouring the slab.

The floor slab is completely insulated with ICF foundation walls and R-20 (3 inches) of closed-cell foam that is sprayed directly onto the ground before pouring the slab.
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The foundation walls are ICF block providing two continuous layers (R-23) of insulation around the slab, which will sit on an additional 4 inches (R-20) of low-VOC EPS foam.

The foundation walls are ICF block providing two continuous layers (R-23) of insulation around the slab, which will sit on an additional 4 inches (R-20) of low-VOC EPS foam.
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The goal of foundation moisture management is to construct the basement, crawlspace, or slab in a way that keeps moisture from getting in in the first place

The goal of foundation moisture management is to construct the basement, crawlspace, or slab in a way that keeps moisture from getting in in the first place
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The green framing is lumber that was pressure treated with borate to increase its resistance to termites, mold, and moisture

The green framing is lumber that was pressure treated with borate to increase its resistance to termites, mold, and moisture
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The Habitat affiliate makes its own “ICF” foundation walls with rigid foam held in place with wood spacers.

The Habitat affiliate makes its own “ICF” foundation walls with rigid foam held in place with wood spacers.
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The home’s slab-on-grade foundation is wrapped in a blanket of rigid foam extending completely under the slab and along the edges.

The home’s slab-on-grade foundation is wrapped in a blanket of rigid foam extending completely under the slab and along the edges.
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The missing top plate in a kneewall was covered with lumber and rigid foam insulation and then sealed with spray foam

The missing top plate in a kneewall was covered with lumber and rigid foam insulation and then sealed with spray foam
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The OSB roof decking product comes with an adhered radiant foil barrier which helps to prevent heat transfer in or out of the vented attic, while R-13 unfaced fiberglass fills the advanced-framed 2x6 walls.

The OSB roof decking product comes with an adhered radiant foil barrier which helps to prevent heat transfer in or out of the vented attic, while R-13 unfaced fiberglass fills the advanced-framed 2x6 walls.
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The polyethylene ceiling vapor barrier is sealed to form an air barrier around the exhaust fan in this very cold climate location (≥ CZ 6).

The polyethylene ceiling vapor barrier is sealed to form an air barrier around the exhaust fan in this very cold climate location (≥ CZ 6).
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The seams in the ceiling drywall are sealed from the attic side with spray foam.

The seams in the ceiling drywall are sealed from the attic side with spray foam.
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The seams of the rigid insulation are not taped and it will not provide a complete capillary break

The seams of the rigid insulation are not taped and it will not provide a complete capillary break
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The soffit dam and baffle allow air to flow through the vents without disturbing the insulation covering the top plates

The soffit dam and baffle allow air to flow through the vents without disturbing the insulation covering the top plates
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The spray foam-insulated attic provides a temperate place for the ERV ducts, which provide filtered fresh air to every room in the house.

The spray foam-insulated attic provides a temperate place for the ERV ducts, which provide filtered fresh air to every room in the house.
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The stud cavities in this balloon-framed wall do not have blocking where the attic floor abuts it; this allows air to flow from inside the home to the attic above.

The stud cavities in this balloon-framed wall do not have blocking where the attic floor abuts it; this allows air to flow from inside the home to the attic above.