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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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Right - Batt was properly split around wires to achieve RESNET Grade I

Right - Batt was properly split around wires to achieve RESNET Grade I
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Right - Blown insulation in existing attic provides even coverage completely filling the attic space to a depth that covers the ceiling joists.

Right - Blown insulation in existing attic provides even coverage completely filling the attic space to a depth that covers the ceiling joists.
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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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Right - Closed-cell spray foam covers the interior of the foundation wall and wall framing is placed to the inside of the spray foam.

Right - Closed-cell spray foam covers the interior of the foundation wall and wall framing is placed to the inside of the spray foam.
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Right - Closed-cell spray foam is used to retrofit an existing rubble basement foundation wall.

Right - Closed-cell spray foam is used to retrofit an existing rubble basement foundation wall.
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Right - Closed-cell spray foam was applied to the interior of a foundation wall.

Right - Closed-cell spray foam was applied to the interior of a foundation wall.
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Right - Foil-faced polyisocyanurate rigid foam is attached to the existing exterior wall with vertical wood furring strips

Right - Foil-faced polyisocyanurate rigid foam is attached to the existing exterior wall with vertical wood furring strips
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Right - Install backflow prevention devices on plumbing pipes to prevent wastewater from entering the home's plumbing system.

Right - Install backflow prevention devices on plumbing pipes to prevent wastewater from entering the home's plumbing system.
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Right - Panels of 7/16-inch treated plywood are inexpensive but take time to install and are difficult to install on higher windows.

Right - Panels of 7/16-inch treated plywood are inexpensive but take time to install and are difficult to install on higher windows.
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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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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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Right - Spray foam insulation air-seals the ceiling-to-drywall seams at the wall top plate.

Right - Spray foam insulation air-seals the ceiling-to-drywall seams at the wall top plate.
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Right - Spray foam insulation has been sprayed onto the underside of the sloped roof and the gable end wall to provide a sealed, insulated attic for housing the HVAC ducts

Right - Spray foam insulation has been sprayed onto the underside of the sloped roof and the gable end wall to provide a sealed, insulated attic for housing the HVAC ducts
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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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Right - These roof insulation panels are installed in multiple layers with joints offset both vertically and horizontally. The plywood nail base fastened to the roof framing holds the insulation layers together snuggly thus minimizing gaps

Right - These roof insulation panels are installed in multiple layers with joints offset both vertically and horizontally. The plywood nail base fastened to the roof framing holds the insulation layers together snuggly thus minimizing gaps
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Right - This foil-faced polyisocyanurate rigid foam is installed on an existing exterior wall and the seams are taped so the rigid foam can serve as a water control layer

Right - This foil-faced polyisocyanurate rigid foam is installed on an existing exterior wall and the seams are taped so the rigid foam can serve as a water control layer
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Right - XPS foam insulation is attached to the existing exterior wall with wood furring strips that serve as a nail base for the siding and are installed vertically to allow for drainage and drying behind the siding

Right - XPS foam insulation is attached to the existing exterior wall with wood furring strips that serve as a nail base for the siding and are installed vertically to allow for drainage and drying behind the siding
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Right – All wood-to-wood joints are air-sealed with caulk or tape.

Right – All wood-to-wood joints are air-sealed with caulk or tape.
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Right – All wood-to-wood joints are sealed with caulk.

Right – All wood-to-wood joints are sealed with caulk.
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Right – All wood-to-wood joints are sealed with sprayer-applied sealant.

Right – All wood-to-wood joints are sealed with sprayer-applied sealant.
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Right – an instructor shows a student how to cut batt insulation around wiring rather than compressing the batt behind the wiring.

Right – an instructor shows a student how to cut batt insulation around wiring rather than compressing the batt behind the wiring.
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Right – Closed-cell spray foam seals the wall cavities.

Right – Closed-cell spray foam seals the wall cavities.
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Right – Commissioning of HVAC equipment is important for best performance.

Right – Commissioning of HVAC equipment is important for best performance.