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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
A second layer of rigid insulation is installed over the 2 in. by 4 in. retaining strip
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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
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
A technician conducts a duct blaster test
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Air seal a heat pump or air conditioner air handler cabinet at all seams, holes, and junctions
Air seal a heat pump or air conditioner air handler cabinet at all seams, holes, and junctions
Air seal a heat pump or air conditioner air handler cabinet at all seams, holes, and junctions
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Air seal all holes and seams in the furnace cabinet with mastic, foil tape, or putty
Air seal all holes and seams in the furnace cabinet with mastic, foil tape, or putty
Air seal all holes and seams in the furnace cabinet with mastic, foil tape, or putty
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Air seal around all duct shafts and flues installed through ceilings, walls, or flooring to keep conditioned air from leaking into unconditioned space.
Air seal around all duct shafts and flues installed through ceilings, walls, or flooring to keep conditioned air from leaking into unconditioned space.
Air seal around all duct shafts and flues installed through ceilings, walls, or flooring to keep conditioned air from leaking into unconditioned space.
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Air seal duct boot to ceiling by installing fiberglass mesh tape and mastic over seam
Air seal duct boot to ceiling by installing fiberglass mesh tape and mastic over seam
Air seal duct boot to ceiling by installing fiberglass mesh tape and mastic over seam
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All of the ductwork for the efficient (8.5 HSPF, 15 SEER) heat pump is mastic sealed and installed in conditioned space.
All of the ductwork for the efficient (8.5 HSPF, 15 SEER) heat pump is mastic sealed and installed in conditioned space.
All of the ductwork for the efficient (8.5 HSPF, 15 SEER) heat pump is mastic sealed and installed in conditioned space.
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Assembled section of fiber board duct
Assembled section of fiber board duct
Assembled section of fiber board duct
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Block off registers before installing spray sealant in HVAC ducts
Block off registers before installing spray sealant in HVAC ducts
Block off registers before installing spray sealant in HVAC ducts
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Boot has been covered with insulation and sealed with mastic
Boot has been covered with insulation and sealed with mastic
Boot has been covered with insulation and sealed with mastic
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Boot to drywall connection not sealed
Boot to drywall connection not sealed
Boot to drywall connection not sealed
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Boot to drywall connection sealed
Boot to drywall connection sealed
Boot to drywall connection sealed
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Boot to floor connection not sealed
Boot to floor connection not sealed
Boot to floor connection not sealed
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Boot to floor connection sealed
Boot to floor connection sealed
Boot to floor connection sealed
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Connect the plastic application tunnel from the injection equipment to the supply plenum.
Connect the plastic application tunnel from the injection equipment to the supply plenum.
Connect the plastic application tunnel from the injection equipment to the supply plenum.
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Connect the plastic application tunnel to the injection equipment
Connect the plastic application tunnel to the injection equipment
Connect the plastic application tunnel to the injection equipment
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Connection in place but not sealed
Connection in place but not sealed
Connection in place but not sealed
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Cut fiber board with a red V-groove tool and a gray shiplap tool to create mitered corners and a shiplapped edge for duct sections
Cut fiber board with a red V-groove tool and a gray shiplap tool to create mitered corners and a shiplapped edge for duct sections
Cut fiber board with a red V-groove tool and a gray shiplap tool to create mitered corners and a shiplapped edge for duct sections
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Cut-away view showing unsealed gaps around a heating duct that goes through a wall
Cut-away view showing unsealed gaps around a heating duct that goes through a wall
Cut-away view showing unsealed gaps around a heating duct that goes through a wall
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Duct boot is air sealed to ceiling by covering the seam with fiberglass mesh tape and mastic
Duct boot is air sealed to ceiling by covering the seam with fiberglass mesh tape and mastic
Duct boot is air sealed to ceiling by covering the seam with fiberglass mesh tape and mastic
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Duct boots and other ceiling penetrations are air-sealed using spray foam
Duct boots and other ceiling penetrations are air-sealed using spray foam
Duct boots and other ceiling penetrations are air-sealed using spray foam
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Duct boots sealed to floor, wall, or ceiling using caulk, foam, mastic tape, or mastic paste
Duct boots sealed to floor, wall, or ceiling using caulk, foam, mastic tape, or mastic paste
Duct boots sealed to floor, wall, or ceiling using caulk, foam, mastic tape, or mastic paste
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Encapsulated ducts are sprayed with ccSPF in an unconditioned attic
Encapsulated ducts are sprayed with ccSPF in an unconditioned attic
Encapsulated ducts are sprayed with ccSPF in an unconditioned attic
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Fiber board sheets are available with pre-cut shiplapped ends
Fiber board sheets are available with pre-cut shiplapped ends
Fiber board sheets are available with pre-cut shiplapped ends
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Fiberglass duct board typically comes in sheets 4 foot wide by 10 foot long
Fiberglass duct board typically comes in sheets 4 foot wide by 10 foot long
Fiberglass duct board typically comes in sheets 4 foot wide by 10 foot long
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Fiberglass mesh tape is installed around a duct boot in preparation for air sealing with mastic
Fiberglass mesh tape is installed around a duct boot in preparation for air sealing with mastic
Fiberglass mesh tape is installed around a duct boot in preparation for air sealing with mastic
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Form a sheet metal shield around the flue pipe
Form a sheet metal shield around the flue pipe
Form a sheet metal shield around the flue pipe
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Form sheet metal shield around pipe keeping 3-inch clearance
Form sheet metal shield around pipe keeping 3-inch clearance
Form sheet metal shield around pipe keeping 3-inch clearance
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Hand tools for cutting fiber board sheets include a knife, straight edge, and color-coded edge-cutting tools
Hand tools for cutting fiber board sheets include a knife, straight edge, and color-coded edge-cutting tools
Hand tools for cutting fiber board sheets include a knife, straight edge, and color-coded edge-cutting tools
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Install wood framing cross pieces in the attic rafter bays on each side of the duct chase
Install wood framing cross pieces in the attic rafter bays on each side of the duct chase
Install wood framing cross pieces in the attic rafter bays on each side of the duct chase
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Insulation does not cover boot and is not sealed
Insulation does not cover boot and is not sealed
Insulation does not cover boot and is not sealed
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Insulation does not cover boot and is not sealed
Insulation does not cover boot and is not sealed
Insulation does not cover boot and is not sealed
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Manually seal around ceiling registers with foil tape
Manually seal around ceiling registers with foil tape
Manually seal around ceiling registers with foil tape
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Manually seal around ceiling registers with mastic
Manually seal around ceiling registers with mastic
Manually seal around ceiling registers with mastic
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Manually seal around the return plenum
Manually seal around the return plenum
Manually seal around the return plenum
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Manually seal around the supply plenum
Manually seal around the supply plenum
Manually seal around the supply plenum
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Manually seal seams in the air handler box with foil tape
Manually seal seams in the air handler box with foil tape
Manually seal seams in the air handler box with foil tape
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Manually seal seams in the return plenum
Manually seal seams in the return plenum
Manually seal seams in the return plenum
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Mechanically fastened and sealed
Mechanically fastened and sealed
Mechanically fastened and sealed
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Plan view of duct or pipe penetration through exterior wall showing flashing and air sealing details
Plan view of duct or pipe penetration through exterior wall showing flashing and air sealing details
Plan view of duct or pipe penetration through exterior wall showing flashing and air sealing details
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Prepare chase with adhesive for bottom insulation
Prepare chase with adhesive for bottom insulation
Prepare chase with adhesive for bottom insulation
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Raised ceiling chase sealed with drywall mud
Raised ceiling chase sealed with drywall mud
Raised ceiling chase sealed with drywall mud
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Rater-measured duct leakage to outdoors ≤ 4 CFM25 per 100 sq. ft. of conditioned floor area
Rater-measured duct leakage to outdoors ≤ 4 CFM25 per 100 sq. ft. of conditioned floor area
Rater-measured duct leakage to outdoors ≤ 4 CFM25 per 100 sq. ft. of conditioned floor area
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Right - Duct runs are straight with gradual bends; joints are well sealed.
Right - Duct runs are straight with gradual bends; joints are well sealed.
Right - Duct runs are straight with gradual bends; joints are well sealed.
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Right - Seams in duct boot are sealed with mastic.
Right - Seams in duct boot are sealed with mastic.
Right - Seams in duct boot are sealed with mastic.
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RIght - Seams in duct boot elbow are fully sealed with mastic.
RIght - Seams in duct boot elbow are fully sealed with mastic.
RIght - Seams in duct boot elbow are fully sealed with mastic.
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Right - The duct shows redundant sealing including the caulk, tape, and flashing
Right - The duct shows redundant sealing including the caulk, tape, and flashing
Right - The duct shows redundant sealing including the caulk, tape, and flashing
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Right - The open web floor joists have ample space for HVAC ducts
Right - The open web floor joists have ample space for HVAC ducts
Right - The open web floor joists have ample space for HVAC ducts
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Right - This duct penetration is properly flashed and integrated with the taped, foil-faced foam sheathing layer, which serves as the air and water barrier
Right - This duct penetration is properly flashed and integrated with the taped, foil-faced foam sheathing layer, which serves as the air and water barrier
Right - This duct penetration is properly flashed and integrated with the taped, foil-faced foam sheathing layer, which serves as the air and water barrier
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