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The 2x4 wall studs are staggered along the 2x6 sill plate providing space to weave insulation around each stud to stop thermal bridging through the wall.

The 2x4 wall studs are staggered along the 2x6 sill plate providing space to weave insulation around each stud to stop thermal bridging through the wall.
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The advance-framed 2x6 24-inch on-center walls are covered with netting then filled with R-23 blown fiberglass.

The advance-framed 2x6 24-inch on-center walls are covered with netting then filled with R-23 blown fiberglass.
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The attic is sealed and insulated along the underside of the roof deck with 5.5 inches of polyurethane spray foam, providing conditioned space for the HVAC system.

The attic is sealed and insulated along the underside of the roof deck with 5.5 inches of polyurethane spray foam, providing conditioned space for the HVAC system.
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The basement walls’ interior framing is set in 3 inches from the concrete to allow space for closed-cell foam that is sprayed directly on the concrete, then blown cellulose is added to fill the wall cavity.

The basement walls’ interior framing is set in 3 inches from the concrete to allow space for closed-cell foam that is sprayed directly on the concrete, then blown cellulose is added to fill the wall cavity.
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The builder staggers 2x4 studs on 2x6 top and bottom plates which provides gaps to fill in insulation around the framing for a continuous blanket of insulation.

The builder staggers 2x4 studs on 2x6 top and bottom plates which provides gaps to fill in insulation around the framing for a continuous blanket of insulation.
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The components of a framed wall include from inside to out: gypsum, wood studs, OSB or plywood sheathing, and siding.

The components of a framed wall include from inside to out: gypsum, wood studs, OSB or plywood sheathing, and siding.
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The components of a roof include the rafter framing or trusses, purlins, plywood roof decking, underlayment, and the roof covering.

The components of a roof include the rafter framing or trusses, purlins, plywood roof decking, underlayment, and the roof covering.
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The discharge pipe on this water heater’s temperature and pressure (T&P) relief valve is made of CPVC pipe.

The discharge pipe on this water heater’s temperature and pressure (T&P) relief valve is made of CPVC pipe.
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The double walls form a 12-inch cavity that was sheathed with a coated OSB then coated with 3 inches of closed-cell spray foam; they will be filled with 9 inches of blown fiberglass.

The double walls form a 12-inch cavity that was sheathed with a coated OSB then coated with 3 inches of closed-cell spray foam; they will be filled with 9 inches of blown fiberglass.
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The drain valves on these water heaters are located near the bottom of the tanks.

The drain valves on these water heaters are located near the bottom of the tanks.
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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 energy-saving double wall construction uses two side-by-side stud walls, providing an extra-thick wall cavity that can be filled with more than twice as much insulation as a 2x6 wall.

The energy-saving double wall construction uses two side-by-side stud walls, providing an extra-thick wall cavity that can be filled with more than twice as much insulation as a 2x6 wall.
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The exterior walls are double walls consisting of two 2x4 stud walls set 3 inches apart to form a 10-inch-thick wall cavity that is filled with blown-in fiberglass to provide a continuous R-40 blanket of insulation around the home.

The exterior walls are double walls consisting of two 2x4 stud walls set 3 inches apart to form a 10-inch-thick wall cavity that is filled with blown-in fiberglass to provide a continuous R-40 blanket of insulation around the home.
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The exterior walls of this home consist of two wall cavities: a 2x6 wall with plywood sheathing plus 8-inch I-joists sheathed with engineered wood; both cavities are dense-packed with cellulose for R-60 total.

The exterior walls of this home consist of two wall cavities: a 2x6 wall with plywood sheathing plus 8-inch I-joists sheathed with engineered wood; both cavities are dense-packed with cellulose for R-60 total.
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The front porch on this home survived a hurricane

The front porch on this home survived a hurricane
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The gaps in the subfloor around these copper plumbing pipes should be caulked to protect the conditioned space from air infiltration

The gaps in the subfloor around these copper plumbing pipes should be caulked to protect the conditioned space from air infiltration
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The gaps in the subfloor around this copper piping should be sealed with caulk or canned spray foam.

The gaps in the subfloor around this copper piping should be sealed with caulk or canned spray foam.
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The highly efficient double wall system consists of two sets of stud walls set side by side to create a 12-inch-thick double-stud wall cavity that is filled with a continuous blanket of R-44 dense-packed cellulose insulation.

The highly efficient double wall system consists of two sets of stud walls set side by side to create a 12-inch-thick double-stud wall cavity that is filled with a continuous blanket of R-44 dense-packed cellulose insulation.
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The holes around these plumbing pipes in the floor slab and in the sink cabinet have been sealed with canned spray foam to stop air leakage.

The holes around these plumbing pipes in the floor slab and in the sink cabinet have been sealed with canned spray foam to stop air leakage.
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The hot water pipe on this heat pump water heater has been insulated with pipe insulation.

The hot water pipe on this heat pump water heater has been insulated with pipe insulation.
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The hot water recirculation pump is hidden behind the water heater in a closet.

The hot water recirculation pump is hidden behind the water heater in a closet.
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The ICF consists of foam forms that are held in place with plastic or metal spacers and reinforced with metal rebar

The ICF consists of foam forms that are held in place with plastic or metal spacers and reinforced with metal rebar
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The ICF walls of this home are braced to prepare for pouring the concrete

The ICF walls of this home are braced to prepare for pouring the concrete
Video:

The Importance of a Continuous Load Path