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Unvented gas fireplaces release combustion byproducts into the living space, they should not be installed.

Unvented gas fireplaces release combustion byproducts into the living space, they should not be installed.
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Unvented roof assembly at eave retrofitted with rigid foam, spray foam, and a fully adhered membrane seal at the top of wall-to-roof transition

Unvented roof assembly at eave retrofitted with rigid foam, spray foam, and a fully adhered membrane seal at the top of wall-to-roof transition
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Unvented roof assembly at eave retrofitted with rigid foam, spray foam, and taped top edge of existing house wrap or building paper

Unvented roof assembly at eave retrofitted with rigid foam, spray foam, and taped top edge of existing house wrap or building paper
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Unvented roof assembly at rake retrofitted with a filler piece and taped top edge of existing house wrap or building paper to seal the top of wall-to-roof transition

Unvented roof assembly at rake retrofitted with a filler piece and taped top edge of existing house wrap or building paper to seal the top of wall-to-roof transition
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Unvented roof assembly at rake retrofitted with spray foam installed along the underside of the roof deck and extended to the rake edge to insulate and air seal the attic

Unvented roof assembly at rake retrofitted with spray foam installed along the underside of the roof deck and extended to the rake edge to insulate and air seal the attic
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Uplift forces acting on the roof are met with roof-wall connections that distribute the forces down the walls and into the foundation along the continuous load path.

Uplift forces acting on the roof are met with roof-wall connections that distribute the forces down the walls and into the foundation along the continuous load path.
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Upper wall insulation installation

Upper wall insulation installation
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Upper wall insulation installation with butyl z-flashing

Upper wall insulation installation with butyl z-flashing
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Upper-floor tie to lower floor for two-story building. Floor tie anchor and nailed wall sheathing.

Upper-floor tie to lower floor for two-story building. Floor tie anchor and nailed wall sheathing.
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Urinal.

Urinal.
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Use a clothes dryer cleaning brush to loosen lint in the dryer exhaust duct for easier removal

Use a clothes dryer cleaning brush to loosen lint in the dryer exhaust duct for easier removal
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Use a gloved finger or a piece of plastic with a round edge (such as a plastic spoon) to “tool” caulk. This pushes the caulk into the seam and creates a smooth appearance.

Use a gloved finger or a piece of plastic with a round edge (such as a plastic spoon) to “tool” caulk. This pushes the caulk into the seam and creates a smooth appearance.
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Use a gun-type applicator for greater control when installing canned spray foam to the wall-to-slab seam.

Use a gun-type applicator for greater control when installing canned spray foam to the wall-to-slab seam.
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Use a long stick lighter or incense stick to see if an ambient draft gas water heater is backdrafting

Use a long stick lighter or incense stick to see if an ambient draft gas water heater is backdrafting
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Use a non-contact voltage tester to verify the electricity is off, then disconnect the electrical and water connections of the old water heater tank.

Use a non-contact voltage tester to verify the electricity is off, then disconnect the electrical and water connections of the old water heater tank.
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Use a pry bar or dull putty knife to push backer rod into the rough opening around an existing window

Use a pry bar or dull putty knife to push backer rod into the rough opening around an existing window
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Use a screwdriver to remove the front panel of a tankless water heater to access the air filter or other internal components

Use a screwdriver to remove the front panel of a tankless water heater to access the air filter or other internal components
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Use a smoke pencil to check for air leaks at SIP panel seams, especially along the ridge beam

Use a smoke pencil to check for air leaks at SIP panel seams, especially along the ridge beam
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Use a square piece of insulation, secured with heat-resistant tape, to insulate the top of your electric water heater.

Use a square piece of insulation, secured with heat-resistant tape, to insulate the top of your electric water heater.
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Use a step ladder to access the bathroom exhaust fan

Use a step ladder to access the bathroom exhaust fan
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Use a step ladder to safely reach ceiling fixtures.

Use a step ladder to safely reach ceiling fixtures.
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Use a transfer pump to quickly drain a water heater for repair or replacement by attaching a clothes washer hose to the drain valve of the water heater and the other end to the inlet of the transfer pump, and using a garden hose from the pump to a drain.

Use a transfer pump to quickly drain a water heater for repair or replacement by attaching a clothes washer hose to the drain valve of the water heater and the other end to the inlet of the transfer pump, and using a garden hose from the pump to a drain.
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Use a truss joist header assembly as shown here to reduce thermal bridging in hot climate zones.

Use a truss joist header assembly as shown here to reduce thermal bridging in hot climate zones.
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Use a vacuum brush attachment or a soft dry cloth to clean the light fixture of the exhaust fan/light

Use a vacuum brush attachment or a soft dry cloth to clean the light fixture of the exhaust fan/light