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Right – The PEX piping and sink drain of this bathroom sink are fitted with escutcheons that help to air seal around the pipes and prevent pest entry.

Right – The PEX piping and sink drain of this bathroom sink are fitted with escutcheons that help to air seal around the pipes and prevent pest entry.
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Right – The recessed can light penetration is sealed with caulk to the drywall.

Right – The recessed can light penetration is sealed with caulk to the drywall.
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Right – The rim joists above the pre-insulated basement walls are sealed and insulated with spray foam to prevent air leakage at this juncture in the building envelope.

Right – The rim joists above the pre-insulated basement walls are sealed and insulated with spray foam to prevent air leakage at this juncture in the building envelope.
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Right – The rough opening around the window has been filled with low-expansion foam to air seal.

Right – The rough opening around the window has been filled with low-expansion foam to air seal.
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Right – The rough opening around window has been filled with backer-rod to air seal.

Right – The rough opening around window has been filled with backer-rod to air seal.
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Right – The round metal ducts are sealed with mastic at all joints.

Right – The round metal ducts are sealed with mastic at all joints.
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Right – The seams and edges of the house wrap have been taped but house wrap should have been extended up to porch roof and care should be taken to press the tape with a roller to activate tape adhesion.

Right – The seams and edges of the house wrap have been taped but house wrap should have been extended up to porch roof and care should be taken to press the tape with a roller to activate tape adhesion.
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Right – The seams are taped on the coated OSB sheathing of this home to provide a complete air barrier.

Right – The seams are taped on the coated OSB sheathing of this home to provide a complete air barrier.
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Right – The sill plate was sprayed with foam prior to installation atop foundation.

Right – The sill plate was sprayed with foam prior to installation atop foundation.
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Right – The top of the enclosure over this recessed can light remains clear of attic insulation

Right – The top of the enclosure over this recessed can light remains clear of attic insulation
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Right – The top plate-to-dry wall seams of the interior walls are sealed from the attic.

Right – The top plate-to-dry wall seams of the interior walls are sealed from the attic.
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Right – The vapor barrier is thoroughly sealed with tape at all seams.

Right – The vapor barrier is thoroughly sealed with tape at all seams.
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Right – The window header is filled with spray foam and sealant is used to air seal wood-to-wood seams; however, it would be preferable to design the wall to avoid so many stacked studs around the windows because they prevent wall insulation installation.

Right – The window header is filled with spray foam and sealant is used to air seal wood-to-wood seams; however, it would be preferable to design the wall to avoid so many stacked studs around the windows because they prevent the installation of wall insulation and lead to cold spots.
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Right – There is a foam gasket installed between the sill plate and foundation.

Right – There is a foam gasket installed between the sill plate and foundation.
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Right – These duct take-offs are well sealed to the branch duct

Right – These duct take-offs are well sealed to the branch duct
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Right – These neatly cut holes have been properly sealed with caulk and foam.

Right – These neatly cut holes have been properly sealed with caulk and foam.
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Right – This attic knee wall and the floor joist cavity openings beneath it are being sealed and insulated with spray foam.

Right – This attic knee wall and the floor joist cavity openings beneath it are being sealed and insulated with spray foam.
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Right – This crawlspace vent is backed with hardwire cloth to keep out rodents

Right – This crawlspace vent is backed with hardwire cloth to keep out rodents
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Right – This hole has been neatly cut and properly sealed with foam.

Right – This hole has been neatly cut and properly sealed with foam.
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Right – This ICAT recessed light is sprayed with foam to act as gasket against the drywall.

Right – This ICAT recessed light is sprayed with foam to act as gasket against the drywall.
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Right – This low-slope flat roof assembly has continuity of both the air and water barriers

Right – This low-slope flat roof assembly has continuity of both the air and water barriers
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Right – This low-slope roof and parapet assembly has continuity of both the air and water barriers

Right – This low-slope roof and parapet assembly has continuity of both the air and water barriers
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Right – This neatly cut hole has been properly sealed with foam.

Right – This neatly cut hole has been properly sealed with foam.
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Right – This recessed light is ICAT labeled, but still needs a gasket.

Right – This recessed light is ICAT labeled, but still needs a gasket.