Showing results 1 - 37 of 37
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Air-seal and insulate the rim and band joists of walls separating an attached garage from the home’s conditioned space.
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Air-seal the floor above a garage when there is living space above the garage and make sure floor insulation is in full contact with the underside of the subfloor.
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Install a self-closing door with weatherstripping and thoroughly air-seal the shared house-garage walls to help keep automobile exhaust and other pollutants out of the home.
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Installing a garage exhaust fan is one important step in keeping auto exhaust and other pollutants out of the home
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Right - A “flash” seal approach with spray foam provides a continuous air barrier between the ceiling and walls of the garage and the living space.
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Right - Walls and ceilings shared by the garage and living space must be air sealed and insulated.
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Right – Closed-cell spray foam insulates and air-seals the rim joist above a shared wall between the garage and living space.
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Right – Closed-cell spray foam insulation in the shared wall between the garage and living space helps to air-seal the wall and protect occupants from garage pollutants.
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Right – Every seam and nail hole in these garage-to-house walls is sealed with tape.
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The air tightness of the garage-to-house air barrier can be tested with a blower door kit and two manometers
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The air tightness of the house-garage air barrier can be tested using a CFM50 test that is first run with the garage door to outdoors closed
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The air tightness of the house-garage air barrier can be tested using a CFM50 test that is run first with the garage door to outdoors closed and then with the overhead garage door to outdoors open
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The I-joist is continuous along the shared wall and serves as a natural air barrier between the garage and the house
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To ensure a complete air barrier between the garage and the house, the wall between the garage and the house was insulated and air-sealed with four inches of high-density spray foam.
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To test house-to-garage airtightness, after connecting the green tubing as shown, connect the red tubing as follows: connect the input tap on channel “A” of the two-channel manometer (2CM) to the reference tap on channel “B” of the 2CM
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Use caulk or spray foam to air-seal all four edges of the blocking material in each joist bay.
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When using I-joists, make sure to fill in the gaps on each side of the blocking material to air-seal the joist bay where a wall separates conditioned and unconditioned spaces.
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Wrong - No air barrier is present in the floor joists spanning over the garage and conditioned space of the home.
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Wrong - Rigid insulation blocking is installed but not air-sealed with spray foam around edges.
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Wrong - The band joist above this garage-house shared wall is not properly sealed.
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Wrong - The faced batt insulation does not provide an air barrier in the joist bay between the garage and the conditioned space of the home.
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Wrong - The rigid foam that was installed as an air barrier at the rim joist was not properly air-sealed.
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Wrong - When ceiling joists over a garage run perpendicular to the adjoining wall, the joist bays must be blocked and sealed to prevent garage fumes from entering the living space
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Wrong – An opportunity to use structural members as a natural air barrier was missed in this home and blocking was not initially planned for between the garage and living space.
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