Showing results 1 - 21 of 21
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Plan view (from above) showing how the existing garage wall gypsum board is cut away to air-seal the shared wall before adding rigid foam insulation on the garage and exterior walls of the home.
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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 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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Right – Spray foam insulates the walls and ceilings separating the garage from the home.
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Rigid foam insulation is installed on the garage side of the shared garage wall and roof of an existing home
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Side view showing air-sealing and rigid foam insulation is installed over existing wall and ceiling under a room above, then covered with new gypsum board.
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Side view showing how the existing garage wall and ceiling are air-sealed prior to installing rigid foam insulation on the garage side of the shared wall of an existing home.
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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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This hot climate zone home uses high quality batt insulation between studs to insulate this connecting garage wall.
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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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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 - Rigid insulation blocking is installed but not air-sealed with spray foam around edges.
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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 - 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.