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Explore a library of home construction and renovation guidance and easily search through galleries containing hundreds of building science-related photos, drawings, videos, CAD files, case studies, and presentations.

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Showing 697 - 720 of 816 results:

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Wrong - There is no foam gasket or air-sealing beneath the sill plate.

Wrong - There is no foam gasket or air-sealing beneath the sill plate.
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Wrong - This batt insulation is not aligned with the subfloor and joists.

Wrong - This batt insulation is not aligned with the subfloor and joists.
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Wrong - This IR image of a second-floor landing shows that attic air is flowing far into the interstitial floor cavity of the second-floor landing

Wrong - This IR image of a second-floor landing shows that attic air is flowing far into the interstitial floor cavity of the second-floor landing
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Wrong - This IR image shows where hot attic air has penetrated into the floor cavity that lies behind the stairwell wall

Wrong - This IR image shows where hot attic air has penetrated into the floor cavity that lies behind the stairwell wall
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Wrong - This is a poorly sealed chase with no solid air barriers along the sides of the chase and no caulk around the electrical wires installed through the ceiling of the chase.

Wrong - This is a poorly sealed chase with no solid air barriers along the sides of the chase and no caulk around the electrical wires installed through the ceiling of the chase.
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Wrong - Tub or shower floor is not insulated and air-sealed with a solid barrier material between the floor joists and the tub. Plumbing pipes shouldn't be located in a cantilever.

Wrong - Tub or shower floor is not insulated and air-sealed with a solid barrier material between the floor joists and the tub. Plumbing pipes shouldn't be located in a cantilever.
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Wrong - Unsealed holes for pipes can leave gaps large enough for insects, rodents, and even birds to enter the home.

Wrong - Unsealed holes for pipes can leave gaps large enough for insects, rodents, and even birds to enter the home.
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Wrong - Wall cavities behind shower are not completely filled with insulation and are lacking the solid interior air barrier.

Wrong - Wall cavities behind shower are not completely filled with insulation and are lacking the solid interior air barrier.
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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

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 - Wind baffle installation will not allow insulation over the top plate.

Wrong - Wind baffle installation will not allow insulation over the top plate.
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Wrong – No air barrier installed under staircase

Wrong – No air barrier installed under staircase
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Wrong – No rigid air barrier is installed behind fireplace

Wrong – No rigid air barrier is installed behind fireplace
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Wrong – A visible gap in the insulated sheathing introduces unwanted outside air, creating a thermal bypass and encouraging convective air flow

Wrong – A visible gap in the insulated sheathing introduces unwanted outside air, creating a thermal bypass and encouraging convective air flow
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Wrong – Air barrier is not air sealed

Wrong – Air barrier is not air sealed
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Wrong – Air barrier is not continuous

Wrong – Air barrier is not continuous
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Wrong – Air barrier missing behind tub area

Wrong – Air barrier missing behind tub area
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Wrong – Air barrier missing behind tub area

Wrong – Air barrier missing behind tub area
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Wrong – Air barrier missing behind tub area

Wrong – Air barrier missing behind tub area
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Wrong – Air barrier not sealed

Wrong – Air barrier not sealed
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Wrong – Air barrier not sealed between porch attic and conditioned space

Wrong – Air barrier not sealed between porch attic and conditioned space
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Wrong – Air barrier not sealed between porch attic and conditioned space

Wrong – Air barrier not sealed between porch attic and conditioned 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.

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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Wrong – Attic access panel does not have an insulation cover installed

Wrong – Attic access panel does not have an insulation cover installed
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Wrong – Cantilever is not blocked or insulated.

Wrong – Cantilever is not blocked or insulated.