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Image:

Balanced ventilation strategy for conditioned attic spaces

Balanced ventilation strategy for conditioned attic spaces
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Balloon framing at a gable end wall allows air to flow from the conditioned space and the wall cavity into the attic.

Balloon framing at a gable end wall allows air to flow from the conditioned space and the wall cavity into the attic.
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Batt insulation is installed at the attic floor

Batt insulation is installed at the attic floor
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Batt insulation is installed in two layers in perpendicular directions against the baffle to full required insulation height

Batt insulation is installed in two layers in perpendicular directions against the baffle to full required insulation height
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Batt insulation is installed in two layers with offset seams against the baffle to full code-required insulation height

Batt insulation is installed in two layers with offset seams against the baffle to full code-required insulation height
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Batt insulation is not an effective air barrier

Batt insulation is not an effective air barrier
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Bracing Your Garage Door.

Bracing Your Garage Door.
Case Study:

Builders Challenge High Performance Builder Spotlight: David Weekley Homes, Houston, Texas

Case Study:

Builders Challenge High Performance Builder Spotlight: Kacin Homes, Pittsburgh, Pennsylvania

Case Study:

Building America Energy Performance Brief: Installing a Radiant Barrier in the Attic

Case Study:

Building America Energy Performance Brief: Insulating Attic Kneewalls

Case Study:

Building America Top Innovations 2014: Cost-Optimized Attic Insulation Solution for Factory-Built Homes

Presentation:

Building Science for Dry Climates 5 - Building Shell, Air Sealing, & Attics

Video:

Building Science Insights: To Vent or Not to Vent

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Buried ducts are laid on the floor of a vented attic then covered with spray foam and blown attic floor insulation

Buried ducts are laid on the floor of a vented attic then covered with spray foam and blown attic floor insulation
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Burried and encapsulated ducts in a ceiling plane

Burried and encapsulated ducts in a ceiling plane
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Caulk around each piece of rigid foam in garage wall rim joist cavities

Caulk around each piece of rigid foam in garage wall rim joist cavities
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Caulk around the trim of the attic access panel or door to improve the air sealing between the living space and the attic.

Caulk around the trim of the attic access panel or door to improve the air sealing between the living space and the attic.
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Ceiling gypsum board has been installed

Ceiling gypsum board has been installed
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Clean the attic floor of debris prior to installing new attic insulation. Use baffles to provide a path for ventilation air entering the attic from the soffit vents

Clean the attic floor of debris prior to installing new attic insulation. Use baffles to provide a path for ventilation air entering the attic from the soffit vents
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Closed-cell spray foam insulation covers the attic floor to provide a continuous air control layer.

Closed-cell spray foam insulation covers the attic floor to provide a continuous air control layer.
Video:

Cold Climate Building Techniques and Concepts: Cathedral Roofs

CAD File:

Conceptual insulation at cape-style roof - ceiling and knee wall cavity insulation

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Conceptual insulation at cape-style roof - ceiling and knee wall cavity insulation
CAD File:

Conceptual insulation at cape-style roof - roof cavity insulation with rigid insulation closure

Preview Image
Conceptual insulation at cape-style roof - roof cavity insulation with rigid insulation closure