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Spray foam insulates and air seals the underside of the attic roof and walls.

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Spray foam insulates and air seals the exterior wall behind the fireplace.

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Right - A wood dam was constructed to hold back the attic floor insulation

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Wrong – Whole house fan installed without an insulated cover

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Wrong – Drop down stairs do not have insulation cover installed

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

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Building America Energy Performance Brief: Insulating & Air Sealing Tubs

Case Study

Case study describing the techniques involved with insulating and air sealing tub space prior to installation in order to prevent drafts and moisture escaping.

Water Managed Roof – Re-roofing and Adding Insulation Over a Sloped Roof

Guide

Guide describing how to re-roof an existing home with a sloped roof and add insulation above the roof deck.

Building America Energy Performance Brief: Insulating and Air Sealing Cantilevered Floors

Case Study

Case study describing the proper techniques and steps in insulating and air sealing a cantilevered floor, as well as the consequences for failing to do so properly.

Keeping The Heat In - Chapter 6: Basement Insulation Floors, Walls and Crawl Spaces

Reference

Information sheet providing links and resources for insulating basements in cold climates.

Water Managed Roof – Re-roofing and Adding Insulation over a Flat Roof

Guide

Guide describing an approach to re-roofing an existing flat roof to improve thermal, water, and air control performance.

Validation Study of Experimental Insulating and Air-Sealing Technology for Enclosed Roof Cavities

Reference

Research report that validates Pinhole Insulation®, offering a cost-effective, minimally invasive solution for enhancing insulation and air sealing in enclosed roof cavities, improving R-value by 60% compared to traditional methods.

A second layer of rigid insulation is installed over the 2 in. by 4 in. retaining strip

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Right – Spray foam insulates the walls and ceilings separating the garage from the home.

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Air seal your crawlspace access hatch with weatherstripping and insulate the hatch panel with rigid foam and/or batt insulation to minimize air leakage at this common air leakage location.

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1 inch rigid insulation as attic eave baffle cut around manufactured vent

CAD File

Wrong – Fibrous insulation is not an air barrier and cannot be used for sealing holes.

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Wrong – Fibrous insulation is not an air barrier and cannot be used for sealing holes.

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Right - Spray foam insulates and air-seals the stone walls of this unvented crawlspace.

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Wrong – No blocking installed to prevent attic insulation from falling into stairs and opening

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Form an insulation dam of heat-resistant insulation with at least 3 inches of clearance around a flue pipe in the attic after air sealing around the pipe with sheet metal and fire-rated caulk or canned foam

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This IR camera image of a skylight shows that the skylight shaft is well-insulated and air sealed. A poorly insulated and air sealed skylight would show purple cold spots and streaks along the sides of the shaft.

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Adhesive caulk is used to seal seams and attach the multiple layers of rigid insulation

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Right: Spray foam air seals and insulates raised ceiling duct chase

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Spray foam insulates and air seals the underside of the attic roof and walls.

Spray foam insulates and air seals the exterior wall behind the fireplace.

Right - A wood dam was constructed to hold back the attic floor insulation

Wrong – Whole house fan installed without an insulated cover

Wrong – Drop down stairs do not have insulation cover installed

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

Building America Energy Performance Brief: Insulating & Air Sealing Tubs

Water Managed Roof – Re-roofing and Adding Insulation Over a Sloped Roof

Building America Energy Performance Brief: Insulating and Air Sealing Cantilevered Floors

Keeping The Heat In - Chapter 6: Basement Insulation Floors, Walls and Crawl Spaces

Water Managed Roof – Re-roofing and Adding Insulation over a Flat Roof

Validation Study of Experimental Insulating and Air-Sealing Technology for Enclosed Roof Cavities

A second layer of rigid insulation is installed over the 2 in. by 4 in. retaining strip

Right – Spray foam insulates the walls and ceilings separating the garage from the home.

Air seal your crawlspace access hatch with weatherstripping and insulate the hatch panel with rigid foam and/or batt insulation to minimize air leakage at this common air leakage location.

1 inch rigid insulation as attic eave baffle cut around manufactured vent

Wrong – Fibrous insulation is not an air barrier and cannot be used for sealing holes.

Wrong – Fibrous insulation is not an air barrier and cannot be used for sealing holes.

Right - Spray foam insulates and air-seals the stone walls of this unvented crawlspace.

Wrong – No blocking installed to prevent attic insulation from falling into stairs and opening

Form an insulation dam of heat-resistant insulation with at least 3 inches of clearance around a flue pipe in the attic after air sealing around the pipe with sheet metal and fire-rated caulk or canned foam

Building America Energy Performance Brief: Air Sealing and Insulating Fireplace Enclosures

Trade-Friendly Retrofit Insulated Panels for Existing Buildings, Albany New York

2012 IECC Code Level Insulation – DOE Zero Energy Ready Home Requirements

Conceptual insulation practice at attic-style truss system - above unconditioned space

Conceptual insulation practice at attic-style truss system - above conditioned space

Air sealing wall between a porch roof and attic with 1 inch of rigid insulation

This IR camera image of a skylight shows that the skylight shaft is well-insulated and air sealed. A poorly insulated and air sealed skylight would show purple cold spots and streaks along the sides of the shaft.

Adhesive caulk is used to seal seams and attach the multiple layers of rigid insulation

Right: Spray foam air seals and insulates raised ceiling duct chase