BASC Search | Building America Solution Center

Right – The window header is filled with spray foam and sealant is used to air seal wood-to-wood seams; however, it would be preferable to design the wall to avoid so many stacked studs around the windows because they prevent wall insulation installation.

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This IR camera image shows a cold spot (in purple) at an electrical outlet on an exterior wall due to lack of insulation; some streaking is also visible and indicates air leakage.

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Right - Permeable rigid mineral wool insulation and appropriate water-management flashing details are integrated with new rigid foam siding to keep water away from the sill beam above the foundation wall

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

CAD File

Air Sealed, Insulated Basements

Guide

Guide describing how to insulate a basement to improve the overall thermal performance of the building and provide more dry, usable conditioned space for home occupants and HVAC equipment.

Insulated Concrete Forms (ICFs)

Video

Video describing insulated concrete forms.

Structural Insulated Panels (SIPs)

Video

Video describing structural insulated panels.

Skylight Shaft Walls

Guide

Guide describing insulation techniques for skylight shaft walls.

Attic Knee Walls

Video

Video describing how to insulate and air seal attic knee walls.

Spray foam on concrete foundation wall with framed interior wall

CAD File

Walls Adjoining Porch Roof

Guide

This guide describes how to install a rigid air barrier to separate the porch attic from the conditioned space.

Walls Behind Fireplaces

Guide

This guide describes how to install a rigid air barrier to wall framing behind fireplaces.

Other Exterior Walls

Video

Video describing how to properly air seal exterior walls.

Walls Behind Showers and Tubs

Guide

This guide describes how to install a rigid air barrier to walls behind showers and tubs.

Insulating and Air Sealing Existing Floor Overhangs (Cantilevers)

Guide

Guide describing how to insulate a floor overhang (or cantilever) on an existing home by adding insulation and an air barrier to air seal the floor joist bays under the cantilever.

Certified Insulated Siding: Quality, Comfort and Energy Performance

Presentation

This presentation will help you define insulated siding, understand R-value testing of insulated siding, describe proper installation of insulated siding, comply with energy codes and understand building energy performance program and software recognition.