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The wall behind the fireplace is an exterior wall and requires a thermal barrier that is continuous with the rest of the wall’s insulation

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Right – The knee wall is properly insulated and air sealed.

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Install an air barrier on the exterior of attic knee wall insulation.

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Right – The backing on this knee wall was air sealed prior to insulation.

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Right – Rigid backing was installed prior to insulating the attic knee walls.

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Wrong – The backing on this knee wall was not air sealed prior to adding insulation.

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Air seal and insulate double-walls that are half-height or full-height walls used as architectural features in homes.

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Raised heel energy trusses extend past the exterior wall and are deeper at the wall allowing room for full insulation coverage over the top plate of the exterior walls.

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Right – The band joist over this wall was properly insulated and air-sealed.

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Wrong – Insulation does not fill entire cavity nor is there an air barrier present between the double wall

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Right – This attic knee wall and the floor joist cavity openings beneath it are being sealed and insulated with spray foam.

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Wrong – The batt insulation on this knee wall is not properly supported and there is no air sealed rigid backing to provide a solid air barrier.

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Air-seal and insulate the rim and band joists of walls separating an attached garage from the home’s conditioned space.

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Staircase Walls

Guide

Guide describing how to create a fully aligned air barrier behind a staircase.

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.

Skylight Shaft Walls

Guide

Guide describing insulation techniques for skylight shaft walls.

Attic Knee Walls

Guide

Guide describing how to insulate and air-seal attic knee walls and floor joist cavities under knee walls.

Double-Wall Architectural Feature

Guide

Guide describing air barrier installation, insulation installation, and air-sealing for double walls (half or full walls included in a home design as an architectural feature that provides a more dimensional appearance).

Advanced Framing: Insulated Corners

Guide

Guide describing how to frame and insulate corners to reduce heat losses and gains though structural framing.

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.

The attic kneewall and the open floor cavities under kneewall are both sealed and insulated in one step with spray foam insulation

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The wall behind the fireplace is an exterior wall and requires a thermal barrier that is continuous with the rest of the wall’s insulation

Right – The knee wall is properly insulated and air sealed.

Install an air barrier on the exterior of attic knee wall insulation.

Right – The backing on this knee wall was air sealed prior to insulation.

Right – Rigid backing was installed prior to insulating the attic knee walls.

Wrong – The backing on this knee wall was not air sealed prior to adding insulation.

Air seal and insulate double-walls that are half-height or full-height walls used as architectural features in homes.

Raised heel energy trusses extend past the exterior wall and are deeper at the wall allowing room for full insulation coverage over the top plate of the exterior walls.

Right – The band joist over this wall was properly insulated and air-sealed.

Wrong – Insulation does not fill entire cavity nor is there an air barrier present between the double wall

Right – This attic knee wall and the floor joist cavity openings beneath it are being sealed and insulated with spray foam.

Wrong – The batt insulation on this knee wall is not properly supported and there is no air sealed rigid backing to provide a solid air barrier.

Air-seal and insulate the rim and band joists of walls separating an attached garage from the home’s conditioned space.

Staircase Walls

Air Sealed, Insulated Basements

Skylight Shaft Walls

Attic Knee Walls

Double-Wall Architectural Feature

Advanced Framing: Insulated Corners

Certified Insulated Siding: Quality, Comfort and Energy Performance

Wrong – Insulation is misaligned

Continuous Air Barrier in Exterior Walls

Right – Insulation is properly installed

Air Sealing and Insulating Ceilings in Vented Attics

The attic kneewall and the open floor cavities under kneewall are both sealed and insulated in one step with spray foam insulation

Wrong – Insulation has compression and misalignment

Wrong – Insulation is misaligned with air barrier

Unvented Attic Insulation

Wrong--No insulation installed behind fireplace

Install insulation and an air barrier around skylight shafts.