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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 underside of the attic roof and walls.

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Moisture can migrate from below the foundation to the basement wall and insulation cavity in a conventional blanket insulation installation

Moisture can migrate from below the foundation to the basement wall and insulation cavity in a conventional blanket insulation installation

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A trained installer completely fills the wall cavities with sprayed cellulose insulation.

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This hot climate zone home uses high quality batt insulation between studs to insulate this connecting garage wall.

This hot climate zone home uses high quality batt insulation between studs to insulate this connecting garage wall.

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

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.

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

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Traditional roof trusses pinch insulation where the roof meets the walls.

Traditional roof trusses pinch insulation where the roof meets the walls.

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

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

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Rigid insulation and water control layers are installed on the exterior of a flat foundation wall; spray foam insulates the rim joist

Rigid insulation and water control layers are installed on the exterior of a flat foundation wall; spray foam insulates the rim joist

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Right – Spray foam insulation was sprayed onto the ground and along the sides of the foundation walls and piers of this insulated crawl space.

Right – Spray foam insulation was sprayed onto the ground and along the sides of the foundation walls and piers of this insulated crawl space.

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Slab-on-grade with masonry stem wall and interior and slab insulation

Slab-on-grade with masonry stem wall and interior and slab insulation

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Slab-on-grade with concrete stem wall and under slab insulation

Slab-on-grade with concrete stem wall and under slab insulation

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Slab-on-grade with concrete masonry stem wall and exterior insulation

Slab-on-grade with concrete masonry stem wall and exterior insulation

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Right – Insulated concrete forms (ICFs) provide the insulated stem wall for the slab-on-grade foundation for this SIP house.

Right – Insulated concrete forms (ICFs) provide the insulated stem wall for the slab-on-grade foundation for this SIP house.

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Ladder blocking where exterior walls intersect interior walls provides more space for insulation and reduces thermal bridging.

Ladder blocking where exterior walls intersect interior walls provides more space for insulation and reduces thermal bridging.

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Wrong - Moisture from within the basement foundation wall can migrate into the insulation cavity in a conventional blanket insulation installation.

Wrong - Moisture from within the basement foundation wall can migrate into the insulation cavity in a conventional blanket insulation installation.

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Expert Meeting Report: Interior Insulation Retrofit of Mass Masonry Wall Assemblies

Reference

Expert Meeting about interior insulation retrofit of mass masonry wall assemblies held on July 30, 2011.

Measure Guideline: Deep Energy Enclosure Retrofit for Interior Insulation of Masonry Walls

Reference

Report describing a deep energy enclosure retrofit solution for insulating mass masonry buildings from the interior.

Walls in cold climates with a polyethylene vapor barrier interior of the wall cavity should have either no exterior insulation or a vapor-open continuous insulation like mineral wool that allows drying to the exterior

Walls in cold climates with a polyethylene vapor barrier interior of the wall cavity should have either no exterior insulation or a vapor-open continuous insulation like mineral wool that allows drying to the exterior

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Measure Guideline: Installing Rigid Foam Insulation on the Interior of Existing Brick Walls

Reference

Information sheet providing information on installing Rigid XPS foam board insulation to existing brick masonry walls.

Existing stud wall filled with open cell spray foam cavity insulation

Existing stud wall filled with open cell spray foam cavity insulation

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Existing stud wall filled with closed-cell spray foam cavity insulation

Existing stud wall filled with closed-cell spray foam cavity insulation

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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.

A gut rehab that includes drywall removal provides the opportunity to thoroughly insulate the walls.

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

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

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Exterior XPS basement insulation is correctly installed to completely cover the foundation wall

Exterior XPS basement insulation is correctly installed to completely cover the foundation wall

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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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Blown cellulose insulation completely fills the netted wall and ceiling cavities.

Blown cellulose insulation completely fills the netted wall and ceiling cavities.

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Right - This unvented crawlspace is insulated along the walls and between the floor joists with 2-inch foil-faced polyisocyanurate; a termite inspection gap is visible above of the wall insulation and below the band joist.

Right - This unvented crawlspace is insulated along the walls and between the floor joists with 2-inch foil-faced polyisocyanurate; a termite inspection gap is visible above of the wall insulation and below the band joist.

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Rigid foam forms an insulating bond break between the foundation wall and the slab

Rigid foam forms an insulating bond break between the foundation wall and the slab

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