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Insulate Your Basement, Part 3: Insulate the Walls and Rim Joists

Video

Video describing how to use foam insulation on masonry walls, and how to properly insulate the rim joist area with rigid foam and batt insulation.

Rigid foam insulating sheathing installed over an existing garage ceiling with retrofits to air seal exterior wall before adding exterior wall insulating sheathing

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Right - Spray foam insulation air-seals the ceiling-to-drywall seams at the wall top plate.

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Right - Spray foam insulation has been sprayed onto the underside of the sloped roof and the gable end wall to provide a sealed, insulated attic for housing the HVAC ducts

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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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Insulating sheathing is extended up to the roof rafters and sealed around the framing with spray foam as part of this exterior wall retrofit

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Attic Knee Walls

Video

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

Continuous Rigid Insulation Sheathing/Siding (2)

Video

Video describing how to properly install continuous rigid insulation sheathing and siding.

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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Spray Foam Upper Walls Adjoining Unconditioned Attics

Video

Video describing how to insulate skylight shafts and knee walls correctly.

Right – Closed-cell spray foam seals the wall cavities.

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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 Existing Home Case Study: Insulated Siding Retrofit in a Cold Climate, New Paltz, New York

Case Study

Case study describing the application of insulated siding on an existing home.

Vented roof assembly at rake retrofitted with spray foam and additional insulation installed at the attic floor and extended to the rake edge

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Right-- IR photo shows how effectively spray foam insulated/air sealed attic kneewall and the floor cavities under kneewall

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Unvented roof assembly at rake retrofitted with spray foam installed along the underside of the roof deck and extended to the rake edge to insulate and air seal the attic

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The original corner seam is air-sealed with caulk, then rigid foam is installed on the existing garage ceiling and walls, and finally covered with drywall.

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Vented roof assembly at eave retrofitted with rigid foam, spray foam, and fully adhered membrane to air seal the top of wall-to-roof transition

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Unvented roof assembly at rake retrofitted with a filler piece and taped top edge of existing house wrap or building paper to seal the top of wall-to-roof transition

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Technology Solutions Case Study: Stand-Off Furring in Deep Energy Retrofits

Case Study

Case study describing a stand-off furring strategy that minimizes the physical connections to each existing wall stud, uses spray foam to encapsulate existing siding materials (including lead paint), and creates a vented rain screen assembly to promote drying.

Advances in Manufactured Home Energy Efficient Design

Unvented roof assembly at eave retrofitted with rigid foam, spray foam, and taped top edge of existing house wrap or building paper

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Insulate Your Basement, Part 3: Insulate the Walls and Rim Joists

Rigid foam insulating sheathing installed over an existing garage ceiling with retrofits to air seal exterior wall before adding exterior wall insulating sheathing

Right - Spray foam insulation air-seals the ceiling-to-drywall seams at the wall top plate.

Right - Spray foam insulation has been sprayed onto the underside of the sloped roof and the gable end wall to provide a sealed, insulated attic for housing the HVAC ducts

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

Insulating sheathing is extended up to the roof rafters and sealed around the framing with spray foam as part of this exterior wall retrofit

Attic Knee Walls

Continuous Rigid Insulation Sheathing/Siding (2)

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

Spray Foam Upper Walls Adjoining Unconditioned Attics

Right – Closed-cell spray foam seals the wall cavities.

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

Building America Existing Home Case Study: Insulated Siding Retrofit in a Cold Climate, New Paltz, New York

Vented roof assembly at rake retrofitted with spray foam and additional insulation installed at the attic floor and extended to the rake edge

Right-- IR photo shows how effectively spray foam insulated/air sealed attic kneewall and the floor cavities under kneewall

Unvented roof assembly at rake retrofitted with spray foam installed along the underside of the roof deck and extended to the rake edge to insulate and air seal the attic

The original corner seam is air-sealed with caulk, then rigid foam is installed on the existing garage ceiling and walls, and finally covered with drywall.

Vented roof assembly at eave retrofitted with rigid foam, spray foam, and fully adhered membrane to air seal the top of wall-to-roof transition

Unvented roof assembly at rake retrofitted with a filler piece and taped top edge of existing house wrap or building paper to seal the top of wall-to-roof transition

Technology Solutions Case Study: Stand-Off Furring in Deep Energy Retrofits

Advances in Manufactured Home Energy Efficient Design

Wallingford Passive House | Exterior Assembly Details

JM Spider® Drill & Fill Installation Guide

Unvented roof assembly at eave retrofitted with rigid foam, spray foam, and taped top edge of existing house wrap or building paper