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Insulated sheathing has been taped and sealed at seams

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Controlling Cold-Weather Condensation Using Insulation, BSD-163

Reference

Article describing research encouraging use of exterior insulation to warm interior sheathing surfaces in walls and roof assemblies to reduce the likelihood of condensation during cold weather

Wrong--No insulation installed behind fireplace

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Install Top Plates or Blocking at the Top of Walls Adjoining Unconditioned Spaces

Guide

Guide describing how to correctly air-seal a wall with missing top plates or open wall cavities.

Inset band joist at mudsill - 1 1/2 inch rigid insulation

CAD File

Wrong – Rigid insulation is being installed without cap nails

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Below Deck Spray Foam Insulation for Existing Roofs

Guide

Guide describing how to add spray foam insulation to the underside of the existing roof deck as part of the conversion of a vented attic to an unvented, insulated attic.

Batt Insulation for Existing Vented Attics

Guide

Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.

Install insulation and an air barrier around skylight shafts.

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Right – Insulation properly installed before air barrier

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Right – Gap in framing will allow corner to be filled with insulation

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Wrong – No rigid backing was installed on the attic knee wall.

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Blown Insulation for Existing Vented Attic

Guide

Guide describing how to insulate a vented attic in an existing home using blown insulation added to the attic floor.

An insulated spline is another option for avoiding thermal bridging at SIP panel seams

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Right – Top and bottom plates were installed prior to backing and insulation.

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Advanced framing details include insulated headers over windows and doors.

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Right – Verify two member headers with rigid insulation between are installed

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Right – Verify single member headers with insulation on one side are installed

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Rigid foam is installed behind the brick veneer, at the slab edge and perimeter, and down the interior of the stem wall to thermally isolate the concrete floor slab from the stem wall

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Wrong – Rigid air barrier not installed to hold insulation in place

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Right – Rigid air barrier is installed to hold insulation in place

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Expanded polystyrene insulation is installed with joints taped and lath attached in preparation for the application of stucco

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Thermal bridging is eliminated at the rim joist with the use of joist ledgers that are anchored in the wall

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Spray Foam Insulation Applied to Existing Attic Floor

Guide

Guide describing how to apply spray foam insulation to the floor of the attic in existing homes.

Increase Seismic Resistance and Thermal Performance of Basement, Crawl Space, and Crawl Space with Cripple Wall Foundations

Guide

Guide describing different options for providing seismic and thermal resistance for homes with basement foundations, crawlspace foundations, or crawlspace foundations with a "cripple" wall.

Right – Insulation meets RESNET Grade I prior to air barrier installation

Rigid foam insulated sheathing placed exterior to house wrap, interior to house wrap, or take the place of the house wrap

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Insulated sheathing has been taped and sealed at seams

Controlling Cold-Weather Condensation Using Insulation, BSD-163

Wrong--No insulation installed behind fireplace

Install Top Plates or Blocking at the Top of Walls Adjoining Unconditioned Spaces

Inset band joist at mudsill - 1 1/2 inch rigid insulation

Wrong – Rigid insulation is being installed without cap nails

Below Deck Spray Foam Insulation for Existing Roofs

Batt Insulation for Existing Vented Attics

Install insulation and an air barrier around skylight shafts.

Right – Insulation properly installed before air barrier

Right – Gap in framing will allow corner to be filled with insulation

Wrong – No rigid backing was installed on the attic knee wall.

Blown Insulation for Existing Vented Attic

An insulated spline is another option for avoiding thermal bridging at SIP panel seams

Right – Top and bottom plates were installed prior to backing and insulation.

Advanced framing details include insulated headers over windows and doors.

Right – Verify two member headers with rigid insulation between are installed

Right – Verify single member headers with insulation on one side are installed

Rigid foam is installed behind the brick veneer, at the slab edge and perimeter, and down the interior of the stem wall to thermally isolate the concrete floor slab from the stem wall

Wrong – Rigid air barrier not installed to hold insulation in place

Right – Rigid air barrier is installed to hold insulation in place

Expanded polystyrene insulation is installed with joints taped and lath attached in preparation for the application of stucco

Thermal bridging is eliminated at the rim joist with the use of joist ledgers that are anchored in the wall

Spray Foam Insulation Applied to Existing Attic Floor

Increase Seismic Resistance and Thermal Performance of Basement, Crawl Space, and Crawl Space with Cripple Wall Foundations

Right – Insulation meets RESNET Grade I prior to air barrier installation

Right – Insulation installed behind fireplace prior to air barrier installation

Proper flashing around windows is especially important when the rigid foam serves as the drainage plane in the wall

Wrong – Conventional T-post detail is extremely difficult to insulate and usually doesn't happen

Rigid foam insulated sheathing placed exterior to house wrap, interior to house wrap, or take the place of the house wrap