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

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

CAD File

Unvented Attic Insulation

Guide

Guide describing methods for insulating an unvented attic along the roof line.

Conceptual insulation at cape-style roof - ceiling and knee wall cavity insulation

Conceptual insulation at cape-style roof - ceiling and knee wall cavity insulation

CAD File

Unvented Attic Insulation (2)

Video

Video describing how to spray foam unvented attics.

Unvented Attic Insulation (1)

Video

Video describing how to spray foam unvented attics.

Spray foam insulation insulates and air seals around plumbing pipes and top plates in the attic.

Spray foam insulation insulates and air seals around plumbing pipes and top plates in the attic.

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Batt insulation is installed in two layers in perpendicular directions against the baffle to full required insulation height

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Installation of Cavity Insulation, Info-501

Reference

Article explaining installing cavity insulation.

Batt insulation is installed in two layers with offset seams against the baffle to full code-required insulation height

Batt insulation is installed in two layers with offset seams against the baffle to full code-required insulation height

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Right - The attic access panel is insulated and weather stripped and a dam is built to hold back the blown attic floor insulation

Right - The attic access panel is insulated and weather stripped and a dam is built to hold back the blown attic floor insulation

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

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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Wrong - This attic access hatch cover is not insulated

Wrong - This attic access hatch cover is not insulated

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Second layer of rigid insulation is adhered with foam

Second layer of rigid insulation is adhered with foam

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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.

Wrap the air-sealed chimney with mineral wool insulation to prevent contact with the warm brick when attic insulation is re-installed around the chimney

Wrap the air-sealed chimney with mineral wool insulation to prevent contact with the warm brick when attic insulation is re-installed around the chimney

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Right - This attic catch cover is insulated with rigid foam

Right - This attic catch cover is insulated with rigid foam

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Attic Air Sealing, Insulating, and Ventilating for Ice Dam Prevention

Information Guide

Information guide describing proper attic air-sealing, insulation, and ventilation to combat ice dam formation on roofs in cold climate zones.

Insulating and Air Sealing Existing Non-ICAT Recessed Lights

Guide

Guide describing how to air seal and insulate a non-ICAT recessed "can" light from an accessible attic in an existing home.

Spray foam insulation used for raised ceiling duct chase

Spray foam insulation used for raised ceiling duct chase

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1 inch exterior insulation sheathing as attic eave baffle and vent

1 inch exterior insulation sheathing as attic eave baffle and vent

CAD File

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 - 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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Air Sealing, Insulating, and Venting Attics and Roofs to Reduce Heat Gain

Information Guide

Information guide providing links to guides describing specific ways to air-seal, insulate, and ventilate attics and roofs to minimize heat gain in new and existing homes.

Air seal and insulate drawer and closet boxes in attic kneewalls

Air seal and insulate drawer and closet boxes in attic kneewalls

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Application of Spray Foam Insulation Under Plywood and OSB Roof Sheathing

Video

Video describing how to air seal attic rafters with spray foam.

Spray foam insulation used for raised ceiling duct chase.

Spray foam insulation used for raised ceiling duct chase.

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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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Right - A wood dam was constructed to hold back the attic floor insulation

Right - A wood dam was constructed to hold back the attic floor insulation

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Wrong – Drop down stairs do not have insulation cover installed

Wrong – Drop down stairs do not have insulation cover installed

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Wrong – Attic access panel does not have an insulation cover installed

Wrong – Attic access panel does not have an insulation cover installed

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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.