Air Sealing/Insulation | Building America Solution Center

2009 and 2012 IECC Code Level Insulation – ENERGY STAR Requirements

This guide describes IECC 2009 and 2012 and ENERGY STAR Certified Homes insulation requirements.

2015 IECC Code Level Insulation – DOE Zero Energy Ready Home Requirements

This guide describes IECC 2015 and DOE Zero Energy Ready Home insulation requirements.

Air Sealing Attic Access Panels/Doors/Stairs

Guide describing how to air-seal attic access panels, doors, and stairs to provide a continuous air barrier at the ceiling.

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

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.

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

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

Attic Eave Minimum Insulation

Guide providing guidance on insulating attic eaves in new and existing single-family homes and multifamily buildings.

Attic Knee Walls

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

Attic Radiant Barriers

Guide describing application of a radiant barrier layer in the attic to block radiant heat transfer between hot surfaces and heat-absorbing surfaces.

Continuous Rigid Insulation Sheathing

Guide describing continuous rigid insulation installation procedures to reduce thermal bridging and help provide thermal protection.

Dropped Ceiling/Soffit Below Unconditioned Attic

Guide describing how to insulate and air-seal dropped ceilings and soffits to prevent air leakage.

Ducts Buried in Attic Insulation

Guide describing buried ducts in loose-fill attic insulation, a method that can only be used in dry climates.

Ducts Buried in Attic Insulation and Encapsulated

Guide describing approaches to burying and encapsulating ducts in unconditioned attics to increase the overall R-value of duct insulation.

Insulation Below Attic Platforms

Guide describing how to install insulation below attic platforms

Insulation Installation Achieves RESNET Grade 1

Guide describing RESNET Grade 1 level installation of insulation in walls, attics, and floors.

Managing Indoor Humidity and Ventilation in Cold Weather

Guide describing steps to take to minimize indoor humidity in preparation for cold winter weather.

Unvented Attic Insulation

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

Unvented Insulated Sloped Roofs

Guide describing construction of sloped roofs that are unvented and are insulated above the roof deck.

Wind Washing

Guide describing wind washing and how to prevent it.

Roofs, Attics & Ceilings -
Air Sealing/Insulation

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