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Information guide showing a table adapted from Table R402.1.1 in the 2009 and 2012 IECC and Table R402.1.2 in the 2015 and 2018 IECC (Table N1102.1 in 2009 IRC, Table 1102.1.1 in 2012 IRC, and Table N1102.1.2 in 2015 and 2018 IRC).

Information guide listing Building America Solution Center guides that describe ways to air-seal and insulate a new or existing home's walls to resist heat gain.

Guide describing how to achieve RESNET Grade 1 installation standards, and meet/exceed code using batt insulation in existing walls.

Guide describing methods of installing blown insulation in exterior wall cavities of existing homes with minimal disruption to occupants.

Information guide describing the concept of heat flow in residential buildings.

Guide describing ways to construct wall assemblies in cold climates to minimize the likelihood of condensation formation inside the walls.

Guide describing construction and insulation techniques for double wall framing.

Guide describing how to construct exterior walls with insulated concrete forms.

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

Guide describing common areas of thermal bridging in mass (concrete) and steel-framed multistory buildings and methods and materials for addressing those points of thermal bridging.

Guide describing how to apply an air control layer directly over existing wall sheathing and cover with two layers of insulating sheathing held in place by vertical furring strips.

Guide describing how to upgrade walls that separate the garage from the house by providing a continuous air control layer on the garage side of the wall and adding rigid foam insulation.

Guide describing how to install spray foam on the exterior of the existing home after framing over the existing siding.

Guide describing how to insulate the wall cavities of an existing home with spray foam.

Guide describing how to construct homes with structural insulated panels.

Guide describing how to install stucco over rigid foam insulation in new and existing homes.

Guide describing techniques for installing insulating sheathing as a continuous drainage plane on walls.

Information guide providing R-Values and vapor retarder classifications for common insulation materials.

Guide describing the design and installation considerations for recladding of above grade walls using insulated vinyl siding.

Walls, Windows, and Doors

2009-2021 IECC and IRC Minimum Insulation Requirements for New Homes

Air Sealing and Insulating Walls to Reduce Heat Gain

Batt Insulation for Existing Exterior Walls

Blown Insulation for Cavities of Existing Exterior Walls

Building Science Introduction - Heat Flow

Condensation Control for Walls in Cold Weather

Double Walls for More Insulation

Insulated Concrete Forms (ICFs)

Insulation Installation Achieves RESNET Grade 1

Reducing Thermal Bridging in Mass and Steel-Framed Multifamily Buildings

Rigid Foam Insulation for Existing Exterior Walls

Rigid Foam Insulation Installed Between Existing House and Garage Walls

Spray Foam Insulation Applied over the Siding of Existing Exterior Walls

Spray Foam Insulation for Cavities of Existing Exterior Walls

Structural Insulated Panels (SIPs)

Stucco Over Rigid Foam Insulation

Taped Insulating Sheathing Drainage Planes

Typical R-values and Vapor Retarder Classifications for Common Insulation Materials

Vinyl Siding with Integrated Rigid Foam for Existing Walls

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Walls, Windows, and Doors