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Foundations & Floors


Solution Center Guides


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

Guide describing how to insulate a basement to improve the overall thermal performance of the building and provide more dry, usable conditioned space for home occupants and for HVAC equipment.

Guide describing ways to air seal an attached garage in new and existing homes.

Guide describing how to air seal electrical wiring throughout a home.

Guide describing how to air seal the gap between the drywall shaft wall (i.e., common wall) and the structural framing between units in multifamily housing.

Guide describing how to air seal around plumbing and other piping.

Guide describing how to air seal sill plates in new and existing homes.

Information guide providing background information about air flow in residential buildings.

Information guide providing background information about moisture flow in residential buildings.

Guide describing how to air seal and insulate a cantilevered floor.

Guide describing how to create an air barrier between the garage and the conditioned space above it to prohibit pollutants from entering a home's interior.

Guide describing how to air seal and insulate the floor above an unconditioned basement or crawl space.

Guide describing the air sealing of rim joists on walls connecting homes and attached garages.

This guide describes RESNET Grade 1 level installation of insulation in walls, attics, and floors.

Guide describing how to insulate slabs on grade in climate zones 4 and higher.