General
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DescriptionGuide describing compartmentalization in multifamily buildings - the separation of dwelling units from each other and from common areas in terms of air flow.
Ceilings/Attics
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DescriptionGuide describing how to air-seal and insulate a ceiling where the insulation is installed on top of the ceiling (on the attic floor) in a vented attic. -
DescriptionGuide providing guidance on insulating attic eaves in new and existing single-family homes and multifamily buildings. -
Guide:
Wind Washing
DescriptionGuide describing wind washing of insulation in the eaves of vented attics and how to prevent it. -
DescriptionGuide describing how to insulate and air-seal dropped ceilings and soffits to prevent air leakage.
Walls
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DescriptionGuide describing how to install continuous air barriers in exterior walls.
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DescriptionGuide describing construction and insulation techniques for double wall framing. -
DescriptionThis guide describes how to install a rigid air barrier to walls behind showers and tubs. -
Guide:
Walls Behind Fireplaces
DescriptionThis guide describes how to install a rigid air barrier to wall framing behind fireplaces. -
Guide:
Staircase Walls
DescriptionGuide describing how to create a fully aligned air barrier behind a staircase. -
Guide:
Attic Knee Walls
DescriptionGuide describing how to insulate and air-seal attic knee walls and floor joist cavities under knee walls. -
Guide:
Skylight Shaft Walls
DescriptionGuide describing insulation techniques for skylight shaft walls. -
Guide:
Walls Adjoining Porch Roof
DescriptionThis guide describes how to install a rigid air barrier to separate the porch attic from the conditioned space.
Floors and Foundations
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DescriptionGuide describing how to air-seal and insulate the floor above an unconditioned basement or crawl space. -
DescriptionGuide describing how to insulate a floor over an uninsulated basement or crawl space. -
Guide:
Cantilevered Floor
DescriptionGuide describing how to air-seal and insulate a cantilevered floor. -
DescriptionGuide describing the air-sealing of rim joists on walls connecting homes and attached garages. -
Guide:
Floor Above Garage
DescriptionGuide 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.