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Roofs, Attics & Ceilings


Solution Center Guides


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

This guide describes IECC 2012 and DOE Zero Energy Ready Home insulation requirements.

Guide describing how to correctly air seal a wall with missing top plates or open wall cavities. 

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

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

Guide describing how to air seal bathroom and kitchen exhaust fans.

Guide describing ways to seal drywall to the top plate of an exterior wall to air seal the wall cavity.

Guide describing how to air seal duct and flue shafts. 

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 around recessed light fixtures. 

Guide describing how to air seal a whole-house fan system.

Guide describing a method for insulating an unvented attic by spraying foam insulation along the underside of the roof deck.

Guide providing information about constructing a roof with full insulation at the eaves, and insulating eaves in existing homes.

This guides describes how to insulate and air seal attic knee walls and floor joist cavities under knee walls.

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

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

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

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

Guide describing how to air seal and insulate a ceiling.

Guide describing options for designing/locating the thermal boundary in new and existing homes.

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

Guide describing method for installing ducts in a duct chase above a dropped ceiling.

Guide describing method for designing and installing ducts in a raised ceiling chase. 

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 the installation of gutters, downspouts, and alternate options for managing rainwater run-off from roof.

Guide describing how to install insulation below attic platforms

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

Guide describing how to correctly choose building materials.

Guide describing ways to reduce access to bugs, rodents and other pests through openings in a home.

Guide describing how to apply heavy membranes at eaves in cold climates to help guard against ice dams.

Guide describing insulation techniques for skylight shaft walls.

Guide describing how to install step and kick-out flashing on roofs.

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

This guide describes how to install a rigid air barrier to separate the porch attic from the conditioned space. 

Guide describing wind washing and how to prevent it.