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Roofs, Attics & Ceilings - Attics


Solution Center Guides


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

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 duct and flue shafts. 

Guide describing how to air seal around recessed light fixtures. 

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.

Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.

Guide describing how to add spray foam insulation to the underside of the existing roof deck.

Guide describing how to insulate a vented attic in an existing home using blown insulation added to the attic floor.

Information guide describing how to calculate ventilation area in existing roofs.

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 conduct a home performance assessment before beginning retrofit projects in existing homes.

Guide describing how to install insulation below attic platforms

Information guide describing how to assess attics, ceilings and roofs before proceeding with upgrades in existing homes.

Guide outlining how to retrofit an exterior wall and/or attic to provide continuous air sealing.

Guide describing insulation techniques for skylight shaft walls.

Guide describing how to apply spray foam insulation to ceilings in existing homes.

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 how to re-roof an existing home with a sloped roof.

Guide describing wind washing and how to prevent it.