Guides A-Z

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

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

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 as part of the conversion of a vented attic to an unvented, insulated attic.

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

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

Guide describing how to insulate slabs on grade in climate zones 3 and higher.

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.

Guide describing the types of whole-house fans, installation details to reduce energy loss, and how to operate them for comfort and energy savings based on climate zone.

Guide describing wind washing and how to prevent it.