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Guides A-Z

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

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.

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

Guide describing how to air seal and insulate a ceiling.

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

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

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

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

Guide describing wind washing and how to prevent it.