Guides A-Z

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 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 air seal and insulate a ceiling.

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

This guides describes buried ducts in loose-fill attic insulation, a method that can only be used in dry climates.

This guide describes approaches to buryng and encapsulating ducts in unconditioned attics to increase the overall R-value of duct insulation.

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 that illustrates how and when to encapsulate ductwork in unconditioned attics, increases the R-value of duct insulation, mitigating condensation issues and reducing air leakage.

Guide describing the advantages and disadvantages of gable roof and hip roofs and how both designs react under high wind loads.

Guide describing how to install insulation below attic platforms

Guide describing how to brace gable end walls to resist wind pressures.

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

Guide describing options for designing and locating the thermal boundary at the attic floor or along the roof line in new and existing homes.

Guide describing wind washing and how to prevent it.