Air Sealing and Insulating Ceilings Description Guide describing how to air seal and insulate a ceiling.
Air Sealing Bathroom and Kitchen Exhaust Fans Description Guide describing how to air seal bathroom and kitchen exhaust fans.
Air Sealing Drywall to Top Plate Description Guide describing ways to seal drywall to the top plate of an exterior wall to air seal the wall cavity.
Attic Eave Minimum Insulation Description Guide providing information about constructing a roof with full insulation at the eaves, and insulating eaves in existing homes.
Attic Radiant Barriers Description Guide describing application of a radiant barrier layer in the attic to block radiant heat transfer between hot surfaces and heat-absorbing surfaces.
Dropped Ceiling/Soffit Below Unconditioned Attic Description Guide describing how to insulate and air seal dropped ceilings and soffits to prevent air leakage.
Ducts Buried in Attic Insulation Description This guides describes buried ducts in loose-fill attic insulation, a method that can only be used in dry climates.
Ducts Buried in Attic Insulation and Encapsulated Description This guide describes approaches to buryng and encapsulating ducts in unconditioned attics to increase the overall R-value of duct insulation.
Ducts in Dropped Ceilings Description Guide describing method for installing ducts in a duct chase above a dropped ceiling.
Ducts in Raised Ceiling Sections Description Guide describing method for designing and installing ducts in a raised ceiling chase.
Install Top Plates or Blocking at the Top of Walls Adjoining Unconditioned Spaces Description Guide describing how to correctly air seal a wall with missing top plates or open wall cavities.
Insulation Below Attic Platforms Description Guide describing how to install insulation below attic platforms
Unvented Attic Insulation Description Guide describing methods for insulating an unvented attic along the roof line.
Vented versus Unvented Attic Description Guide describing options for designing and locating the thermal boundary at either the attic floor or along the roof line in new and existing homes.