Existing Skylights Repaired or Replaced and Fully Flashed Description Guide describing how to repair or replace skylights in existing homes.
Above Deck Rigid Foam Insulation for Existing Roofs Description Guide describing the installation of insulating sheathing above the roof deck on existing homes. This retrofit assembly is appropriate for homes with conditioned attics or where the retrofit is intended to create a conditioned attic.
Roof/Attic to Exterior Wall Air Control Upgrade Description Guide outlining how to retrofit an exterior wall and/or attic to provide continuous air sealing.
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.
Ducts in Raised Ceiling Sections Description Guide describing method for designing and installing ducts in a raised ceiling chase.
Unvented Attic Insulation Description Guide describing methods for insulating an unvented attic along the roof line.
Insulation Installation Achieves RESNET Grade 1 Description Guide describing RESNET Grade 1 level installation of insulation in walls, attics, and floors.