Guides A-Z

Guide describing how to apply an air control layer directly over existing wall sheathing and cover with two layers of insulating sheathing held in place by vertical furring strips.

Guide describing insulation techniques for skylight shaft walls.

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

Guide describing how to install spray foam on the exterior of the existing home after framing over the existing siding.

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

Guide describing how to insulate the walls of an existing home with spray foam insulation.

Guide describing how to install stucco over rigid foam insulation in new and existing homes.

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

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.

Guide describing the design and installation considerations for recladding of above grade walls using insulated vinyl siding.

This guide describes how to install a rigid air barrier to walls behind fireplaces.

This guide describes how to install a rigid air barrier to walls behind showers and tubs.

Guide describing how to select and install whole-house ventilation systems for existing homes.

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.

Guide describing how to rehab a window in an existing home.

Guide describing how to replace a window sash in an existing home.

Guide describing how to modify an existing window sash for high-efficient windows.