Guide describing how to achieve RESNET Grade 1 installation standards, and meet/exceed code using batt insulation in existing walls.

Guide describing methods of installing blown insulation in exterior wall cavities of existing homes with minimal disruption to occupants.

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 how to upgrade walls that separate the garage from the house by providing a continuous air control layer on the garage side of the wall and adding rigid foam insulation.

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

Guide describing how to insulate the wall cavities of an existing home with spray foam.

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