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Guides A-Z

Guide describing how to insulate a basement to improve the overall thermal performance of the building and provide more dry, usable conditioned space for home occupants and for HVAC equipment.

This guides describes how to insulate and air seal attic knee walls and floor joist cavities under knee walls.

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

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

This guide describes installation procedures for continuous rigid insulation to help provide thermal protection, reduce thermal bridging and provide a moisture barrier. 

Guide describing how to upgrade a wall with a floor overhang (or cantilever) on an existing home by adding rigid insulating sheating and or closed-cell spray foam insulation and air sealing.

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

Guide describing insulation techniques for skylight shaft walls.

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 walls of an existing home with spray foam insulation.

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

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