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Foundations & Floors


Solution Center Guides


This guide describes IECC 2009 and ENERGY STAR Certified Homes insulation requirements.

Guide describing how to conduct a home performance assessment before beginning retrofit projects in existing homes.

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 with information about how to upgrade a garage ceiling when a portion of the interior of the house is located directly above the attached garage by adding insulation and air sealing.

This guide describes RESNET Grade 1 level installation of insulation in walls, attics, and floors.