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Cellulose Insulation - Insulating the Envelope

Cellulose insulation is blown into attics and sprayed into wall cavities of a home to provide thermal and sound barriers. As a result of the installation process, cellulose reduces air leakage since it can be blown into difficult to reach spaces to eliminate gaps and voids. Since it is made primarily of recycled newsprint, it is an environmentally-friendly insulation option. The fibers are impregnated with fire retardant chemicals to make the insulation fire resistant. Spray-applied and loose-fill cellulose have an R-value of 3.7per inch.

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Overview

An overview of the unique benefits of cellulose insulation and how that material is applied. An overview of the unique benefits of cellulose insulation and how that material is applied.

Insulating Walls

Steve Easley and Rick Chitwood cover all the necessary steps to ensure the best R-values when installing cellulose in walls. Steve Easley and Rick Chitwood cover all the necessary steps to ensure the best R-values when installing cellulose in walls.

Insulating Ceilings

Steve Easley and Rick Chitwood discuss the methods and equipment used in blowing cellulose insulation into attics.

* The California Energy Commission does not endorse any products, features or manufacturers. The videos and text on this website are not meant to be all-inclusive. Every effort has been made to provide accurate information in the text and videos. If discrepancies exist between the text/videos and the Energy Efficiency Standards for Residential and Nonresidential Buildings (Standards), the Standards shall take precedence.