What is the R value of blown-in attic insulation?

By Forinfos - 22/04/2025 - 0 comments

The R-Value of blown-in insulation depends upon how thick of a layer is applied. According to Lowes Home Improvement, customers can count on an R-Value of 3.6 per inch of insulation for cellulose-based blown-in insulation.

If blown-in insulation is compressed too much at any time, then the R-value can be significantly reduced. It is essential that insulation stays fully fluffed up for maximum insulation value. Fiberglass or rock wool loose insulation has a lower R-value, so many people choose cellulose-based blown-in insulation for efficiency. Blown-in insulation is a good choice for areas that are hard to insulate and areas such as attics.

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