Watch Fine Homebuilding contributing editor Mike Guertin increase the R-value in an attic from R-15 to R-40 with blown-in fiberglass insulation. Mike uses Owens Corning’s AttiCat system to add approximately 9 in. of insulation between the attic ceiling joists. This short video includes tips on everything from safety gear to achieving an even distribution of fiberglass throughout the space.
To learn how Mike further sealed his attic, read Attic Insulation Upgrade.
Video by: Charles Bickford and John Ross
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