Adding Blown-in Fiberglass Insulation
Increasing the R-value of your attic insulation
Less dusty than cellulose, blown-in fiberglass increases R-value and installs quickly.
Watch Fine Homebuilding contributing editor Mike Guertin increase the R-valueMeasure of resistance to heat flow; the higher the R-value, the lower the heat loss. The inverse of U-factor. 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
May 5, 2015 6:10 PM ET