R30 10 x 24 x 48" FF INSUL 88 SQ. FT. & #990455 | R-30 Fiberglass Friction Fit Batts
10" x 24" x 48"
11-pcs. per bundle
88-Sq. Ft. per bundle
"R'' stands for resistance to heat flow. The higher the R-value the greater the insulating power.