R11 3-1/2 x 15 x 93" KF INSUL 155 SQ. FT. | R-11 Fiberglass Kraft Faced Batts
3-1/2" x 15" x 93"
16-pcs. per bundle
155-Sq. Ft. per bundle
"R'' stands for resistance to heat flow. The higher the R-value the greater the insulating power.