Do it Best® Fiberglass Insulation
Reduce heating and cooling costs by increasing the insulating value of walls, ceilings, and floors. Keep your house warmer in the winter and cooler in the summer. Adding insulation is the most cost effective way to reduce your energy costs. Easy, DIY installation. Precut batt. This product is Greenguard certified.No. GT119: 15 IN x 94 IN; R13 Kraft 88.12 sq. ft., thickness; 3-5/8 IN
No. GT121: 15 IN x 94 IN; R19 Kraft 48.96 sq. ft., thickness; 6-1/2 IN