M-D Building Products 43157 M-D Single Garage Door Insulation Kit, 40 Ft L X 22 in W, Silver, White Helps protect radiant heat from escaping your garage Helps keep garage cooler by reflecting 97-percent of the sun-feets radiant energy Includes one 22-inch by 40-feet reflective insulation covering 80 square feet and one 104-feet high quality two sided adhesive tape Easy installation Uses radiant foil insulation