M-D 43157 Garage Door Insulation Kit, 40 ft L, 22 in W, Silver/White

M-D garage door insulation kit uses a radiant foil insulation to help make your garage more comfortable and reduce energy costs in your home. Helps keep your garage warmer in the winter by preventing warm air from escaping through your garage door to help keep your garage and home warmer. Helps keep your garage cooler in the summer by blocking up to 97% of the sun's radiant energy to help keep your garage and home cooler.