Perforated Radiant Barrier Super R Plus Reflective Insulation Ag Barrier - All SizesSuper R Plus Ag Barrier reflective insulation is an ideal replacement for fiberglass in an agricultural setting. Super R Plus Ag Barrier reflective insulation minimizes the Black Globe effect" and lessens the amount of food and water needed to feed chickens, turkeys, hogs and other livestock. And, according to the US Dept. of Agriculture, animals will develop faster and be less prone to illness. Size Sq Ft Per Roll 48" x 125' 500 Sq Ft 48" x 250' 1000