Polyken 100D/NAT136 100D Premium Double Coated Carpet Tape: 1" x 36 yd, Natural Carrier/backing: cloth. Adhesive: rubber Thickness: 15 mils (carrier, adhesive, liner) 13 mils (carrier, adhesive) 2 mils (liner) Adhesion: 45 ounces per inch (to stainless steel test panel). tensile strength: 30 pounds per inch (longitudinal). tack: 75 inches (rolling ball) Certifications: leed - contributes toward satisfying eq credit 4.1 Release liner: polyethylene film (ldpe)