GAF Tri Ply #75 Base Sheet 3.3 ft W x 97.5 ft L 300 sq ft Black Roll Roofing Strip Lights meaning it will be able meaning it will be able to endure damp environments without getting damaged 0 Power Source Electric Application Use Cutting For low slope roofing systems Constructed with a strong glass mat coated on both sides to ensure a closed sheet design to prevent asphalt bleed through Suitable for hot cold applied or mechanically attached applications Extra strength for excellent nail holding ability High tensile strength resists splitting and cracking For applications in all climates Meets ASTM D4601 type II FM approved UL listed