High Temperature, Premium self-adhered and self-healing underlayment membrane creating a continuous water shield protection layer for your roof surface.
Water vapor permeance: ASTM E96 - 0.03 Perms
Nail Sealability: AAMA 711-05, ASTM D1970 - Pass
Lap Sealability: ASTM D1970 - Pass
Thermal Stability: ASTM D1970 - Pass
Low Temperature Flexibility: ASTM D1970, D1204 - Pass
Adhesion to Plywood (75 degrees Fahrenheit): ASTM D1970, D903 - 72 pounds/ft (1500 N/m)
Maximum Load Breaking Strength: ASTM D1970, D2523 - MD 1200 pounds/ft, XMD 1080 pounds/in
Tear Resistance: ASTM D1970, D4073 - MD 1404 pounds/in, XMD 1272 pounds
Fire Rating: ASTM E108 - Class A under asphalt shingles