Innoflex Synthetics

STORMFLEX ELITE

STORMFLEX ELITE™ is a premium grade, 20 mil mechanically fastened synthetic roof underlayment engineered to deliver enhanced durability and long-term protection for steep-slope roofing systems.

STORMFLEX ELITE™ is designed for use under asphalt shingles, concrete and clay tiles, all metal panels, synthetic shingles and primed cedar shakes. STORMFLEX ELITE™ meets all the code requirements including ASTM D226, ASTM 48D69 and AC 188 as required by ICC-ES.

Features & Benefits

  • Superior traction surface combined with slip resistant bottom coating provides unmatched walkability in dry, wet, or cold conditions.
  • All weather performance (-40F to 240F)
  • Eco-Smart Construction: 100% Recyclable Polypropylene Base
  • Extended UV Exposure Rating: 180 days
  • Limited Lifetime Warranty
  • Meets/Exceeds: ASTM  D4869: ASTM D226 Type I & II: ASTM D8257: CAN/CSA-A220.1
  • Custom Dual Logo Printing Available
Roll SpecificationsTypical Values
Roll Width48” / 1.22 m
Roll Length250’ / 76.2 m
Roll Weight35.0 lb / 15.9 kg
Roll Size10 sq / 93 m2
Rolls/Pallet/Truck36 / 1692 rolls
Test / StandardTypical Values
Tensile Strength (ASTM D5034)MD 141 lb (64.0 kg) | CD 127 lb (57.6 kg)
Tear Strength (ASTM D4533)MD 29 lb (13 kg) | CD 24 lb (11 kg)
UV Exposure (ASTM D8257)180 Days
Liquid Water Transmission ASTM D4869Pass
Temperature Range-40°C to 115°C / -40°F to 240°F