Gator-Skin
Synthetic Roof Underlayment
Gator-Skin Synthetic Roof Underlayment is a high quality roofing underlayment designed to shed water off your roof and away from your home. It provides a secondary layer of protection against wind, moisture, and other elements and replaces the use of #15 and #30 organic roofing felt under asphalt shingles, residential metal and cedar shake roofing materials. Gator-Skin is manufactured using a three layer construction that won’t tear or wrinkle like traditional products, even when soaking wet. It’s tough and durable composition can withstand desert heat, pouring rains, high winds and ice and snow! It also utilizes Safe-Step Technology which is designed to provide enhanced traction and walkability. Gator-Skin is the ideal underlayment for professional roofing contractors that demand performance.
Technical Data
| Permeability ASTM E96 | 0.05 Perms |
| Water Transmission ASTM D4869 | Pass |
| Tear ASTM D4533 | MD 32 lb I CD 26 lb (12 kg) |
| Tensile ASTM D751 | MD 65 lb | CD 60 lb (27 kg) |
| Burst Strength ASTM D751 | 130 psi (897 kPa) |
| Elongation ASTM D751 | MD 40% | CD 40% |
| Weight per Square ASTM D5261 | 2.24 lb (1.01 kg) |
| Nominal Thickness ASTM D1777 | 7 mils (0.018 mm) |
| Temperature Range | -40 ˚F TO 240 ˚F (-40 ˚C TO 115 ˚C) |
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why you will love it
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Exceeds Performance Requirements of ASTM D4869 & ASTM D226
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High Traction, Safe-Step Technology
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Wrinkle Free Surface, Even When Wet
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Won’t Tear or Rip Like Organic Felts
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Cooler Working Surface
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Enhanced UV-120 Day Exposure
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