REXTM SynFelt Underlayment

REX™ SynFelt is a high strength woven synthetic roof underlayment that can save you 50% in labor and time expense, compared to 30# felt. Here’s why:

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  • The most slip resistant underlayment in the industry
  • 20 times stronger than felt–won’t tear-off or buckle when wet
  • 10X lighter per square and 20X stronger than 30# felt
  • 10 squares per roll weighing only 28 lbs (250 ft roll)
  • 5 squares per roll weighing only 14 lbs (125 ft roll)
  • UV resistant and can be exposed for up to 6 months
  • Light gray color reduces heat and provides cooler working surface

  • Roll Width: 48 in
  • Roll Length: 125 or 250 lineal feet
  • Weight Per Square: 2.8 lbs
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