Synthetic Roofing Underlayments Stringer EXO50
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Synthetic Roofing Underlayments EXO50 4 ft x 250 ft (Pallet of 35)


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  • 50 year warranty. 
  • CC-ES ESR-3905.
  • Made in the United States.
  • Proprietary non-skid additive on both sides for highest slip resistance.
  • Light gray color reduces heat and provides cooler working surface.
  • 100% polypropylene woven synthetic is stronger than 30# felt – won’t tear off or buckle when wet.
  • Class A Fire Rating as an approved Class A prepared roofing assembly.
  • Light - only 28lbs per roll.
  • 10 squares per roll means fewer rolls to carry on the roof.
  • UV resistant - can be left exposed for up to 6 months.
  • Preprinted nailing pattern and overlap lines to speed installation.
  • Approved and warrantied for use under metal roof coverings.
  • Recommended installation with STINGER® cap tools and cap fasteners, available in collated StaplePac® and NailPac® or HandDrive cap nails.
  • Can save up to 50% in labor cost, compared to 30# felt.
Length 250 ft.
Width 48 in.
Weight Per Square 25 lbs
Brand National Nail
Color Light Gray
Material Type Polypropylene
Warranty 50 year

Est Delivery between and .

Delivery will always take place on a weekday (Mon - Fri).
For information on delivery costs and more view our delivery info page.