EXO SYNTHETIC UNDERLAYMENTS

STINGER offers three ICC-Certified synthetic underlayments - EXO50, EXO35, and EXO25. EXO Underlayments join our market-leading STINGER cap fastening technologies to create a moisture management system for the roof that you and your customers can trust. And with non-skid additives for slip resistance, they’re safer than ever to install.

  • ICC-ES ESR-3905
  • Made in USA
  • Approved for use with metal roofing
  • UV resistant - can be exposed for up to 6 months
  • 100% polypropylene synthetic woven fabric offers high tear strength
  • Preprinted nailing pattern and overlap lines to speed installation
  • Co-branding available
  • Recommended installation with STINGER® cap tools and cap fasteners, available in collated StaplePac® and NailPac® or HandDrive cap nails.
  • Class A Fire Rating as an approved Class A prepared roofing assembly

Underlayment Guide

EXO50

PREMIUM SYNTHETIC UNDERLAYMENT

50 YEAR WARRANTY

  • Proprietary non-skid additive on both sides for highest slip resistance.
  • Light gray color reduces heat and provides cooler working surface.
  • Class A Fire Rating as an approved Class A prepared roofing assembly.
  • Light - only 25lbs per roll.
  • 10 squares per roll means fewer rolls to carry on the roof.
  • Can save up to 50% in labor cost, compared to 30# felt.
Meets or exceeds requirements for ASTM D226 Type I & II

EXO Installation Instructions / Warranty
EXO Instalacion/Garantia Limitda
EXO50 Sell Sheet

EXO35

SPUN BOND MULTI-PLY UNDERLAYMENT

35 YEAR WARRANTY

  • Slip resistant spun bond walking surface for added safety; proprietary non-skid additive on underside for better roof deck contact.
  • Absorbant top layer reduces water on walking surface.
  • Light gray color reduces heat and provides cooler working surface.
  • Light - only 20lbs per roll.
  • 10 squares per roll - fewer rolls to carry on the roof.
Meets or exceeds requirements for ASTM D226 & D4869

EXO Installation Instructions / Warranty
EXO Instalacion/Garantia Limitda
EXO35 Sell Sheet

New CS150B StampEXO25-SB

SYNTHETIC UNDERLAYMENT

25 YEAR WARRANTY

  • Grey spunbond non-woven fabric surface walking surface.
  • Slip resistant back surface for added installation safety.
  • 100% synthetic woven roof underlayment.
  • Light - only 18lbs per roll.
  • 10 squares per roll - fewer rolls to carry on the roof.
Meets or exceeds requirements for ASTM D226 Type I & II

EXO Installation Instructions / Warranty
EXO Instalacion/Garantia Limitda
EXO25-SB Sell Sheet