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
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
EXO25-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