Introducing STINGER EXOSTK: Peel & Stick Underlayment for Ultimate Roof Protection
A strong roof doesn't start with shingles—it starts with what's underneath. Beneath every durable, long-lasting roof is an underlayment built to shield against water, wind, and ice. That's why STINGER developed EXOSTK, a premium series of peel-and-stick underlayment designed to raise the bar on performance, protection, and reliability. Engineered for roofers, trusted by homeowners, and proven in the toughest conditions, EXOSTK ensures every roof is built to last.
Why Choose EXOSTK?
Roofing underlayment is the first line of defense between your roof deck and the elements. EXOSTK combines robust adhesive compounds with durable surfaces that stand up to the toughest conditions, ensuring your roof is protected season after season.
Key benefits include:
- High-Temperature Resistance: Withstands up to 235°F, making it ideal under any roofing material.
- Superior Adhesion: Self-adhering compounds create a secure bond for lasting performance.
- Moisture Defense: Self-sealing technology ensures nail penetrations stay watertight.
- Walkability & Safety: Anti-slip surfaces provide stability for roofers, even on steep slopes.
The EXOSTK Lineup
The EXOSTK series has a solution tailored to your roofing needs.
EXOSTK 40MIL - Peel & Stick Fabric Underlayment
- High-temp resistance up to 235°F
- Approved under all types of roofing materials
- Extremely durable and can withstand harsh weather conditions
- Self-sealing for nail penetrations
- Bitumen seam locks for watertight performance
- Polypropylene mat surface for anti-slip walkability
- Backed by a Limited Lifetime Warranty
EXOSTK 48MIL - Peel & Stick Fabric Underlayment
- Same premium features as 40MIL: self-sealing and watertight seams
- Slightly thicker for enhanced durability and protection
- High-temp resistance up to 235°F
- Polypropylene surface for grip and stability during installation
- Backed by a Limited Lifetime Warranty
EXOSTKG 52MIL - Peel & Stick Granulated Underlayment
- Rugged granulated surface for superior grip on steep slopes
- High-temp resistance up to 235°F
- Excellent defense against water infiltration and ice dams
- Self-sealing technology for nail penetrations
- Enhanced walkability and durability under harsh weather
- Backed by a Limited Lifetime Warranty
Built for Roofers. Built to Last.
With EXOSTK, every detail is designed to make the roofer's job easier and the homeowner's investment stronger. Easy installation, superior adhesion, safe, and unmatched weather defense all add up to one thing: a roof that's ready for anything.
So when it comes to protecting what matters most, don't just look at the surface. Start with the layer that does the heavy lifting. Choose EXOSTK—because lasting protection begins underneath.