EverGuard 1121 TPO Bonding Adhesive, 5 Gal

Contact-type, rubber-based adhesive formulated for bonding TPO single-ply membranes and flashings to roofing substrates. Delivers reliable adhesion to polyisocyanurate insulation and gypsum-based cover boards for adhered TPO roof systems.

Key Features:

• Purpose-Built for TPO: Formulated specifically to bond TPO membranes and flashings to approved substrates
• Contact Adhesive Performance: Rubber-based formula provides strong, consistent adhesion on adhered roof systems
• Substrate Versatility: Suitable for polyisocyanurate insulation and gypsum-based cover boards
• Productivity Coverage: Estimated 50–70 sq ft per gallon (depending on substrate and application)
• Contractor-Friendly Packaging: Supplied in a durable 5-gallon pail for larger jobs

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What substrates can this adhesive bond to?
A: It is designed for TPO membranes and flashings and bonds to polyisocyanurate insulation and gypsum-based cover boards.

Q: How much coverage should I expect?
A: Approx. 50–70 sq ft per gallon, varying by substrate porosity, application method, and conditions.

Q: Is this a contact adhesive?
A: Yes. It is a rubber-based, contact-type bonding adhesive for adhered TPO systems.

Q: What is the color of the adhesive?
A: Amber.

Q: What size container does it come in?
A: A 5-gallon pail.

Quiet Strength for High-Performance Roofscapes

This adhesive is the quiet hero beneath a flawlessly tailored roofscape, delivering steadfast hold without stealing the spotlight. I love its amber tone and clean, purposeful presence—engineered to bond TPO with confidence. Pair it with crisp white TPO membranes and streamlined metal edging for a polished, contemporary silhouette. It’s an essential foundation for a refined, resilient building envelope.

Secure your TPO membrane with the proven bond of EverGuard 1121—add the 5-gallon pail to your cart and build with confidence.