
GAF EverGuard 1121 TPO Bonding Adhesive, Amber — 5 Gallon Pail
Regular price $176.78EverGuard 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:
| Specification | Details |
|---|---|
| Product Name | EverGuard 1121 TPO Bonding Adhesive |
| Brand | GAF |
| Color | Amber |
| Packaging | 5 Gallon Pail |
| Coverage Area | 50 to 70 sq. ft. per gallon |
| Application | Contact-type adhesive for bonding TPO single-ply membranes and flashings |
| Compatible Substrates | Polyisocyanurate insulation; gypsum-based cover boards |
| Material Base | Synthetic polymer; rubber-based |
| System Use | TPO roof systems |
| Unit of Measure | PL |
| Item Weight | 36 lb |
| SKU / Material Number | 465632 |
| Manufacturer Number | 7780OOM |
| Product Number | GAFTBA5AMB |
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.
All third party trademarks, including logos and icons, referenced on our website and product pages remain the property of their respective owners. Unless specifically identified as such, Arbor's use of third party trademarks does not indicate any relationship, affiliation, sponsorship, or endorsement between Arbor Home and the owners of these trademarks. Any references by Arbor Home to third party trademarks are to identify the corresponding third party goods.