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 5070 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. 5070 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 presenceengineered to bond TPO with confidence. Pair it with crisp white TPO membranes and streamlined metal edging for a polished, contemporary silhouette. Its an essential foundation for a refined, resilient building envelope.
Secure your TPO membrane with the proven bond of EverGuard 1121add the 5-gallon pail to your cart and build with confidence.