FLEX GLUE is a super strong, waterproof adhesive designed to bond, seal, and repair virtually any surface with instant grab technology. This rubberized formula works on both dry and wet surfaces, including underwater applications, making it ideal for pools, showers, bathrooms, and outdoor projects where moisture resistance is essential. The thick consistency won’t run or drip, allowing you to apply it to vertical and overhead surfaces without braces or support in most cases.
Whether you’re tackling home repairs, roof and siding work, tile and bath fixes, furniture restoration, or auto and boat projects, FLEX GLUE delivers a flexible, durable bond that won’t shrink or crack. Unlike water-based or solvent-based alternatives that can shrink up to 40%, this formula maintains its integrity. The adhesive cures in 24-48 hours and reaches maximum strength in 7 days, creating a protective barrier resistant to mold, mildew, UV exposure, and weathering.
Features and Benefits
- Instant Grab Technology: Strong hold that locks objects in place and eliminates the need for braces in most applications.
- Super Thick Formula: Won’t run, drip, or sag when applied to vertical or overhead surfaces.
- All-Surface Bonding: Works on metals, wood, foam, rubber, tile, ceramic, marble, glass, granite, brick, concrete, PVC, fiberglass, vinyl, composites, and more.
- Waterproof and Flexible: Remains flexible, resists shrinking and cracking, and functions underwater and in wet conditions.
- Weather and Mold Resistant: UV resistant with protection against mildew and weathering for long-lasting outdoor performance.
- Low Odor and Eco-Friendly: Solvent-free, VOC compliant, paintable, and suitable for professional and DIY use.
Specifications
- Brand: Flex Glue
- Model: GFSCLRR09
- Size: 9 oz cartridge
- Color: Clear
- Format: Cartridge for use with standard caulking gun (not included)
- Cure Time: 24-48 hours; maximum strength in 7 days
- Properties: Waterproof, solvent-free, VOC compliant, paintable, UV resistant
How to Use
- Application: Load into a standard caulking gun and apply directly to surfaces. Works on dry, wet, or underwater surfaces.
- Curing: Cures in 24-48 hours; allow 7 days for maximum strength before heavy use.








