Gorilla Heavy Duty Ultimate Construction Adhesive 9 oz. brings unmatched strength and versatility to every job, from subfloors and decks to bath surrounds and masonry repairs. Formulated for instant grab and maximum durability, this heavy-duty, gap-filling adhesive holds in zero seconds and bonds a wide range of materials—wood, drywall, plaster, ceramic, concrete, masonry, foam board and more. 100% waterproof and even works under water, it’s paintable, low-odor and VOC-compliant, making it ideal for both indoor and outdoor applications.

Whether you’re tackling vertical, rough or uneven surfaces, this non-foaming ultimate formula adapts to the task—filling gaps, resisting shrinkage and meeting ASTM C557 and C3498 performance standards. Easy to dispense from a standard caulk gun, it delivers pro-grade results without the mess.

Key Features

• Our most durable formula with higher bond strength than standard heavy-duty adhesives
• Instant grab—holds immediately for hands-free positioning
• 100% waterproof and works under water
• Paintable, low odor, non-foaming, VOC-compliant
• Gap-filling, flexible, shrink-proof
• Bonds wood, drywall, plaster, ceramic, concrete, masonry, foam board and more
• Meets ASTM C557 and C3498 specifications

⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.