AG740 Ultra Tack Adhesive, Hybrid Construction Sealant, 10.5 fl oz, Waterproof, Paintable

Adhesive Guru AG740 Ultra Tack Adhesive is a next-generation hybrid-based sealant and construction adhesive designed for demanding applications. Combining the best properties of polyurethane and silicone technologies, it delivers superior bonding power, waterproof sealing, and UV resistance. It excels not only in securely bonding materials but also in filling cracks and gaps, making it a versatile solution for both adhesion and repair tasks. It offers an initial tack time of just 15-30 seconds, allowing for instant vertical hold-eliminating the need for supports or clamping. While bonded materials cannot be repositioned vertically due to rapid adhesion, slight adjustments on horizontal surfaces can still be made within 1 hour. AG740 fully cures in 24 hours with the help of ambient moisture, forming a durable, paintable, and weather-resistant seal. Suitable for a wide range of applications including kitchen and bathroom installations, wall mounting, natural stone sealing, mirror installation, precast panels, concrete crack filling, drywall and plaster wall repair, siding, roofing, and even underwater repairs. Ideal for both indoor and outdoor use, AG740 delivers high strength performance and long-lasting durability across many construction scenarios.

• Provides rapid bonding with 15–30 seconds initial tack time
• Holds up to 660 lbs; ideal for heavy-duty applications
• Hybrid formula combines benefits of silicone and polyurethane
• Bonds to stone, brick, concrete, marble, granite, aluminum, metal, glass, fiberglass, vinyl, wood, and more
• UV-resistant, waterproof, and suitable for all weather conditions
• Can be used underwater or in constantly damp environments
• Thixotropic formula won’t drip on vertical surfaces
• Paintable after curing, with no yellowing or cracking over time
• Solvent-free, low VOC, and safe for indoor use
• How to Use: 1) Wear protective gloves, clothing, eye protection, and face protection. Ensure all surfaces are clean, dry, and free from dust, oil, and loose particles. 2) Cut the nozzle at a 45° angle to match your desired bead size, and insert the cartridge into a standard caulking gun. 3) Apply the adhesive in a continuous bead onto one of the surfaces. 4) Immediately press the materials firmly together to ensure full contact. Full cure occurs within 24-hours.