Best Adhesives & Sealants — Mid-range (2026)

Pros

• 100% waterproof bond suits indoor and outdoor repairs
• Expanding polyurethane formula fills gaps in porous materials
• Bonds wood, stone, metal, ceramics and more

Cons

• Expands as it cures, so excess needs cleaning up before it sets

Pros

• Non-drip gel formula stays put on vertical surfaces for precise repairs
• Flexible, shock-resistant bond suits wood, rubber, leather and glass
• Anti-clog cap keeps the nozzle usable between repairs

Cons

• Small 4g size means buying multiples for bigger projects