● Adhesives · Review

Gorilla Glue Original

Expands into gaps and porous surfaces during cure - ideal for rough or fibrous plastic

✎ PickHonest Research Desk▦ Updated October 15, 2026◷ 3 min read

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Best Expanding

Gorilla Glue Original

Gorilla

Expands into gaps and porous surfaces during cure - ideal for rough or fibrous plastic

  • Polyurethane formula
  • Expanding foam fill
  • Waterproof
  • Works on wood, plastic, metal

Pros

  • Expands into gaps and porous surfaces during cure - ideal for rough or fibrous plastic
  • Fully waterproof after cure
  • Works on more material combinations than cyanoacrylate

Cons

  • Expansion creates foam that must be trimmed after cure - messy on tight joints
  • Requires moisture to cure - moisten surfaces before applying
  • Lower tensile on smooth non-porous plastic than super glue
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