West System G/Flex 650 Epoxy Adhesive, 2 x 4 oz | Toughened & Flexible | Bond wood, metal, and fiberglass with lasting strength using this toughened, flexible marine-grade epoxy adhesive.

Toughened structural epoxy for permanent bonds – WEST SYSTEMG/flex 650 epoxy is a toughened, liquid structural epoxy resin designed for long-lasting, waterproof bonding in demanding repair and fabrication applications.

Reliable adhesion to difficult materials – This G/flex epoxy bonds fiberglass, metals, ceramics, plastics, and hard-to-bond woods that often challenge conventional epoxy resin systems.

Performs in marine and cold conditions – Adheres to damp wood and wet surfaces and can be applied underwater using proper techniques, making it well suited for marine epoxy repairs and cold weather epoxy use.

Flexible formulation resists bond failure – Unlike rigid epoxy resin kits, G/flex epoxy allows controlled flex to improve peel strength and impact resistance where movement or vibration is expected.

Complete epoxy and hardener system – Supplied as a two-part Made in the USA WEST SYSTEMepoxy resin and hardener, G/flex 650 delivers predictable mixing and performance backed by WEST SYSTEMtechnical expertise.