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Quick Guide: G/flex Epoxy Adhesive

G/flex is an excellent boat repair material. It’s a two-part epoxy that adheres to and bonds well on many different materials, including Hypalon®, PVC, most metals, wood, fiberglass and many plastics — even ones that are hard to glue, like polyethylene.

It makes a tough, waterproof repair that is more flexible than other epoxies. Bonds can absorb the stresses of expansion, contraction, shock, and vibration without separating.

G/flex Epoxy Repair Kit — 650-K

  • Mixed G/flex 650 has a “heavy syrup” consistency that will run off a vertical surface.
  • It works well in repairs where you want a more liquid material, like when making a repair with fiberglass cloth.
  • The kit comes with 4 oz. each of resin and hardener, mixing applicators, two 12-cc syringes, colloidal silica for thickening, alcohol cleaning pads, disposable gloves and mixing cups.
  • You can also purchase just the 4 oz. bottles of resin and hardener.
  • Detailed repair instructions

G/flex Epoxy Repair Kit — 655-K

  • Mixed G/flex 655 is of a "mayonnaise" consistency. It's still very spreadable but stays put where it is applied.
  • The kit comes with 4.5 oz. each of resin and hardener, mixing applicators, disposable gloves and alcohol cleaning pads.
  • Detailed repair instructions

Other G/flex Resources: