Double/Bubble® - Purple Wet Surface patch Epoxy | 04003



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Hardman's Double/Bubble® Wet Surface Patch Epoxy

  • Description: A gap-filling adhesive for use in damp or moist environments. Cures and bonds under water. Bonds to stone, concrete, metal, glass, china, wood, and fiberglass.
  • Typical uses: Wet crack sealant and plumbing patch. For repair of gutters, battery cases, and boats. Excellent adhesive for use with fiberglass tape.
  • Work time: 25 minutes
  • Handling strength: 5 hours
  • Color: Gray
  • Viscosity:  Heavy syrup
  • Part Number: 04003

HARDMAN Wet-Surface-Patching Epoxy is a two–component, room-temperature cure epoxy system designed as a wet surface patching or gap-filling adhesive. A unique feature of the system is that it will adhere to wet surfaces and set underwater. It can be used with fiberglass tape as a bonding and has good resistance to exterior exposure. The system contains no solvents and is virtually non–shrinking.

HARDMAN Wet-Surface-Patching Epoxy is recommended for the following substrates

  • Metal
    • Stainless Steel
    • Aluminum
  • Plastics
    • Phenolic
    • Fibreglass

  • Stone
  • Glass

HARDMAN Wet-Surface-Patching Epoxy can be used as a wet crack sealant and plumbing patch. It can also be used to repair gutters, battery cases, and boats. It is an excellent adhesive for use with fiberglass tape.


The DOUBLE/BUBBLE package is a handy, dual-pouch, one shot, job-size packaging concept. It reduces the waste typically associated with using larger quantities of two-component adhesives. This unique packaging ensures that DOUBLE/BUBBLE adhesives are always factory fresh and accurately portioned for optimum adhesive performance.

Directions for Use

The surface must be clean and dry before application. Remove all chemicals, dirt, wax, and oil.

Double/Bubble Directions - Fold, Snip, Squeeze, Mix and Apply

Fold the DOUBLE/BUBBLE package along the center seal, snip the end, squeeze out the contents, mix thoroughly, and apply. 


Store DOUBLE/BUBBLE adhesives at room temperature in a dry environment. Extreme low temperatures may cause crystallization. Extreme high temperatures may degrade the properties.

Various cleaning solutions are available for cured and uncured epoxies and polyurethanes. 


These materials are intended for commercial and industrial use only, and good housekeeping, safety, and cleanliness should be followed before, during, and after use.

Although the system contains low-volatility materials, care should be taken in handling. Use adequate ventilation in the work area.

These materials may cause dermatitis in susceptible individuals. Keep off the skin and out of the eyes. In case of accidental skin contact, wash thoroughly with soap and water. In case of eye contact, flush your eyes thoroughly with water and consult a physician immediately.