Two-part epoxy fillers

• • Two-part epoxy fillers are the most widely used fillers in the marine industry. They are invariably solvent free. A benefit of being solvent free is that they do not attack the underlying primer.
  • Epoxies must be mixed in the proper ratio. Too much curing agent and they will leave a sticky film on the surface that is not suitable for overcoating. Too little curing agent will weaken the filler and cause it to crumble later on.
  • Epoxy fillers are preferred over polyester fillers below the waterline as polyester fillers have a greater propensity to absorb water.

Dos and Dont's for paint finishes

• • Ensure an even spread by holding the brush at 45 degrees, this minimizes brush marks.
  • The best finish is achieved on large areas by two people, one to apply the paint, the other following immediately behind to smooth the finish.
  • Clean or change brushes every 20 minutes or so.
  • Always use lint-free cleaning cloths.
  • Stir the can occasionally during the work.
  • Dampen the ground with water before commencing painting to avoid any dust rising.
  • Use a worn brush for the final coat, this will ensure less brush marks.
  • Painting is best achieved on warm, dry mornings, cold weather retards drying and dampness will spoil the gloss.
  • Always pour the amount of paint that you expect to use at any one time into a separate container.
  • Always use the good quality china bristles for topside finishes.
  • Always use top quality fine line masking tape to ensure good crisp lines.
  • Never apply direct from the can, as this will introduce contamination

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The information provided here has been reproduced courtesy of Interlux. Wholesale Marine reproduced this information 08/13/2009.