Pettit Prop Coat Barnacle Barrier 1792
Pettit Z-Spar Pettit Z-Spar
  • Pettit Prop Coat Barnacle Barrier 1792

Pettit Prop Coat Barnacle Barrier

Pettit Prop Coat Barnacle Barrier 1792 is specifically designed to be used on bare metals such as steel, stainless steel, cast iron, copper, bronze, galvanized steel and lead, both above or below the waterline. Prop Coat forms an excellent adhesive bond to underwater metals and running gear and inhibits corrosion on these surfaces. Properly applied, Pettit Prop Coat Barnacle Barrier yields a smooth, hard surface that self-cleans under way.

Do not apply anti-fouling paint over Prop Coat. For metal above the waterline apply one (1) coat of Pettit 6627 Tie-Coat Primer after the Prop Coat has dried for 2 hours. Follow with two (2) coats of Pettit Easypoxy Enamel. The dried film of Prop Coat contains 93 percent pure zinc.

Choose from 16 oz. Aerosol spray or Quart can.

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$24.99 / cn
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Tech Spec Product Info User Generated Content

Paint Features:

  • Fast dry.
  • Superior adhesion to clean metals.
  • 93 percent pure zinc in the dried film.
  • Supplied in an easy to use aerosol spray can.


  • Color : Gray
  • Finish: Flat



Shake can vigorously for two minutes after mixing balls begin to rattle. Shake often during use. Hold can upright 12 to 16 inches from the surface and spray in a steady back-and-forth motion, slightly overlapping each stroke. Keep the can the same distance from the surface and in motion while spraying. Applying in thin coats. Allow no more than 5 minutes between two or three thin coats, otherwise allow to dry one hour before applying additional coats.

When finished spraying, clear spray valve by turning can upside down and spraying until no more paint comes out. If valve clogs, twist and pull off spray tip and rinse it in a solvent such as mineral spirits. Do not stick a pin or other object in the stem.


Remove all paint from underwater metals and running gear by sanding, scraping, sandblasting or by using a paint and varnish remover. Once back to bare, clean metal wipe the surface with Pettit 120 Brushing Thinner and let dry. For application to metals above the waterline remove all paint and rust with a wire brush or sandpaper. Lightly sand glossy surfaces. Clean surface with Pettit 120 Brushing Thinner and let dry.

Below Water Line (yes/no): Yes
BRAND: Pettit Z-Spar
Type: Barnacle Barrier Paint
4.6 5

Prop coat


Appears to work as good as, easy to useand much less expensive as the current alternatives




Excellent Product


Just clean the surface with a rotary brush and acetone. Let the acetone dry. Spray on two coats covering all exposed metal surfaces.

Captain Tom

Kinsale, Virginia


Pettit Zinc Coat


Good product, easy to work with and does the job as well as the more expensive alternatives




Works well


Easy to apply


New york


Keeps your underwater metals clean


Used this paint for the first time last season because my prop was perpetually fouled at haul out. Had previously used ablative bottom paint. Application was easy and fast (<5 minutes) once I got down to bare metal. Be sure to not apply too much. As a test I never cleaned the prop during a long sailing season. It came out with essentially no growth and none of the paint was worn off. What growth was there I could flick off with my fingernail, leaving the paint intact. Preparing for this season will probably require a little more elbow grease than before, but it's worth it. For me, one can will last several seasons.


Bristol, RI


Pettit Prop Coat Barnacle Barrier



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