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Product Details

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 20 oz. Aerosol spray or Quart can.

Tech Specs
Technical Specifications Pettit Prop Coat Barnacle Barrier
Color Gray
Finish Flat
Application Temperature 50-90°F
Application Method Aerosol spray, or, for Liquid - Brush, roll, conventional spray, or airless spray
Number of Coats Aerosol: 2-3; Liquid: 1-2
Dry Film Thickness per Coat Aerosol: 1.5 mils; Liquid: 2 mils
Coverage Aerosol: 10 sq ft/16 oz. spray; Liquid: 70 sq ft/qt
Thinner Pettit 120 Brushing Thinner
Cleanup Pettit 120 Brushing Thinner
Dry Times - LIQUID To Recoat To Launch
90°F 1/2 hour 1 hour
70°F 1 hour 2 hours
50°F 2 hours 4 hours
Dry Times - AEROSOL To Recoat To Launch
90°F 1/2 hour 16 hours
70°F 1 hour 24 hours
50°F 2 hours 48 hours
Info & Guides

Technical Information

Pettit Prop Coat Barnacle Barrier Features

  • Maximum underwater corrosion protection on underwater metals.
  • Superior adhesion on bare metals, including .
  • Cured film contains the highest amount of pure zinc available and provides superior protection against barnacles.
  • Fast-drying formula allows you to finish painting quickly and launch in as little as 1 hour @ 90°F.
  • Available in two convenient forms—aerosol spray or liquid.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Reviews for Pettit Prop Coat Barnacle Barrier

7 of 7 Reviews

June 18, 2021

Aerosol can did not work
By Disappointed from Cranston, RI

Verified Purchase

I have used this in the past to paint my Max Prop propeller. This time the spray can worked for one thin coat and after stopping for one minute it would not spray again.

Bottom Line No, I would not recommend to a friend

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November 29, 2020

Barnacle Barrier
By Hal from Punta gorda, Fl.

Verified Purchase

Product prep was easy. Application was simple, and the look was great. We keep our boat in the water, so will see how long it works for us.

24 ft Ocean Runner in our saltwater canal
Bottom Line Yes, I would recommend to a friend

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April 8, 2014

Prop coat
By Tom from NJ

Verified Purchase

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

Bottom Line Yes, I would recommend to a friend

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May 28, 2013

Excellent Product
By Captain Tom from Kinsale, Virginia

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

Bottom Line Yes, I would recommend to a friend

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May 13, 2013

Pettit Zinc Coat
By tjd from nj

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

Bottom Line Yes, I would recommend to a friend

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October 4, 2012

Works well
By Jim from New york

Easy to apply

Bottom Line Yes, I would recommend to a friend

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May 8, 2011

Keeps your underwater metals clean
By Wicked from Bristol, RI

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.

Bottom Line Yes, I would recommend to a friend

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