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We were recently hired to provide a very specialized service to this 290' megayacht. They have an onboard fresh water swimming pool, and while underway the water is drained into a holding tank. When the boat was built the pipe connecting the pool to the tank was not coated. Take a look at the next picture to see the result. |
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The pipe in question. Note the stalagtite-like formations of rust. |
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The first step was to pressure clean (with fresh water and a spinblast nozzle) the pipe interior to remove rust scales and chlorine related contaminants to prevent the sandblasting procedure from impregnating the metal pipe with any a contaminants--which would lead to a coating failure (and a rusty swimming pool!). |
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Then we use a 360-degree pipe interior sandblast nozzle to further remove rust scale and profile the metal to 2-3 mils depth (according to the Sigmaguard CSF 585 paint spec sheet). |
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Finally we use our pipe interior spin-paint system to apply the final coating. This coating can be expected to last at least 20 years or more. |
