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Tips for industrial painting following sand blasting

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article image It is especially important to pay attention to the joins where the floor plates are welded together

Application of a fresh coating over a newly blasted tank floor without vacuuming out the abrasive left on the surface can result in an unprofessional job and also cause serious coating breakdown.

Before applying the coating, it is important to give the newly blasted surface a thorough vacuum, which will ensure a perfect final finish free of any contamination.

Once the tank floor has been blasted and the bulk of the abrasive inside the tank has been vacuumed out, BlastOne advises reducing the large vacuum hoses of 3”, 4” and 6” down to a series of smaller 2” hoses for ease of use. Attach the vacuum cleaner wands onto the ends of these 2” hoses and get the team to vacuum over the entire tank floor, ensuring every plate is covered.

When vacuuming, it is especially important to pay attention to the joins where the floor plates are welded together. Abrasive tends to accumulate in these areas and can be difficult to remove. Leaving the abrasive here will eventually lead to failure of the coating.

Many blasters have benefitted from investing a little extra time and care to ensure they have a much superior surface to paint, significantly improving the quality and adhesion of the final coating finish.

BlastOne / Blastmaster specialises in the supply of specialised equipment for the corrosion control and protective coatings industry.

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