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Case Study 1.

These pontoons are treated every 3 years, they have no other treatment or coating and are fully submersed under water, the steel has been totally protected.

	Initial Photograph in 2004 The pontoons suffer continuous water contact and so corrosion and rusting can be severe in these circumstances
	Prior to treatment Pontoon prior to treatment process. The Pontoon will be water pressure blasted and then treated with Aquasteel 3 coats.
	After treatment Water pressure blasted & “Aquasteel” treated. The application was carried out manually using brush application.

Air gun spraying or by hand?

Either is suitable, the general choice is by hand. Choose a medium viscosity nozzle if you are spraying a large area. The product can also be applied using a roller, NB. Only use on large areas as it will soak up large amounts of Aquasteel initially.

Whatever your choice, a gentle application is required to eliminate bubbles in the process.

To apply to an object through the use of an air-pressurized spray gun involves the use of an gun, nozzle, liquid holding vellel,, and air compressor. When the trigger is pressed the paint mixes with the compressed air stream and is released in a fine spray

Due to a wide range of nozzle shapes and sizes, the consistency of the coating can be varied. The three most common nozzles are the full cone, hollow cone, and flat stream. There are two types of air-gun spraying processes. In a manual operation method the air-gun sprayer is held by a skilled operator, about 6 to 10 inches (15–25 cm) from the object, and moved back and forth over the surface, each stroke overlapping the previous to ensure a continuous coat. 

For large applications a typical paint spraying process can be employed.

A full cone spray head is usually ideal

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