yachtpaint.com FAQ

•  Antifoulings for Aluminum?
•  Changing the colour of paint?
•  Addition of Hardeners?
•  Inter mixing hardeners?
•  Should I read all label Instructions?
•  Can topside paints be applied to below water surfaces?
•  Thinning Antifouling?
• 

How important is Preparation?


Antifoulings for Aluminum?

International manufactures 2 types of antifoulings suitable for aluminum after correct priming. Interspeed 2000 is a hard antifouling ideal for the boat owner requiring bright colours and/or a vessel travelling at high speeds. Cruiser Superior also available in bright colours is a soft ablative antifouling developed for slower moving type vessels such as cruising yachtsmen, offering easy end of season maintenance. Generally these types of antifoulings offer medium term performance compared to their copper based counterparts.

Changing the colour of paint?

The only way we recommend changing the colour of our paints is to mix like paints, ie. Mixing Marinecoat Gloss with Marinecoat Gloss or mixing Longlife antifouling with Longlife antifouling. We do not recommend addition of "universal" tints or pigments into our products. Marinepaint products are formulated to withstand harsh conditions and additions of universal tinters or any such products may affect water resistance, long term durability and may also slow down the drying time of the paint. We would also strongly discourage anyone from adding anything to antifouling paints that is not already mentioned on the label. Apart from affecting performance such additions may be illegal as antifouling paints are registered with a unique formula and addition of unauthorised materials, especially active ones to " improve " performance changes this unique formula

Addition of hardeners?

Two pack products have been specifically developed to cure at a certain rate based on the correct chemistry. It is recommended when mixing two component products that the correct mixing ratio is adhered to, as insufficient or additional hardener will result in an incorrectly cured product, which will affect the longevity of the product.

Inter mixing hardeners?

Often people run out of hardener and ask if they can use another type of hardener. As a general rule this is not recommended. The exception would be when mixing Epiglass HT9000 system; The Fast, Slow and Standard hardeners are fully compatible.

Should I read all label Instructions?

Our label system has been designed in a format to offer clear and precise instructions. Reading all the instructions before using the product will save you time in the long run.

Can topside paints be applied to below water surfaces?

Most topside coating systems if constantly immersed or kept wet will tend to blister. Provided the boat is only put into the water for a few days then a topside coating can be used below the waterline. Note that if you have a trailer boat with any carpet type material used as a padding against any top-side type coating then you may experience blistering in that area if the carpet remains wet for long periods. For trailer boats that are immersed for longer periods there is the question of, do I antifoul or not. A possible answer here is to use an epoxy primer such as Interprotect below the waterline and not overcoat it


Thinning Antifouling?

Antifouling performance in general terms is dependent upon the film thickness applied at application time. Thinning therefore should only be required to aid in application not to spread the product further. If thinning is necessary do not exceed 10% by volume.

 

How important is Preparation?

Preparation is one of the most important areas in the painting process. Preparation accounts for approx 80% of the finished look. Some simple rules to remember are: Read all label instructions, ensure surface is correctly prepared, stir paint thoroughly, only thin the paint to ease application, apply the product at correct spread rates and ensure climatic conditions are favourable for painting.

 

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