Paint application - One pack Vs 2 Pack question

[carl170]

I painted my fibreglass boat a couple of years ago with blakes enamel. It initially looked good, but seemed to wear off quickly on all the corners and edges. It also seemed to scratch easily. As the colour underneath was white, it still didn't look too bad.

I now have another old boat (wooden cabin, cockpit and deck)which needs painting. It looks like the deck has been epoxied, primed and then painted with very hardwearing two pack. Unfortunately, it is a horrible dark blue colour, so I would like to change it.

I am therefore thinking painting with a single pack enamel, but am wondering if I will have the same problems of the paint wearing away quickly. Of course, if this paint wears away, it will show the blue colour which will look horrible.

Has anyone else painted with a single pack paint and found it hard wearing? Tho only other thing I can think of is that the surface was not prepped enough, or that I did not put enough coats of paint on.

Alternatively, is it easy enough to use two pack paint. I have painted a deck with epoxy before and am assuming it will be similar?

Thanks for any advice.

Carl

 

[KellysEye]

I'd use expoxy (i.e. two part) it's much harder wearing than single pack paint. The best brand is Awlgrip but it is a professional paint and you may not be able to buy it in Europe.

 

[oldsaltoz]

Before you decide what paint system to use you need to find out what type of coating you going over.

This avoids expense, the existing paint may not be copatable with the one you plan to use.

Any long chain polymer polyurethane will do great job, easy to apply by spray or roller and tip-off with a brush, best with 2 people though.

Let us know what type of paint you have, your local paint store can advise you on how to test the existing coatings and supply you with the required chemicals/solvents to carry out the test/s.

Good luck.

 

[mitiempo]

Two part is the longest lasting, such as Interlux Perfection. Find out what is on there first. One part will go on over two part but not the reverse.

 

[nedmin]

As recommended Awlgrip is exellent paint ,it is obtainable in the UK,unfortunately the address is on boat.If you like white their Matterhorn White is great.Remembered it ! www.boatpaint.co.uk .Its pretty expensive.

 

[Pye_End]

Used Blakes single part and have re-done it this year, after 7 years. It could have done with a freshen up a year or two back, so I reckon bank on 5/6 years life if you want it looking good.

At the time I used 1 coats of undercoat/primer and two topcoats. Doesn't take much wear where it is, and I think most of the damage was probably UV as one side was much worse than the other.

For ease of use 1 part, but longevity 2 part. Not sure what temperatures are involved but it may be harder to do 2 part in April when the weather hasn't warmed up.

 

[simonfraser]

if you're going a lot lighter you may well need two coats, think about the work.

i'd put treadmaster or similar down on hard used surfaces.

my boat is 2 pack painted, it all looks the same, but:

most area's paint fine with 2 pack for repairs, some don't.
so, test all the different areas to save a load of sanding off again.

 

[PCUK]

If you're painting the deck, use deck paint, it is hard wearing, very easy to apply goes over any previous coatings and is easy to touch in if damaged.

 

[planteater]

If you're painting the deck, use deck paint, it is hard wearing, very easy to apply goes over any previous coatings and is easy to touch in if damaged.

What is a good deck paint? I tried Blakes Deck Coating on my last boat and wasn't impressed. The colour was extremely thin and it took several coats to conceal a light grey with another light grey.

 

[30boat]

What is a good deck paint? I tried Blakes Deck Coating on my last boat and wasn't impressed. The colour was extremely thin and it took several coats to conceal a light grey with another light grey.

International Interdeck is quite good.

 

[xtiffer]

International Interdeck is quite good.

Hate to agree as I generally do not use International paints at all
but Interdeck is the safest option unless you are in Turkey
where there is a local product that works just as well but much cheaper.
Cheers,
Chris

 

[Bobobolinsky]

Epoxy coatings are not particularly UV stable and will powder eventually. 2K polyurethane is UV stable, except for dark colours like reds, which degrade over time, fading. 2K sticks like the proverbial and is not tooo difficult to apply. They do, however contain isocyanates, like superglue, so if you use em make sure you use a respirator. Although Akzo make epoxies, Awlgrip is a polyester polyurethane.

 

[William_H]

Paint

I think there might be a language problem here. I think "epoxy paint" is used incorrectly as said epoxy is not good in UV. However polyurethane paint is a 2 pack resin which is excellent. I was advised that it was no good brushing it on but I found it OK. Obviously not as good as a proper spray job but ok and easily touched up each winter. Polyurethane is I believe highly toxic when sprayed and should only be done by professionals in a spray booth with positive air supply breathing.

However as said the thinners in polyurethane paint will dissolve the old oil based paints so would require paint removal. So polyurethane is no good to you. Use a one pack.
However polyurethane is excellent on fibreglass. IMHO good luck olewill