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Author Topic:   Barrier Coat

MarcB posted 02-05-2015 11:27 AM ET (US)
[I plan] on painting my 1979 Newport 17 this spring. It has never been painted. I want a paint that will act as a barrier coat. I have looked at a product called Aquaply M for sides and bottom, and Awlgrip for the tops and inside. According to the manufacturer of Aquaply, it is a very good barrier coat, easy to clean and UV resistant as well. Anyone have experience with Aquaply?
[I am] open to other ideas, as well.
The previous owners [of my 1979 NEWPORT] did manage to put a lot of dings and scrapes above and below the waterline. They have been repaired throughout the years with a variety of filler material that is still very solid but just looks very ugly with mix of colours. I do not plan on restoring to original condition and I will freshen up the look in going all-white with black rub rail. The boat is kept on a trailer but will spend perhaps five days in freshwater a few times a year.
Thanks.
jimh posted 02-05-2015 03:34 PM ET (US)
[Moved to REPAIRS/MODS]
tedious posted 02-06-2015 11:24 AM ET (US)
Marc, why do you want to use a barrier coat? For just five days in the water a few times a year, there is no need to use any sort of barrier coat, or bottom paint, at all. If you are just looking to improve how the boat looks, that is a different story, but in any case you don't really need a barrier coat with that usage model.
I am not familiar with Aquaply, but from reading some articles, it seems to be fairly new to the market. It may work well in the long run, or it may not. Give it a try and report back on how it works!
Tim
MarcB posted 02-06-2015 01:44 PM ET (US)
The main reason I want to paint the boat is that it just does not look good, other than that it is very usable in its current state. I figured that if I am going to go through the proper preparation to paint the hull I might as well protect it as well. Other than the nicks and gouges that have been repaired, there is no apparent sign of blistering or other defects on the hull.
wezie posted 02-08-2015 02:11 PM ET (US)
The barrier coat will offer some protection. Scratches, scrapes, wear, possible blisters, etc.
It will allow you to fair any hull irregularities, if you take the time.
Sanding the barrier coat smooth before the antifouling will take a bit of work. The open areas are not too bad. Any corners or ridges are difficult to sand without cutting through. Those areas will be sanded by hand.
Is the barrier coat a good idea, yes, if done correctly.
Is it practical, ??
Good Luck.

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Author	Topic: Barrier Coat
MarcB	posted 02-05-2015 11:27 AM ET (US) [I plan] on painting my 1979 Newport 17 this spring. It has never been painted. I want a paint that will act as a barrier coat. I have looked at a product called Aquaply M for sides and bottom, and Awlgrip for the tops and inside. According to the manufacturer of Aquaply, it is a very good barrier coat, easy to clean and UV resistant as well. Anyone have experience with Aquaply? [I am] open to other ideas, as well. The previous owners [of my 1979 NEWPORT] did manage to put a lot of dings and scrapes above and below the waterline. They have been repaired throughout the years with a variety of filler material that is still very solid but just looks very ugly with mix of colours. I do not plan on restoring to original condition and I will freshen up the look in going all-white with black rub rail. The boat is kept on a trailer but will spend perhaps five days in freshwater a few times a year. Thanks.
jimh	posted 02-05-2015 03:34 PM ET (US) [Moved to REPAIRS/MODS]
tedious	posted 02-06-2015 11:24 AM ET (US) Marc, why do you want to use a barrier coat? For just five days in the water a few times a year, there is no need to use any sort of barrier coat, or bottom paint, at all. If you are just looking to improve how the boat looks, that is a different story, but in any case you don't really need a barrier coat with that usage model. I am not familiar with Aquaply, but from reading some articles, it seems to be fairly new to the market. It may work well in the long run, or it may not. Give it a try and report back on how it works! Tim
MarcB	posted 02-06-2015 01:44 PM ET (US) The main reason I want to paint the boat is that it just does not look good, other than that it is very usable in its current state. I figured that if I am going to go through the proper preparation to paint the hull I might as well protect it as well. Other than the nicks and gouges that have been repaired, there is no apparent sign of blistering or other defects on the hull.
wezie	posted 02-08-2015 02:11 PM ET (US) The barrier coat will offer some protection. Scratches, scrapes, wear, possible blisters, etc. It will allow you to fair any hull irregularities, if you take the time. Sanding the barrier coat smooth before the antifouling will take a bit of work. The open areas are not too bad. Any corners or ridges are difficult to sand without cutting through. Those areas will be sanded by hand. Is the barrier coat a good idea, yes, if done correctly. Is it practical, ?? Good Luck.