I promise I have searched the threads and read the tutorials before posting this very basic set of questions. Thanks in advance for you patience... I just want to make sure I get this step right before purchasing paints and trying to apply them...
First set of questions relates to graphite. I have heard two applications discussed for graphite / epoxy mix. One is to create a harder layer than epoxy without graphite. It sounds like people recommend doing 3 to 4 coats. And, the second reason I have heard, is in order to create less surface friction on the hull - both in the water as well as when beaching.
Q1: Should graphite be used in most applications discussed on this board? What would be the reason not to have several coats of epoxy/graphite?
It seems like the idea of a harder coating and less drag is a good thing in most boats....
Also, I believe I have read some people say that they
(A) Do epoxy/graphite on top of a primer coat
(B) Do epoxy/graphite under a primer coat
(C) Do epoxy/graphite as the only coat on the outside of their hull.
Q2: Are all options for the sequencing of primer and epoxy/graphite correct? What are the pros and cons of each?
Finally, as it pertains to Sterling. I am a bit unclear on the pros / cons of using the High Build Epoxy Primer versus using the Polyurethane primer.
Q3: Does one need to use either the High Build Primer -OR- the Polyurethane Primer? If so, what are best applications for each. Or... am I really missing the boat and are they used in concert together on a boat?
Thanks for your input and help!
Newbie Questions (OB19)
Newbie Questions (OB19)
Track my adventure with my OB19 wooden boat plans here.
Re: Newbie Questions (OB19)
hi All.... any ideas on questions above? Thanks in advance! Rich
Track my adventure with my OB19 wooden boat plans here.
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Re: Newbie Questions (OB19)
Q1. Yes, if you want the toughest bottom coating possible, no reason not to unless you don't like black. If not, see question 2
Q2. All 3 are valid methods. If you don't like black, you can prime and paint over the graphite. It will probably get ugly looking over time though.
Q3. I just use the S3 high build primer under Sterling, with very good results. Haven't tried any others.
Q2. All 3 are valid methods. If you don't like black, you can prime and paint over the graphite. It will probably get ugly looking over time though.
Q3. I just use the S3 high build primer under Sterling, with very good results. Haven't tried any others.
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Re: Newbie Questions (OB19)
Thanks Cracker Larry! Rich
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Re: Newbie Questions (OB19)
agree 100% with above, I will only add to this question...
If you using sterling paint, the finish primer goes on very smooth and is the best way to get a yacht quality finish. That being said, you can get to a very high level of finish and gloss by using only the highbuild.Q3: Does one need to use either the High Build Primer -OR- the Polyurethane Primer? If so, what are best applications for each. Or... am I really missing the boat and are they used in concert together on a boat?
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