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  #11  
Old 04-06-2014
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Re: How much paint will I need to do the bottom of a 30 footer

VC-17 is a different animal. 2 qts is all that you need if you apply it right. 1st you need a solvent. Interlux has one called VC thinner which is relatively expensive. The rest of us use 95% isopropyl alcohol which is less than $2 at CVS. The trick is to roll it on with a 7" west systems foam roller. Don't use a hardware store roller it will disintegrate and it will make a mess. Mix up the whole can at once and keep the lid on. Only pour small amounts into the roller pan as this stuff evaporates quickly. Use the solvent to refresh the dried stuff in the pan. 10% is all that you want to dilute this stuff. Use the alcohol for clean up. When masking some people use 3m 355 electrical tape for fine edge then 2" masking tape. VC17 will go right through normal masking tape if get enough of it on the tape.

A really good alternative to VC-17 is Petit SR21. Chemically the same as VC-17 and compatible. West Marine rebrands SR-21 as FW-21 which starts on sale Thursday at WM for $45/qt.

Good luck!
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Old 04-06-2014
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Re: How much paint will I need to do the bottom of a 30 footer

Listen to Sandusky Sailor!!! He knows what he's talking about.
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Old 04-06-2014
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Re: How much paint will I need to do the bottom of a 30 footer

I just finished the bottom of my 30'. I got almost two full coats from a gallon of West Ablative.

It has lots of surface area too - a light fin keel would easily get two coats.
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Old 04-07-2014
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Re: How much paint will I need to do the bottom of a 30 footer

The obvious confusion by the some of the posters is that they are not familiar with VC 17. It is not the same a traditional bottom paint. It has the viscosity of water and goes a long way. Quite the opposite of an ablative paint. It should be a clue that VC17 is only sold in qts. At a cost of $240 per gallon and yearly application nobody would buy it if you needed 2 gallons for a 30 ft boat.
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Old 04-08-2014
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Re: How much paint will I need to do the bottom of a 30 footer

Quote:
Originally Posted by Sanduskysailor View Post
VC-17 is a different animal. 2 qts is all that you need if you apply it right. 1st you need a solvent. Interlux has one called VC thinner which is relatively expensive. The rest of us use 95% isopropyl alcohol which is less than $2 at CVS. The trick is to roll it on with a 7" west systems foam roller. Don't use a hardware store roller it will disintegrate and it will make a mess. Mix up the whole can at once and keep the lid on. Only pour small amounts into the roller pan as this stuff evaporates quickly. Use the solvent to refresh the dried stuff in the pan. 10% is all that you want to dilute this stuff. Use the alcohol for clean up. When masking some people use 3m 355 electrical tape for fine edge then 2" masking tape. VC17 will go right through normal masking tape if get enough of it on the tape.

A really good alternative to VC-17 is Petit SR21. Chemically the same as VC-17 and compatible. West Marine rebrands SR-21 as FW-21 which starts on sale Thursday at WM for $45/qt.

Good luck!
Thanks for the detailed reply. So I cant just use my green frog tape? that is what I would have used otherwise. Glad you brought it up.
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Old 04-08-2014
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Re: How much paint will I need to do the bottom of a 30 footer

I think that the answer is; it depends.

Four years ago I did the bottom of my O'day 35 (5.7' keel). It took almost 2 gallons of West Marine's CPP paint.

The next year I had the bottom soda blasted, and painted with 3 coats of Pettit Hydrocoat professionally (1 coat red, 2 coats blue). I supplied the paint, and the yard returned half of what I gave them.

Yesterday I did the bottom with Pettit Hydrocoat. I was very (pleasantly) surprised when it used less than a gallon for 1 coat. My helpers and I used two roller trays, and two 9" x ľ" nap rollers and a small brush.
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Old 04-09-2014
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Re: How much paint will I need to do the bottom of a 30 footer

Yea, but I'm using vc17 remember?
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Old 04-09-2014
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Re: How much paint will I need to do the bottom of a 30 footer

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Originally Posted by abrahamx View Post
I am painting my tartan 30 for the first time. I will be using vc17 and I swear someone told me that they use 2quarts but the chart for the product says I will need a gallon and a half. I dont want to buy any more than I need. I guess it could not hurt to buy a little at a time and just paint till I'm done? Or is a dry edge a problem. Either way if you have a similar size boat and have done this before, please let me know how much paint you use.
I used VC17 for years on a similar sized boat. 2 quarts would be max. It's very thin and unless your bottom is extremely rough, 2 quarts is plenty.
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Re: How much paint will I need to do the bottom of a 30 footer

Is VC17 strictly a racing finish or is it anti-fouling?
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Re: How much paint will I need to do the bottom of a 30 footer

From the Interlux Guide Previously mentioned.

http://www.yachtpaint.com/Literature...14-usa-eng.pdf

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