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Interlux VC Performance Epoxy
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Interlux VC Underwater Epoxy, white epoxy boat bottom paint
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Interlux VC Performance Epoxy Customer Questions and Answers

10 of 45 Questions

Question

can I spray Interlux Underwater Epoxy over sanded and preped older gelcoat surface?

Asked on 05/01/2012 by Don Rotsma

Top Answer

Yes you can. No primer is necessary but be sure to follow Interlux's directions for prep. I was very satisfied with my results from this product.

Answered on 05/03/2012 by JOHN DECHANT
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Probably. I suggest you contact Interlux tech help for advice.

Answered on 05/01/2012 by PHILIP G RASMUSSEN

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Worked ok for me. However, end of season last fall so boat wasn't in the water very long.

Answered on 05/01/2012 by NORRIS BROWN

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I believe so. The instructions say not to go over single part "anti fouling" paints. I beleive GelCoat is 2 part. Regardless, I damaged my keel and repaired it with an epoxy product and repainted the entire keel surface with the VC Underwater product. After 5 months in the water and a winters storage, the paint held up really well. I am reapplying it this year over minor repairs/scratches that I fixed/faired to keep the keel race ready. I bought the product because I wanted to keep the white color and this is the best I could find. Hope this helps.

Answered on 05/02/2012 by BRUCE UPTON

Answer

Don, 4 months ago I rolled this paint over a gel coat surface which I simple sanded. It was a 25 foot Santana. I went on fine and seems to be staying in great shape. I dry sail this boat so it gets some close inspection.

Answered on 05/01/2012 by RICHARD MOORE

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Hi Don, Sorry I cannot answer your question as I used it on a dinghy over regular paint. On the dinghy it has resulted in a much better, longer lasting coating, but that is not the same as Gelcoat. Cheers Warwick

Answered on 05/09/2012 by WARWICK POWELL

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sure just make sure it is clean surface. I paint the bottom of my rib dingy color sanded & buffed it out. It came out great! Bruce

Answered on 05/02/2012 by BRUCE LUSK

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Don, I rolled on the Interlux VC with a short nap roller. The product will begin to harden within 10 to 15 minutes so I would think that spraying it would be a problem. I applied the epoxy over an older gelcoat surface after removing the antifouling paint.

Answered on 05/01/2012 by WILLIAM MYERS

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i applied 4 coats of primer then sprayed on two coats of the epoxy. this was done in 2009 and it still looks great today.

Answered on 05/01/2012 by EDWARD KELLEY

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I have no experiance using the VC Underwater epoxy, however I did use the Interlux Perfection two part epoxy to re-finish the interior of a weathered 17 Foot Boston Whaler Montauk. I found the product outstanding in every respect. I used a roller and a brush to apply, and had amazing results. The key to sucess was spending a lot of time with cleaning, prepping, and masking everything out properly, then going back over my prep work again and again to insure I did everything correctly. The finish is now two years old and has held up great. I will tell you that once you decide to paint you better have everything in place and ready to go because once you mix A & B there's no stopping until it's complete.

Answered on 05/01/2012 by STEVE WHICHELLO
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Question

How much VC Performance Epoxy will I need to paint the entire hull (including topsides) of a 15' Cape Cod Mercury sailboat?

Asked on 10/02/2011 by Dan Philgreen

Top Answer

Wow! I got answers from four of you guys! -all informative and helpful. Thank you. I also heard from Interlux who said I should not use the VC product above the waterline because it contains no UV filters and will yellow and chalk if it gets full sun. So once again, it seems there is no product that will do well on the hull both below and avove the waterline. So I think I will use the VC from the waterline down and a topside paint above. And I guess my wife will get the bootstripe back that she wanted. I was trying to make it easy and just spray it all white, but it seems the chemistry available just makes that a bad choice.

Answered on 10/03/2011 by Dan Philgreen
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Answer

Wow! I got answers from four of you guys! -all informative and helpful. Thank you. I also heard from Interlux who said I should not use the VC product above the waterline because it contains no UV filters and will yellow and chalk if it gets full sun. So once again, it seems there is no product that will do well on the hull both below and avove the waterline. So I think I will use the VC from the waterline down and a topside paint above. And I guess my wife will get the bootstripe back that she wanted. I was trying to make it easy and just spray it all white, but it seems the chemistry available just makes that a bad choice.

Answered on 10/03/2011 by Dan Philgreen

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I'd recomend 2 quarts. Assuming you will be doing 3 coats as recommended.

Answered on 10/03/2011 by ANDRE BARATA

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Dan, I used the 2 gallon kit to paint the waterline down with 5 coats and had some left over. Mine is a 23 foot Cobalt. It really looks great, but I must say, it goes on incredibly thin. I went with the 2 gallons, because I was not able to do the job all in one day and had some waste. If you do let it dry, you have to re-prep by sanding it and wiping it down, so try and do it all in one day!

Answered on 10/05/2011 by JEROME CHAO

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Dan, I used it as a bottom paint on a 23' WA. I could only get quarts and it took 3. If I were to paint the whole boat, at least 2 coats, I'd say 3-4 gallons. This stuff is great. I hate all of the brown and blue bottom paints and after prepping this went on well with a roller, and covered and looked great. I mostly trailer my boat, but it held up great for long periods of time in the water. Easy to wash off. I will use it again, and I live in Florida and would recommend it to anyone. Douglas Carey Gulf Breeze, FL

Answered on 10/05/2011 by DOUGLAS CAREY

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Hi Dan, I can't answer with any level of accuracy as I don't know the square footage or how many coats you are looking to put down. However, I used 2gal. to paint the bottom and sides of an 18' racing sloop with 4 coats. The hull looks great and I followed up with a teflon wax and wax sealer. If I had to guess as I did when I bought mine I would go with 3 gal. Better to have a little more than not enough. Hope this helps.

Answered on 10/03/2011 by DAVID SELF

Answer

Wow! I got answers from four of you guys! -all informative and helpful. Thank you. I also heard from Interlux who said I should not use the VC product above the waterline because it contains no UV filters and will yellow and chalk if it gets full sun. So once again, it seems there is no product that will do well on the hull both below and avove the waterline. So I think I will use the VC from the waterline down and a topside paint above. And I guess my wife will get the bootstripe back that she wanted. I was trying to make it easy and just spray it all white, but it seems the chemistry available just makes that a bad choice.

Answered on 10/03/2011 by Dan Philgreen

Answer

It is a two part system mixed 1:1 so the 1 quart size yields about 2 quarts. which should be plenty. On the other hand, it goes on quite thin so several coats are requred to cover and build. I don't know that it would be suitable for the topsides. Perhaps if you sprayed. If doesn't flow like normal topside paint. On the bottom it doesn't matter so much as it can be sanded fair. As applied it has a semi-gloss sheen.

Answered on 10/03/2011 by LUTHER CONOVER

Answer

Wow! I got answers from four of you guys! -all informative and helpful. Thank you. I also heard from Interlux who said I should not use the VC product above the waterline because it contains no UV filters and will yellow and chalk if it gets full sun. So once again, it seems there is no product that will do well on the hull both below and avove the waterline. So I think I will use the VC from the waterline down and a topside paint above. And I guess my wife will get the bootstripe back that she wanted. I was trying to make it easy and just spray it all white, but it seems the chemistry available just makes that a bad choice.

Answered on 10/03/2011 by Dan Philgreen

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As I recall, for a 16' fiberglass runabout, we used one quart of each of the two components and we had some left over for another coating next year. This was bottom only to the waterline. Probably you would need two 1/2 gallon components. Hope this helps.

Answered on 10/03/2011 by PETER KLAUSMEYER
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Question

I had the bottom of my boat painted with VC Performance about 6 months ago. It was rolled on and now has a heavy orange peel finish. Can I repaint over vc performance to add a few more layers to be wet sanded for a slick finish?

Asked on 06/05/2013 by charlie crown

Top Answer

Thanks for the info!

Answered on 06/05/2013 by charlie crown
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Answer

I have used VC Performance Epoxy extensively. My recommendation is that you sand the current "orange peeled" coat off with 100 grit sand paper until the "peel" is just visible. then Sand with 180 grit to get a smooth finish. Then, wipe down with a cleansing solution and repaint. Although you can get somewhat of an "orange peel" free coat onto the hull using a fine foam roller, It is best to spray the final coating. The VC coating will not give you a high luster finish, but you can go over it lightly with 1200 coat wet dry sand paper and follow up with a power polish using a good buffering compound. Good Luck.

Answered on 06/05/2013 by LEONARD LUNDQUIST

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performance canbe sprayed or rolled to sufficient thickness, ie many coats, to wet sand for a smooth finish

Answered on 06/05/2013 by WILLIAM MAYER

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Thank you for the info!

Answered on 06/05/2013 by charlie crown

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i think your best bet would be to sand it with a palm sander then spray a couple more coats on it should turn out fairly smooth with minimal orange peel if applied properly with a paint gun. if you try and wet sand heavy orange peel u will be there forever to get it smooth.

Answered on 06/10/2013 by KEVIN COULTER

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Unless you use VC Performance to add the finish coats you will need to prime with an appropriate adhesion promoter sealer. With the VC you just need to sand the peel out and be sure to scuff sand any and all shine out of the finish for proper adhesion. Depending on temperature you need to do the wetsand and polish within a 48 hour window or the paint becomes too hard to buff properly. Jacob Advantage Restorations

Answered on 06/05/2013 by JACOB ANDERSON
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Question

Can you paint stripes on VC Performance Epoxy with good adhesion? Like using Interlux Brightside Polyurethane as the striping paint?

Asked on 10/03/2012 by Carl Carl

Top Answer

I put the VC Expoxy below the boot stripe. The boot stripe was painted over the Brightside Polyurethane that was used to paint the hull sides. So I have no experience with using the VC Expoxy over polyureathane.

Answered on 10/03/2012 by MARK MCLEAN
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I don't want to say for sure but I was able to paint a strip next to the two coats of Epoxy and have it adhere perfect except for one place. I am still not certain if I perhaps did not prepare the area properly. It is an area about the size of a dime and I don't think it is really a problem. I would test an area that was not noticable. There are so many different paints, who can say. Good luck I love the paint. Roll and tip it, and you will have a great job

Answered on 10/03/2012 by RICHARD MOORE

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I would think you could paint stripes over it providing you do the proper prep prior to striping. I used this paint to paint the bottom of my dinghy a caribe RIB which has worked very well.

Answered on 10/05/2012 by BRUCE LUSK

Answer

I was actually concerned about painting a stripe on top of the VC performance epoxy. It has teflon in it and is slick. I was wondering if there would be adhesion issues. Otherwise, I have to paint the stripe on the gelcoat, then mask it off, then paint the VC performance epoxy to the rest of the hull.

Answered on 10/04/2012 by Carl Carl

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Sorry I have no experience with using the paint as a striping paint but can't see why it would not work. Cheers Warwick

Answered on 10/04/2012 by WARWICK POWELL
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Question

we are restoring an older wood boat. We striped it to bare wood and have put on a primer can we use pettit top side paint to cover the complete haul and then Interlux VC 17m below the water line?

Asked on 05/23/2012 by Undisclosed

Top Answer

I don't know the answer to this question.

Answered on 05/23/2012 by PETER KLAUSMEYER
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I do no know the answer. I painted over gelcoat.

Answered on 05/23/2012 by WILLIAM IMBIROWICZ

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Don't know for certain, as my was for a tolally different application and did not use topside paint under the underwater epoxy. I would not use it with a base of topside paint especially on wood. Hope this helps.

Answered on 05/24/2012 by RICHARD HEAP

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Yes, it will work well as long as the wood has been sealed and primed with an appropriate primer.

Answered on 05/23/2012 by JOHN PRATT MIT CREW

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I used this product after a fiberglass repair (rebuild) of my transom. The 2 part system was easy to use. I rolled and tipped for a resonable finish. The product held up well to 3 years use in fresh water - no chipping, flakes, or other failure that i have seen.

Answered on 05/23/2012 by BARRY CUNNINGHAM
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Question

I have a 18 foot aluminum power boat. I need to repaint the bottom of it from the waterline down. I want it to be a sealer as well as it is a boat from the 1960's. What products would you recommend? Would I need a top coat as well? How much product would I need?

Asked on 10/05/2011 by Brad Ringer

Top Answer

This would be an ideal use for this product. I should be spayed and you would need a pressure pot and appropriate respirator. There is no need for a top coat.

Answered on 10/26/2011 by JOHN PRATT MIT CREW
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Answer

I used Interlux VC Underwater Epoxy on my 19 foot flats boat. I applied with a HVLP spray gun over sanded WEST System epoxy resin coat. Worked great and went on smooth. I used this from the waterline down and used almost all of the Gallon combo - (2 gallons - 1 gallon per part). I applied 8 very thin sprayed coats lightly sanded between each.

Answered on 10/07/2011 by DAMON PREBLE

Answer

SPRAY IT IF POSSIBLE LOOKS NICE AND SMOOYH NEED TO WORK FAST BETWEEN COATS 3 COATS LOOKED GREAT AND WAS VERY HARD FINISH WHEN DONE I LIKED IT . MUST THIN TO SPRAY 20% I THINK. YOU CAN USE COLOR ADDITIVES ,YOU NEED GALLON+GAL OF THINNER i sprayed it wet look without runs watch for runs when spraying wait 10 minutes then do another coat clean canister between coats while you wait 10 minutes GOOD LUCK BS

Answered on 10/07/2011 by BRUNO STANKAVICH

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Brad, I have a 2001 23 foot Cobalt which had been bottom painted for many years in the usual manner (sanded and painted, sanded and painted - many times over). I was tired of the bottom paint coming off on me and the kids and I no longer kept the boat in the water. So, I had the bottom paint removed with baking soda. Of course, the gelcoat was totally scratched up and I was worried that it was now porous. After much research, I chose Interlux VC Underwater epoxy in order to seal the boat completely. The original hull color was white, so with the VC, you cannot even tell it has been painted. I did have to use 5 coats, however. The boat has not had any problems and it looks great. Jerry

Answered on 10/05/2011 by JEROME CHAO

Answer

Brad, I used this product on a skiff, (high performance sailboat). I rolled on 5 coats, and then wet sanded down to 1000 grit, for a glossy, smooth finish. It worked great. The finish is quite hard once fully cured. I will use it again. You probably have rivets and ribs on the bottom, so sanding won't be an option. Hope this helps. Mark

Answered on 10/14/2011 by WHITE MARK
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Question

what is the reduction amounts, how much reducer when rolling?

Asked on 04/08/2016 by greg L

Top Answer

So how much reducer would you mix with the paint when rolling, I can do the 50-50 with that 2333 and the 2316 but then how much do I mix to the paint?

Answered on 04/10/2016 by greg L
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Sorry, Due to illness I haven't used this product yet.

Answered on 04/09/2016 by SAM DUNCAN SR.

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I spray. Look at the spec sheet. It tells you in there for rolling. Wet sands well and polishes right up! Use the special thinner for rolling. It has a lower dry time/evap time. They recommend starting at 50 50 between the reducer and the rolling thinner. 2316N is the reducer. Depends on environment. The dryer, a little more 2333N. Some add less 2333N and have good results rolling I've heard. Hope that helped.

Answered on 04/08/2016 by LEX NEWCOMB

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I agree with LEX N comments. It is somewhat temperature sensitive and will set up quickly above 70 degrees F. without using the reducers.

Answered on 05/10/2016 by Michael Hauser
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Question

What is burnishing (as a final step) when talking about VC Under Water Epoxy? Thanks, Lightning owner

Asked on 09/05/2012 by Undisclosed

Top Answer

the word burnish means to polish "to make smooth or glossy'" With VC underwater performance epoxy you may want to "burnish" the sides of the boat with a glazing compound to make it look like polished fiberglass, whereas on the bottom you may want to only sand it with 600 grit to make it very smooth, although I have at times used as high as 1200 grit wet/dry sand paper to give a semi gloss finish to the bottom. Len Lundquist

Answered on 09/05/2012 by LEONARD LUNDQUIST
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I would wet sand up to 600 or perhaps even finer and then polish it with rubbing compound. You should then maintain the gloss with any of the off the shelf products which could include either Starbrite with Teflon or Mclube Hullcote. Either one works great and my boat still looks good after 7 years.

Answered on 09/06/2012 by JOHN PRATT MIT CREW

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I rolled three coats of Interprotect 2000E Primer Interlux today below theboot strip tried to tip it but got better results just rolling it on, my qwestion is should I sand the primer before my last coat of 2000e as my thought was maybey i can get a better result when I put the VC performance on top. this is a fiberglass hull, Im going to roll and tip the VC soon. if i do sand should I wait a week to let the primer harded? Thanks for any advise. Cliff

Answered on 05/15/2016 by cliff Easley

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Burnishing is rubbing a surface to make it smooth and shiny, but as having anything to do with VC Underwater Epoxy, I havent a clue.

Answered on 09/06/2012 by RICHARD HEAP
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Question

I now have 2, 1 gallon kits of Interlux VC performance epoxy paint in my cart, and searched for the recommended V170 thinner on your site and cannot find it, different #?

Asked on 06/29/2018 by keith from MI

Top Answer

V170 is no longer available. It's unfortunately difficult to find even on the Interlux page, but the tech sheet on this product says to use Interlux Reducing Solvent 2316N.

Answered on 06/29/2018 by JD Tech Associate
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Interlux 2316n for spraying Interlux 2333n for roll and tip Please note: message attached How To Remove Eye Bags & Lip Lines Fast (Watch) Fit Mom Daily

Answered on 06/29/2018 by macaw6

Answer

Keith, I recently purchased 1 Qt Base and 1Qt Reactor, and was told that I needed Interlux 2316N Spray Reducer. I have all three unopened, am not going to

Answered on 06/29/2018 by wallywoodcutter
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Question

How and what should I use to clean the bottom of my sailboat that is painted with Interlux VC Underwater Epoxy? Thanks!!

Asked on 05/09/2016 by WILLIAM PORTER

Top Answer

VC underwater epoxy has no anti-fowling additives. It's a great hard bottom but it gets growth as if there was nothing there. We use it on our Whaler that is only in the water for a couple weeks now and then. When we lift the boat out I will either power wash it or use a hose and some soft scrub on a brush. The growth comes off easily and the bottom is like new. The boat sits on the trailer until we need it again. Let me know if you have more questions.

Answered on 05/10/2016 by Jeff Mackay
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Answer

I have used Interlux Underwater Epoxy as a bottom paint on a plywood, epoxy / fiberglass construct. My experience with this product is not very extensive. However, I have used a non-abrasive cleaning solution, heavy detergent and then a good rinse. This product is made to be able to be polished with any good marine wax. That is what I use. I plan on using this product on my old Force 5. After a good sanding, I will use Tuff Stuff, a two part epoxy undercoat and then the Interlux VC Performance Epoxy. Hopes this helps a little. The Interlux VC Underwater Epoxy is a very very hard material, so anything non-abrasive should be OK, soft scrub brush etc. Michael

Answered on 05/10/2016 by Michael Hauser

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I use a bottle of 'Barkeepers Friend' mixed with a gallon or more of water in a tank sprayer. Spray on and scrub with a 3M 'greenie'. Rinse off with water. Shake the tank vigorously with each application. Apply to a four square foot area, scrub, rinse, repeat.

Answered on 05/10/2016 by MARK LINDEMAN
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