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Pettit Protect High Build Epoxy Priming System
$47.04In Stock
Pettit Protect High Build Epoxy Priming System
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Pettit Protect High Build Epoxy Priming System Customer Questions and Answers

10 of 11 Questions

Question

Boat yard indicates that they do not recommend Pettit Epoxy Barrier Coat on a Boat that has been in seawater for any length of time because the Gel Coat and the Fiberglass becomes saturated with water. They indicate that the moisture will push the coating off of the gelcoat. They are saying that it is appropriate for new boats where the gelcoat and fiberglass are not already saturated with water. What are your thoughts on this?

Asked on 05/29/2018 by Zeb from Ventura, CA

Top Answer

Barrier coating a new boat is definitely a better position to be in than barrier coating an old boat, but not everyone can run out and get a new one. There may already be water in the old gelcoat and fiberglass, but if you have the hull taken back, allow it to dry for at least a few days or ideally a couple of weeks before applying a barrier coat primer. for the most part, the damage may already be done for some, but it may be the case where you can prevent further water intrusion if you can barrier coat it now.

Answered on 06/18/2018 by JD Tech Associate
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Answer

I would contact Pettit and ask for their opinion. Boatyards are notorious for blaming paint or anything else for the reason that a particular product is not as good as another. I would be even more sure of this if they are  recommending the interlux 2000 or something that they are representing as better.

Answered on 05/29/2018 by schro4066

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I can't comment on this particular issue, but I can state that I found the Pettit Barrier Coat garbage when compared with AwlGrip 545. Sanding was almost impossible. I can't for the life of me think why I decided to try the Pettit.

Answered on 05/29/2018 by jackinowego

Answer

This seems patently false to me. If the boat doesn't have any blisters you should be able to apply it. If the boat does have blisters then, yes, it would need to dry out and the blister repairs done prior to applying.

Answered on 05/30/2018 by charles

Answer

Dear Zeb Wish I could give a definitive answer however I can only relate my experience.First I live in New England so our in-water season is limited.Last spring I prepped my 15 year old ?new to me? 24 ft Four Winns for its first salt water marina season.The previous owner of 5 years kept it on a lake.The bottom had never been and there were no blisters ? other than a lot of old wax, the hull was in decent shape.After cleaning (found Oxalic Acid most effective) I opted to sand the bottom although not required by the Pettit application instruction for bare fiberglass.Using a roller, applied 3 coats of the Epoxy Barrier Coat followed by 3 coats of Pettit Horizons antifouling.When I pulled the boat in the fall, I just scrubbed it down and it was ready for the next season.I could not have been more pleased with the result- I didn?t see any evidence of poor adhesion.My suggestion - call Pettit.Then call another boat yard.

Answered on 05/30/2018 by robertsnbpt

Answer

I can't speak about the Pettit Epoxy Barrier Coat, but I did have experience with the Epoxy Primer and Epoxy topcoat. First, there were a lot of conflicting advice on how to apply the paint and also unusable product recommended based on how I applied the product. The end result was the worst paint job I had ever had and it also scratches off very easy. Totally disappointing! I reached out to Pettit for further advice and resolutions and never heard from them! My recommendation is to choose a different product and get a lot of info before starting anything. Good luck! Paul

Answered on 05/30/2018 by soundsolutionsmail

Answer

First and foremost I would check moisture level on your hull. If it falls within dry limits you are good to go if not it wont matter what you use it will push off. I just did my hull that has been in water seasonally since 1994. I had hull blasted at haul out and my hull was dry so I don't expect problems but time will tell. Russ

Answered on 05/30/2018 by agentfisherman

Answer

I was just advised by the professional that soda blasted my 1986 Viking down to the fiberglass to use 3 coats of the barrier and two coats of the Pettit Ablative Hydracoat and this boat is 30 years old and never had a barrier coat ever applied. I trust him as he's been doing this for over 30 years and is "top notch".

Answered on 05/30/2018 by ecmark

Answer

Well it's hard to believe but plastic absorbs water. Unless you dry the hull way down inside, you are wasting your $ and time.. good luck.

Answered on 05/31/2018 by rws19960
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Question

I have an older wooden hull, all fully scraped and sanded but still with part latex , part west system 3 repairs , part raw wood . Can I put Pettit 4700 high build epoxy primer over everything prior to top coats ?

Asked on 05/30/2018 by Andrew from Ocracoke NC

Top Answer

This product can not go over latex. The epoxy and bare wood are fine, but any latex paint must be removed before going forward.

Answered on 06/19/2018 by JD Tech Associate
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Answer

I don't see why not. As long as the surface is hard and dry. This is an epoxy barrier coat after all. With all those different surfaces I would apply several coats and sand carefully to keep the thickness. That wood hull worries me. Once you seal one side with epoxy, moisture will never get out that way. If the other side is not similarly sealed while the moisture content is at an acceptable level, you may create a situation where rot could get out of control.

Answered on 05/30/2018 by rpwhitehouse7531

Answer

I haven't used it on wood, but I've had great results on bare fiberglass below the waterline. I think wood would be fine and in general that's what it's designed for.

Answered on 05/30/2018 by miller_mark_web
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Question

how long can I wait to recoat pettit 4700 with a antifouling paint, the marina I'm using can not do bottom painting right away. I have ground and sanded my aluminum motor bracket to bare aluminum and going to prime with 6455 (one coat) then recoat with 4700 (3 to 4 coats). Then I'm having a marina bottom paint boat bottom and motor bracket. I still have not decided what paint to use on motor bracket above water line to finish please advise. PS I use boat in salt water only

Asked on 05/09/2018 by Dave from Tilghman, md. 21671

Top Answer

After a maximum of 10 hours (without applying antifouling at 50 degrees F) the bottom must be sanded with 80-grit sandpaper to allow for bottom paints to adhere. (In warmer conditions that window may be as short as 6 hours)

Answered on 06/12/2018 by JD Tech Associate
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Answer

6 months max in a shed3 months max in the sunIf longer scratch sand with 80 gritBlow off with compressed clean airWipe down with Pettit solventPaint 

Answered on 05/09/2018 by mccallp

Answer

We waited 30 days for the bottom to cure before painting.

Answered on 05/10/2018 by ltgrgrywg
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Question

Can this be used directly on sanded wood? What topside topcoat is recommended over this?

Asked on 09/26/2015 by Neal Garvin

Top Answer

No I don't think so. The can noes not say any thing about wood. This primer is to protect glass from blisters. I am in fresh water and have not painted it yet. If you are down to bare wood use good wood primer and two coats of bottom paint. Bob E.

Answered on 09/28/2015 by ROBERT ERVAY
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Answer

Yes on bare wood is ok I sealed wood with epoxy Then sanded then painted As far as painting over this I used a good quality enamel seemed to do a good job Oh sand epoxy paint before painting with enamel

Answered on 09/27/2015 by TIM HENDRIX
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Question

I have a 20 ft boat with a 6 ft beam. Will 2 qts be enough to get two coats?

Asked on 05/11/2015 by William Manwaring

Top Answer

to Bill M, If you are down to bare glass you will have no problem with two qts. It goes on very easy. Just mix it the way it tells you too. Bob E.

Answered on 05/11/2015 by ROBERT ERVAY
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Answer

Might as well get the gallon, Total Boat also makes a similar product

Answered on 06/04/2015 by STEVE GRAVELY
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Question

I'm planning to use PETTIT HYDROCOAT as my ablative bottom paint this year. The bottom of my boat will be blasted clean first. I want to apply a barrier coat first before using the HYDROCOAT. What Pettit product should I use for the barrier coat to insure a strong chemical bond between the barrier coat and the ablative paint? I'm concerned because HYDROCOAT is a water based product. Thanks! I look forward to your response.

Asked on 04/20/2014 by Frank Falcone

Top Answer

So far very pleased with results of Pettit Highbuild Epoxy system. Using it on a new boat project and also on a refurb of an old Boston Whaler. rolls on smooth, sands well, and fills cracks etc. well. Bonded well on the refurbish, have not put the top coat on yet but it sealed the hull nicely and makes a great primer for the finish coat. I will be using it again. North Shores Boats

Answered on 04/22/2014 by STEVE GRAVELY
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Answer

I use the Pettit Protect High Build Epoxy as spot coating when sanding exposes gel coat. I used the Hydrocoat bottom paint over the epoxy and have had no problems.

Answered on 04/24/2014 by MALCOLM SANDERS
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Question

can I use this over west system?

Asked on 06/20/2013 by Undisclosed

Top Answer

I scraped off all of the old bottom paint on my sailboat/ sanded with 60 grit and painted three coats. paints well and seems tough. not familiar with west systems but if its an epoxy bottom paint you can cover it with this epoxy. if its an anti fouling paint I would remove it all before covering with an epoxy

Answered on 07/22/2013 by GERALD JOURDAN
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Answer

Yes, you can... I have many times. Sand with 100-120 grit use dewaxer first.

Answered on 06/20/2013 by DEREK PAGE
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Question

Can the antifouling paint be applied directly over the primer or is sanding required before Hydrocoat application?

Asked on 03/21/2017 by Tony B from Pt Judith, RI

Top Answer

Pettit doesn't specify if sanding is needed before applying the bottom paint. We always recommend a light sanding after the primer cures for better adhesion.

Answered on 03/24/2017 by JD Tech Team
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Question

Does the paint work well on aluminum? Can I buy just the 4701 part B?

Asked on 12/31/2014 by David Dwyer

Top Answer

I have only used it on fiberglass, epoxy, and wood. It really sticks and covers well. I don't know why it wouldn't stick to properly prepped metal. Check out spec. sheets from Pettit. You have to ask Jamestown about the last part of your question. Good Luck.

Answered on 01/01/2015 by STEVE GRAVELY
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Question

What's the coverage area of one gallon? I have a 42 foot Sabre...

Asked on 08/03/2013 by jon duncanson

Top Answer

jon d, I own a 38'chris craft and I think I used not quit 2 gal. But I put on 2 coats. It spreads very well. It has been two seasons and is lasting very well. I pleased how it is lasting. Bob Ervay

Answered on 08/06/2013 by ROBERT ERVAY
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