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Pettit Protect High Build Epoxy Primer 4700/4701 is a heavy-duty, two-part epoxy-polyamide coating that may be used on almost any part of your boat. This versatile primer is excellent for not only preventing and repairing osmotic blisters, but is also equally effective at protecting underwater metals from corrosion.
Pettit Protect epoxy primer forms a tight, high build, durable chemical resistant film. The complete coating system is resistant to water, many industrial chemical fumes, and very humid environments. It is ideally suited to many commercial and pleasure craft applications and has excellent durability in exterior exposures, although, like most epoxies, it will chalk if not topcoated.
|DRY TIME at Substrate Temperature||To Recoat||To Paint||To Launch|
|90 Degrees F||2-16 hours||3-6 hours||48 hours|
|70 Degrees F||3-18 hours||5-8 hours||72 hours|
|50 Degrees F||6-24 hours||7-10 hours||120 hours|
Total dry film thickness is more important than the actual number of coats applied. On metal and fiberglass, if 12 mils total DFT is not achieved with three coats, additional coats are recommended until 12 mils total DFT is achieved.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
October 3, 2022
We painted our boat bottom added blue pigment it's a little tricky to use because of mixing and timing of it, but we are really happy with the results of this product.
February 18, 2022
Excellent for blister infill and patching . Sands nicely. Great product.
May 16, 2021
Applied this as instructed and the project came out well. Please note that the dry times and the recoat/ topcoat times are based on hull temps. They are also a guide line. Please download the instructions from Pettit and read thoroughly.
April 30, 2019
I used it on 45 year old Hunter 30 ! When I used it I also was able to use EZ-fair to fill blemish between to coats .. oh yea I'll be happy to use this products..
April 6, 2019
Paint DOES NOT make a smooth finish once dried! Will have to sand to smooth out before applying bottom paint! will not level out no matter how thick applied. Leaves brush stroke lines. Although not smooth the paint is very thick and yields a very thick layer in just two coats if applied by brush. Must work quickly and carry a lot of paint on your brush. MUST keep a wet edge. Once applied must move on. Paint small strips going length ways on the boat until it is covered. If you see a run or try to smooth out a rough spot once it starts to dry it will only make it worse, paint is very thick and will glob up. Tired to roll and tip but paint dries to fast and tipping only makes it more rough. Sanding required to get smooth surface. If you are looking for a super high build product and aren't worried about rough surface this product is for you. If you are looking for a very smooth surface without sanding find something else.
October 8, 2015
May very well do the job (barrier) but will not yeild a smooth finish like other products we have used. Try as we may, several types rollers and tipping, did not result in a suitable finish over which to paint for a smooth bottom job. Very hard sanding as well so be careful what you put this on.
January 12, 2015
I plan to use this on the cabinet bottom under a sink to provide a water resistant coating to the particleboard. Previous leaks have warped the board which has been leveled with floor leveling compound. The small container allows me to have enough to cover without the waste of extra coating left over. I had to look hard for this epoxy and container size.
May 14, 2014
This is a good high build epoxy primer. Goes on well and covers great. Also seems to sand well. Should seal and hold up well, have not water tested yet, but looking forward. Good price also.
May 13, 2012
Product was well packaged. Went on well following directions. Good coverage and rolled on easy.
September 1, 2008
It works very well if applied following the directions of the manufacture. I used it on the stern board of my old Zociac, to provide a water barrier. I know it would be good as a primer for under water metal parts. I mixed some of the primer with a putty knife. It dried on the knife and I had the devil of a time trying to get it off!
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