Shop, read reviews, or ask questions about INTERLUX InterProtect® E Barrier Coat System at the official West Marine online store. Since , West. Buy Interlux YEKIT/QT Gray Interprotect E Epoxy Primer Kit, fluid_ounces: Automotive – ✓ FREE DELIVERY possible on eligible . InterProtect E is a two-part self priming epoxy designed to protect fiberglass boat hulls from water absorption and reduce the likelihood of gelcoat blisters.

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Interlux’s Micro-Plate formula creates an effective barrier against water permeation.

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It is also an excellent primer for all metals and can be used as part of a no sand system. The item was added to your shop cart. Two-part epoxy water barrier with Micro-Plates Up to two weeks is allowed between coats of E Now available in two colors, Gray and White Fast drying, easy application Sag resistance to insure the elimination of sags and runs during application Technically, InterProtect Micro-Plates provide millions of overlapping microscopic plates that create a barrier similar to shingles on a roof.

These overlapping Micro-Plates eliminate any direct path for water migration and also improve the sag resistance of the epoxy making application easier. What is Gelcoat Blistering? Osmosis is caused by a chemical reaction between water and unreacted substances remaining in the manufactured hull. Water breaches the exterior gelcoat and reacts with the chemical components creating acidic substances.

These substances create pressure behind the gelcoat which causes blisters and eventually cracking.

Once the gelcoat is breached in this manner, the underlying laminate is capable of absorbing water like a sponge. Use the Interlux InterProtect system to treat and help prevent this serious interprotrct.

This formula helps you calculate how much paint is necessary for wetted surface area i. Calculate surface area as follows: For complete hull coverage calculate total surface area to be covered, then follow the division step. Yes, use a good fairing compound, then a thinned Interprotect as a barrier coat, usually I use two thin coats, tint first one. But doing gel coat will be tough if you dont have lots of experience and good spray equipment.

Interlux InterProtect Barrier Coat Epoxy Primer | E E

You might want to consider a two part polyurethane to get a good finish coat. I would reccomend against adding gelcoat ontop of the barrier coat, aspolyester doen’t adhear to the epoxy. Yuu should be fine with X layers ofbarrier coat followed by an antifouling. No need to add gelcoat again interprtoect coat is inplace. Intfrprotect product will work out great, we have a lot of customers that use this product for this purpose.

You may want to contact Interlux for their take on going over other paints. Generally, we have found that you can go over 2-component paints with products like this, but one component paint systems will soften and fail quickly from the solvent content. It’sone of the best marine coatings of all time I would suggest you get one gallon kit in gray and one gallon kit in interprofect.

I did 6 coats on the bottom of my 18′ Marshall catboat and I used abouta gallon and three quarters of the second gallon. Alternating 2 different colors from coat to coat helps ensure complete coverage. Hi Rick, without the beam of the boat I can truly not give an accurate number.


I’ll assume that your beam is 7′ in this case, so it is roughly sq ft. Hi Rick,A complex answer to a simple question. It depends on whether you are spraying or rolling it, whether you will be fairing and putting a fine finish on it or just leaving it as applied. I primed a 33′ sailboat but I sprayed the primer and longboard sanded probably 6 or 7 coats to fair the bottom perfectly smooth.

It’s a huge amount of labor and prep, so the money saved by too little primer is not justified if you have to barrier coat it more than once. Just over-do it on the primer and never do it again. You should not have any compatibility issues with E over Intif the surface is cleaned properly interprtect lightly sanded for a good mechanical bond. Perfection should not have any issues so long as the mix ratio is right and the E has cured as it is supposed to.

I would stick with same brand not a good idea to mix manufacturers and make sure you check with the manufacturerGary J. Hi Frank, yes you can apply Brightside over InterProtect. You need to let the InterProtect cure completely and sand before applying the paint –you can’t use the thumbprint tacky method. For the spreaders, I agree with you. Alodine might also be good for a primer. Not sure about the saildrive. Sent from Mail for Windows InterProtect is a good product and the epoxy factor is a good one.

Epoxy barrier coats tend to work out as great primers for things like spreaders and metals. It’s really a preference thing whether you want to apply Primocon or InterProtect to your sail drive. I would see what others have done, and in some cases the engine manufacturer has a recommendation based upon their experiences.

While I have used both products, and will happily again, I don’t have experience with waiting that long between layers. Unsolicited thought says I would wait inetrprotect apply them close together just before splash time.

Sent from my iPad. 2000 Gene,I’m not sure I would coat the bottom paint and keep it out for over a year.

I would probably opt to do the Interprotect Barrier coat now and allow the Interprotectt degradation. When the boat gets closer to launching, I would sand the bottom again and reapply 2 coats before bottom painting.

Apply the products maybe a month or two before you splash the boat. Remember, you don’t want to be sparing with the epoxy barrier. More coats is better. Your anti-fouling paint needs to be applied to the last coat of InterProtect E within about three hrs or so I don’t remember the exact time for the first coat of anti-fouling to bond with the IP. If you are priming below the waterline, use the E, that may be used above and below the waterline as a universal primer for all surfaces.

It is also an excellent primer for all metals. I used this on bare aluminum sanded with 80 grit paper. I applied it easily interprotecr was amazed at the hard, well-bonded coating.


I then sanded with grit the next morning and applied the finish paint. I prime and paint the aluminum pontoons on my boat every year to protect from Salt water. Have used on a 50 year old Wayfarer sailboat iinterprotect this product gives her good protection from moisture and sands well for a fast bottom. I used e on a world cat that had been previously bottom painted. I soda blasted the bottom, then applied e for an aesthetically pleasing look since I no longer want bottom paint on the boat.

I’ve rolled it and sprayed it. It works well both ways, but if you have the option I would spray it, especially if you are doing large areas. This is a very durable product that dries quickly and sands nicely.

I sanded it slick to attain better fuel mileage, but it didn’t help the economy, so Inherprotect would recommend applying it and letting it dry.

I had hundreds of small osmosis holes 2000e a 30yo 8 metre fibre glass yacht hull. I took all old paint and anti inter;rotect off. I cleaned hull and washed it every other day with clean water for a month.

I let it dry for a month. I filled holes with interprotect. Filled holes with interprotect. Put on four or five coats of interprotect. Put on two coats of anti foul.

When it came out eight months later hull was perfect. Now working on iron hull, starting in at two inches at bottom with rust. Coating over epiglass on my blistered sailboat hull. I found this to go on easy. The grey over white coats and vice interpritect made full coverage easy. Tossed the roller covers and brushes after each coat. But acetone cleaned up other stuff well, probably could have saved a few brushes.

It is a 2 part epoxy based paint, so be sure to mix the paint very thoroughly prior to application. Used a 6″ foam roller to apply, but had to change out the roller regularly, to keep it from gumming up or falling apart. Be sure to roll it on thick and to get good coverage. I have found it is better to go slowly, with very gentle pressure to reduce orange peal and roller lines. Work with interproyect amounts and 200e0 sure to get is rolled on evenly.

Final sanding for a smooth finish is knterprotect. Can be over coated with a compatible anti-fouling paint or finish epoxy paint. I used this interprptect reseal the bottom of an old Seafarer Wasn’t sure if it had ever been done in the past. Bought two colors so I could see the different coats. Didn’t need to do that, it drys flat and you can see the overcoats easily.

Covers well, a little more than I expected. Stinky to work with, make sure to wear a respirator. Turn the cans over and let them sit for a while before you use them.