You can over-spray with PVA before gel coal reaches its gel stage (5-10 min. Can you apply gelcoat over this primer? Allow it to cure completely. It is not often used as a post-production finish coating, but it can be applied over epoxy and is useful in some repair situations. Sep 17, 2017 #2 K. kmac Commander. Refer to our Fiberglass Boat Repair & Maintenance manual (pdf), published by Gougeon Brothers, for detailed information on patching gelcoat over an epoxy repair. Only 9 left in stock - order soon. The smaller the repair, the easier it is to coat epoxy with gelcoat. On another note, I think one of biggest problems with sanding the old gelcoat isn't so much doing the flat areas, which won't take long to scuff up with a power sander. I'm trying to gelcoat (Evercoat with wax) over some West Marine 105 epoxy with 205 hardener and 407 microballoons. After years of boat ownership, and using every product under the sun, he also revealed his personal favorite waxes and polishes, and how best to apply them. Posted on November 11, 2015 by Kristin. Awlgrip is a polyurethane paint, not a gelcoat. The test included a variety of finishing processes. They want to know if it is okay to go over it and what they have to do to properly prepare the surface. As with all our products, if… The larger the area, the polyester will be more difficult to work with and more likely to malfunction (not cure).-Mix and apply the epoxy to the surface to be repaired. SIM is correct polyester gelcoat doesn't adhere well to epoxy for some odd reason (even properly prepared). Get it as soon as Wed, Dec 2. a company called fiberglast sells the gelcoat and pva much cheaper than any marine supply. Epoxy Resin $ 16.25 – $ 365.60. And gelcoat over large areas is a TON of sanding 🙁 Not fun!! For large areas like what you’re talking about, I almost always suggest using a paint that can be rolled and tipped. 22 Abrasives 25 Brushes/Rollers/Pans 19 Boat Parts And Accessories 18 Caulking 1 Clothing 54 Detailing 47 Epoxy Resin and Glue 35 Fiberglass 8 Foam/Core Material 16 Gel Coat 3 Hardware 3 Hardeners 23 Mold Fabrication 51 Paint 8 Polyester Resins 25 Putty/Fillers 22 Safety 9 Solvents 13 Measuring & Mixing 9 Tape 2 Trims and Seals 26 Tools 3 Vinyl Ester Products 7 Vacuum Bag Supplies Primers are sold separately. Replies: 5 Views: 1,153. trip the light fandango Apr 11, 2019. Cost can be the second consideration. However epoxy and polyester don't cure together well. Industrial Epoxy Finishing Coating. over epoxy. If you do try and apply gelcoat over epoxy you might want to see what West Systems has to say about surface prep, etc. The tests were done on a gelcoat finish over a simulated repair made with epoxy. So, we are here to provide a step-by-step guide on how to properly apply gelcoat. How to apply gelcoat over epoxies (Marine Tex):-Applying polyester resin (like gelcoat) over epoxy is very tricky and must be done extremely carefully. That said I normally just paint over the epoxy without special prep. The smaller the repair, the easier it is to coat epoxy with gelcoat. However, for relatively small cosmetic repairs, epoxy resin can be used in the repair layup if you do the following: Measure the epoxy and hardener accurately, mix properly, and apply as directed. Gelcoat should not be applied directly over TotalFair or the gelcoat will not cure properly. You could try putting gel coat over … Yellow Pigment for Epoxy Resin, Gelcoat, Paint, Latex - 4 oz. Gelcoat skal afsluttes med en topcoat for at få den blanke overflade, mere om det senere. Colour Paste Colour Paste – 225 mL(8 oz) $ 27.75 – $ 42.50. Instead, apply TotalBoat 2-Part Epoxy Primer or TotalBoat TotalProtect Epoxy Barrier Coat Primer over TotalFair, before applying Gelcoat. In-mould gelcoat compatibility with epoxy. If the gelcoat is in good condition with no major cracking or crazing, the job is relatively straightforward—clean and prepare the surface, apply an epoxy primer, sand the primer, remove the sanding residue and then apply the topcoat. TotalProtect will fill in tiny scratches due to its high-build capabilities, but it’s not a fairing compound or filler. Many of our customers are hesitant to use it, thinking it’s too complicated or they think they can’t end up with a good finish. 99. Spraying either gelcoat or paint requires tools that most people do not have access to. Joined Mar 19, 2012 Posts 352 Likes 100 Browse our categories. Gelcoat should not be applied over paint, wood, metal or concrete. -Applying polyester resin (like gelcoat) over epoxy is very tricky and must be done extremely carefully. If your gelcoat is looking really dull, with no bright or shiny spots, you'll need to apply polish first. Have the hull checked with a moisture meter to ensure that the fiberglass bellow the waterline is dry. Suitable for use under all Interlux topside finishes, Epoxy Primekote® is a multi-purpose two-part epoxy primer. Instead, apply TotalBoat 2-Part Epoxy Primer or TotalBoat TotalProtect Epoxy Barrier Coat Primer over TotalFair, before applying Gelcoat. evercoats pva costs about $16 per pint which does not go very far where as a gallon from fiberglast cost me $22 and i swear it … Re: GEL COAT over epoxy.. Luis, You can use polyester gelcoat (and resin) over epoxy, if you prepare the surface properly. Fiberglass Repair – Using Gelcoat Over Epoxy. Nicks and dings in your fiberglass are common to any boat, whether or not it gets used often. The materials don't work well together, and trying to mix them like this is a recipe for disaster. Over time and with use, the gelcoat on your boat can become dull, making your boat look old. Black Pigment for Epoxy Resin ... FREE Shipping. Som enhver anden overflade og finish vil gelcoat også få ridser og småskader og bør derfor løbende vedligeholdes. Gelcoats that are more heavily cracked or crazed will require additional preparation and labor. Crayolo, Apr 11, 2019, in forum: Fiberglass and Composite Boat Building. Although I've never tried it. While epoxy adheres tenaciously to cured polyester, the reverse is not true, so the bond between an epoxy repair and an overcoat of polyester gelcoat will not be strong. Although it appears that the metal flakes are mixed into the base coat, they are usually mixed into the clear gel coat. Gelcoats are modified resins which are applied to moulds in the liquid state. The first coat or two of the latex will show lots of paint brush marks on the slick and smooth epoxy. Add to Wishlist + Quick View. I even left it overnight - still sticky in the morning. The larger the area, the polyester will be more difficult to work with and more likely to malfunction (not cure). Yes. Gelcoat or 'Gel Coat' is a material used to provide a high-quality finish on the visible surface of a fibre-reinforced composite.The most common gelcoats are thermosetting polymers based on epoxy or unsaturated polyester resin chemistry. As a polyester-based gelcoat it brings the advantages over epoxy gelcoat of being highly polishable and offering excellent UV stability. For scratches, dings, and dents 1/16” deep or greater, use TotalFair epoxy fairing putty first, then sand smooth and overcoat. Repairing damage to your gelcoat and fiberglass can seem intimidating, but when done properly, can be a simple and even quick repair. Gelcoat will not fully cure without adding a surfacing agent or wax additive sanding aid. 4.6 out of 5 stars 16. Restoring your gelcoat can help restore the shine of your boat and protect its surface. The trouble is, where the gelcoat is over the epoxy, it just won't set. One of my customers makes smaller racing sailboats and they make a special boat with kevlar and epoxy and over several years most if not all of the gelcoat delaminated from the epoxy/kevlar. EcoPoxy GelCoat is an epoxy coating with superior chemical, abrasion, and thermal resistance. Metal flake is commonly used in clear gel coat for that “bass boat”. It can be used to resurface cracked and crazed gelcoat, and over clear epoxies to eliminate the effects of amine blush. FREE Shipping on orders over $25 shipped by Amazon. $14.99 $ 14. It usually will not adhere to these surfaces. It's time to add a stripe or other custom design to your boat and you don't want it to look like you were attacked by amateur graffiti artists. This means that the boat was out of the water for at least 30 days. Like any painting project, preparation is the key and, in this case you will be painting over the slick, shiny surface of gelcoat. Use polyester for repairs that will be gelcoated. To apply an epoxy barrier coat over the gelcoat your boat NEEDS TO BE DRY! The issue is the non-skid. Additional Application Notes In spring 2017, BoatUS Magazine's contributing editor Lenny Rudow held a webinar on maintaining and polishing fiberglass gelcoat, and showed us how to keep our hulls in top condition. If it's a large surface such as a boat or a bathtub, use a gelcoat spray gun to apply a coat over the existing coat. Gel coat is a resin that is pigmented with color. Typically, gelcoat isn't recommended over epoxy because they’re chemically incompatible and the gelcoat won't adhere properly. Du vil modtage information om produkter, tilbud og vores virksomhed. If you haven’t seen this video series yet, it … Gelcoat should not be applied directly over TotalFair or the gelcoat will not cure properly. In addition, we varied the length of time the epoxy was allowed to cure before being subjected to high moisture conditions. the 2 step finishes exactly like the original gelcoat where the 1 step balls up and gets gummy when sanded. Epoxy filler, although a great product is not suitable for a gel-cote top coat. FREE Shipping on orders over $25 shipped by Amazon. will epoxy resin bond over old gelcoat if its cleaned up with 36 grit and degreased with solvent, or does the gelcoat have to be completely removed down to bare glass using silver tip epoxy for console repairs . epoxy over gelcoat. Begin by making sure any surface dirt and stains are removed. To prepare the epoxy surface, you must sand it to remove the surface shine(and certain chemicals), and wipe it with acetone. Yes, you can apply gelcoat over a surface that's already covered with gelcoat. I frequently get calls and emails from folks who want to install our epoxy over an existing epoxy floor or coating that they have. It is easily applied with a brush, roller, or sprayed to provide a smooth, non-porous high gloss finish on many surface types such as … Vi lover at passe på dine data og holde dem sikret. In some cases it is best to wash and or sand the epoxy first (many epoxies - not our No Blush Marine Epoxy will 'blush'). Good luck. If the existing epoxy is a good hard solid one that is well bonded to a well prepared substrate it is possible. Ja, tak til de bedste tilbud og nyheder Dine personlige data vil hjælpe os når vi skal sende dig vores nyhedsbrev. I like the way the way 2 step finishes much more than the 1 step. What distinguishes GC50 from a conventional polyester gelcoat is its exceptional bond to epoxy laminates. Lenny Makes Her Shine! Surface prep is critical so be sure to completely remove the amine blush. Latex goes over epoxy very well. Properly applying gelcoat is the key to a good finish. 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