An excellent clear gloss epoxy varnish for interior and exterior use. At some point the varnish will need to be scuff sanded and re-applied. Wet sand the epoxy with 120-grit paper. Apply two or three coats of varnish following the manufacturer’s recommendations. Sanded it all off and started over again with just plain varnish. On fiberglass boats with wood trim, an in-situ method that works well is to undercut the wood trim all around the perimeter by 1/4″ and glue the edges down with epoxy to eliminate places where water can get in. At room temperature, the coating will be sandable in about 24 hours, sooner at higher temperatures. Second and third coats can be applied while the previous coat is still slightly tacky. When mixing epoxy, stir slowly. Given enough stretch/shrink cycles, the coating will eventually crack. This is why we feel it is so important to seal the screw holes with epoxy before installing the screws. I prefer the look of the straight Epifanes (seems to me more in keeping with the boat) and intend to do a couple of maintenance coats in the spring which will likely level out the grain again. The air escapes through poorly sealed screw holes and unsealed end grain. It is generally not recommended to use any two-part coating over any one-part … (Three coats on surfaces that will be sanded.) Quantity Calculator; Perfect Pick; Ask The Expert; Technical Bulletins; Safety Data Sheets; How To Videos; Color Cards. While this reduces the total days required, applying all the layers still takes a great deal of time. If you will need to remove the screw in the future, you can apply a wax or mold release to the screws. Search in title . Bristol Finish is a two part acrylic polyurethane that replaces varnish and lasts longer. Exact matches only. We recommend sealing holes with epoxy because varnish typically breaks down first near hardware. Two-part clear polyurethanes are known for superior UV resistance and scratch resistance compared to traditional varnishes, but they have shown mixed results when applied directly to wood. Strip the trim of all old finishes and dry it well before coating the undercut area with unthickened epoxy. Allen May 6, 2014 12:21 am Hi Marc- Very helpful info. So, the epoxy coating benefits by getting the protection from UV radiation that it needs. ADDEV Materials offers customised packaging and component quantities to meet your requirements. Epoxy with Exterior Varnish. We can offer varnishes and resins suited to all types of impregnation process (standard dipping, trickling, dip rolling, vacuum pressure impregnation, etc.) I would try a small sample and leave it on for a couple of weeks before I would try it! Varnish manufacturers now formulate products that speed up the process by allowing recoating the same day. This removes the water-soluble, wax-like byproduct of the epoxy curing process. 120-grit-150-grit provides a good tooth for varnish adhesion, and coats of varnish easily fill scratches. The epoxy resin varnish paint film has excellent physical and mechanical properties, and has good corrosion resistance and water resistance. I do recommend Sikkens or spar varnish, and it is very easy to recoat every few years. When the wood changes dimensions, it forces the varnish to stretch and shrink in order to stay attached. Get a price list! Moving With the Weather. Unlike paint, epoxy does not “air dry.” The two-part resin depends on a catalytic reaction to cure. The appeal of well-maintained, varnished wood trim on boats is hard to deny. It's not. However, I'd say - for PA - 7 coats & sanding with 2 new coats each year is a minimum. Can I apply Gleam Marine Spar Varnish directly over epoxy? If it ever does need to be removed, then it also is easy. Sunlight warms the wood, causing air in the wood to expand and create pressure. Simply wash the epoxy surface with water and a 3M Scotchbrite pad, then dry it with plain paper towels. Reply . The varnish protects the epoxy from UV damage and the epoxy gives the varnish a nice and stable surface to bond to. The old IWP exterior doors had a catalyzed finish that looked great but was very difficult to refurbish. Not sure if the Epifanes Clear Varnish is only for non-painted wood. Historically, “the look” was achieved by applying twelve or more coats of spar varnish. If the resin and hardener aren’t completely … We have decided to keep OLD MASTERS 92304 Spar Marine Varnish on our list of choices. Mixing ratio is 2 parts base varnish: 1 part EV-410 Catalyst. Another method to achieve “the look” is gaining popularity and cuts labor time. We recommend 207 Special Clear Hardener for clear coating and bright finishes. As it turns out, the most important difference is flexibility. Can be used over a one component varnish primer if desired. If everything is done right and water is kept out of the wood, coating wood trim with epoxy prior to applying varnish works extremely well. UK and Europe . In contrast the epoxy/varnish finish is still free of any visible grain, no doubt due to the relatively inert nature of cured epoxy. This required a period of weeks because only one coat of varnish could be applied per day. In new construction or when existing trim is removed for refinishing, we recommend that you encapsulate the piece with two to three coats of epoxy on all sides prior to installation and prior to applying varnish. I cannot imagine removing an epoxy finish - the cost and time would be prohibitive. Coating with three coats of WEST SYSTEM 105 Resin/207 Special Clear Hardener has the potential for dramatically reducing the effort needed to maintain that beautiful wood trim over time. We are happy to announce that MAS Epoxies has joined with Bristol Finish to offer the best epoxy & UV varnish systems for interior & exterior applications from start to finish. May 15, 2015 at 2:33 pm . I have seen people use some type on clear coat on exterior stone. Please help… Reply. Repair rotten wood – make varnish last. 207 will not blush. The resulting epoxy/varnish coating system is much more longer lasting than either one alone. Moisture from dew and rain is drawn into the wood as the pressure equalizes inside the wood. You can stain over epoxy if you're using a gel stain, which works like paint more than stain. Yes, but make sure to first wash the epoxy with water and scrub clean, then rinse and dry in order to remove any amine blush, then sand smooth, remove any sanding residue and then apply varnish. Their stain is sold in powdered form, which must be added to water the day before you plan to use it so all the crystals will dissolve. Apply three coats of WEST SYSTEM 105/207 epoxy. We can offer varnishes and resins suited to all types of, Vendor Managed Inventory (VMI) / Consignment, Calla® 1452 & AeroDis® 7127 for safe passengers and crew in aircraft, Bonding assembly: materials and good practices for application. So, we weigh up the pros and cons of each of them before deciding on the best sealing product for wood, overall. Remove the trim piece and clean all bedding compound and contaminants from the wood. For finishing, the best option for you is clear spar varnish (exterior varnish). This occurs because moisture finds its way in through screw holes as a result of thermal cycling. However, the appearance of the stain may be adversely affected. If you plan to use oil-based stains, be sure to experiment to verify that adhesion is adequate. If you forget to apply mold release to the fasteners, you can use a soldering iron to heat the fastener head for removal. Currently, I am using a water-base stain on Ash and I am thinking about trying Spar varnish to finish it. They also tend to develop cracks due to expansion/contraction of the wood. Scuffing the stain with a soft abrasive pad before applying epoxy will usually improve adhesion. Seasonal changes in moisture content occur because varnish is not a particularly effective moisture barrier. Nor will it entirely prevent sun fading or darkening. Make Wood Good. Varnish is VERY sticky. One is to stay attached to a substrate that is expanding and shrinking as the moisture content of the wood changes. Epoxy and exterior varnish enjoy a symbiotic relationship: The epoxy forms an impenetrable moisture barrier that prevents seasonal … Search in content. Allow the last coat to cure thoroughly. Bed in epoxy or flexible bedding compound. Exact matches only . Something like Epifanes will work but 6-8 coats must be applied. As the wood cools due to declining evening temperatures … Varnish benefits from being applied over a stable substrate. System Three Marine Spar Varnish is also resistant to … I have done tests on the best way to maintain a 'varnish' like clear, exterior finish (CLICK HERE FOR THAT PAGE). Buy Clear Penetrating Epoxy Sealer (CPES) and much more online. This is the finish favored by boat builders so you know it’s going to last a long time. It sticks to my hands so bad I have to clean my hands periodically during the work day. Epoxy is stronger, less likely to be damaged, more waterproof, and requires less coats to finish the wood. It’s specially designed to deal with harsh weather conditions, moisture etc. It basically comes down to sealing the surface with epoxy and then coating with varnish (which seems to have natural UV blockers - but only lasts a year or two) or some other product with UV blocking and/or absorbing chemical additives. UK and Europe. Each coat had to be sanded before the next coat could be applied. CPES protects your timber and bonds your Epifanes varnish to the wood. Generic selectors. It is important to eliminate places where moisture can find its way into the wood. How to get over 15 years from the varnish finish on a wooden boat; the boat varnish techniques and products that give a finish that really lasts. Initially I had tried the epoxy sealer (System Three standard resin), but even with 7 coats of varnish on it the epoxy went bad in three months (it got gold spots of resin degradation). Applied over epoxy, they perform beautifully together and outlast either coating used by itself. Not removing amine blush can result in subsequent coats of epoxy or varnish failing to adhere to the substrate. Exact matches only . Some professional boat restorers report good results applying epoxy over certain oil-based stains if the stain is allowed to dry for several days. The result will be a rough surface and unsatisfactory protection for the wood. Varnish & Wood Finishes; Epoxies; Primers; Thinners and Dewaxers; Sealants & Adhesives; How To & Advice. Apply two or three coats of epoxy and eventually protect the trim with three or more coats of varnish. Applying more than one coat per day caused the varnish to dry slowly, and in some cases to alligator and wrinkle. WEST SYSTEM 105 Resin/207 Special Clear Hardener and varnish complement each other synergistically. Simply apply a few drops of epoxy to the pilot holes or use a pipe cleaner to quickly swab the screw hole with epoxy before running in the screws. Exact matches only. This includes applying epoxy to screw holes prior to running the screw in place. For best results, apply at least two coats. After many years of decent results with two part poly exterior finishes, we went to a new finisher using Euro-x exterior water based lacquers with poor results. This will stop the air from escaping and prevent water from getting in. Wood moves with variations in humidity. It depends what kind of varnish we are talking about. Stirring quickly will create bubbles that may stay in the material long enough to cure. Buy Clear Penetrating Epoxy Sealer (CPES) and much more online. As we try to get back on track, we are trying to decide between the two part poly, an epoxy barrier coat followed by varnish and a more traditional spar varnish on its own. More importantly, sealing wood with an epoxy moisture barrier dramatically lessens its stretching and shrinking. Epoxy Resin Dye – Mica Powder Black Diamond Pigments VARIETY PACK 4 (10 COLORS) PURE, 2TONE series variety pigment packs (Epoxy,Paint,Color,Art) 4.8 out of 5 stars 1,036 $17.99 $ 17 . Best Epoxy Wood Fillers J-B Weld 8257 KwikWood Wood Repair Epoxy Putty Stick- 3.5 inch This epoxy putty stick comes in two different lengths of 3.5 inch and 7 … One way to deal with the prohibition of using epoxy outdoors is to over coat it with an exterior marine non-poly oil based varnish. Allow it to dry thoroughly. IOW - 5 coats of varnish will last longer than epoxy with 5 coats on top. Be sure to scrub with water to clean the epoxy prior to sanding. Once inside, it is trapped and causes the wood to swell and discolor, which eventually causes the varnish to lift and peel from the wood. Used as insulation varnish, protection varnish or as a conformal coating, epoxy varnishes cure at room temperature or are UV-cure and produce effective lamination and bonding in outdoor environments. Mixing ratio is 2 parts base, 1 part catalyst. Can 2 part varnish like Envy be used over existing varnish? Because there are no solvents evaporating away from the epoxy, it builds thickness faster per layer than varnish and it doesn’t shrink when it cures. Sunlight warms the wood, causing air in the wood to expand and create pressure. The air escapes through poorly sealed screw holes and unsealed end grain. Used as insulation varnish, protection varnish or as a conformal coating, epoxy varnishes cure at room temperature or are UV-cure and produce effective lamination and bonding in outdoor environments. High-quality marine varnish is formulated with UV filters. It provides superior weather durability and excellent chemical and solvent resistance. Be sure all fastener holes are sealed with epoxy. Many oil-based stains compromise epoxy adhesion because the pores of the wood are plugged by these stains. It evokes our past and we respect the owner because of all the time and effort it takes to apply and maintain the varnish. Search in title. It provides superior weather durability and excellent chemical and solvent resistance. Wood surfaces completely coated in epoxy and protected with varnish or two-part polyurethane clear exterior finishes significantly outlast traditionally applied and maintained varnishes. System Three Marine Spar Varnish is a high-build coating designed for marine epoxy and exterior wood surfaces such as railings, doors or any surface where a clear, durable gloss finish is desired. When varnish is used alone as a coating, it is constantly fighting two distinct battles. Mix epoxy thoroughly. 05-05-2013, 02:08 PM #6. Then lightly sand with 320 or 400 grit to prep the surface so varnish bonds with the epoxy. Repair rotten wood – make varnish last. Pat. System Three Marine Spar Varnish contains state-of-the-art UV absorbers, which will keep wood looking beautiful even with constant exposure to strong sunlight. The two in combination last longer than each coating by itself. (See Joe Parker’s article Comparing Surface Preparation Techniques for Paints & Primers which explains how to set up test samples.) Yes! Three coats of epoxy followed by three coats of varnish can achieve the same depth and look of twelve or more coats of varnish. Make Wood Good. Then fill with epoxy that has been thickened with 406 Colloidal Silica and colored with wood sanding dust. You may then sand the surface and continue following the steps in this process. Two to three coats of epoxy also provide a stable base for clear two-part polyurethane finishes. Exterior finishes give protection for required maintenance due to moisture, heat, expansion, contraction and ultraviolet light. Initially, spar varnishes were used to protect sailing ships but now they’re used to finish all types of exterior wood. System Three Marine Spar Varnish is a high-build coating designed for marine epoxy and exterior wood surfaces such as railings, doors or any surface where a clear, durable gloss finish is desired. To eliminate places where water can get in, coat all drilled installation and hardware attachment holes with epoxy just prior to running the screws in. Some stains are better suited for use under epoxy than others. What I need to know it what would be the best exterior varnish to make the sign last for a few years to come. Once I got rid of the epoxy (definitely some wood loss in that) & went to just varnish, I got much better results. Reinstall trim. Laminated Canoe Construction Gives Lasting Value. You can install the trim with commonly used bedding compounds or glue it in place with epoxy. Epoxy With Exterior Varnish by FUXI has excellent adhesion, acid resistance, and is used in strong corrosive environments. Be sure to use a non-poly varnish. Can this varnish be used over wood sealed with epoxy? This occurs because moisture finds its way in through screw holes as a result of thermal cycling. Designed for marine epoxy and exterior wood surfaces; Resistant to scratching and damage; Keep wood looking beautiful; Offer a fantastic finish and shiny look ; OLD MASTERS 92304 Spar Marine Varnish, Satin. Can be used over a one component varnish primer if desired. Todd Bradshaw. As the wood cools due to declining evening temperatures or daytime rains, the air inside the wood shrinks, creating a negative pressure that draws air and moisture in from the same places it escaped. We recommend using water-based aniline dye stain if you plan to apply epoxy. This seals the wood, effectively protecting it from water. Wood movement can cause brittle lacquer to crack or craze. This should include varying how long the stain dries before you apply epoxy. Use finer grits with thinner finish coatings. Many people refinish their wood trim in place by stripping the old finish, sanding and applying two to three coats of epoxy before applying varnish. I’ve never met an epoxy able to do all things: sealing, casting and finishing. The undercut area should be free of all bedding materials, leaving the wood and gelcoat clean and abraded. Some professionals add extra solvent to the … Amine blush, a byproduct of most epoxies’ curing process, will otherwise compromise the varnish’s ability to bond to the epoxy. Can you stain over epoxy resin? The PO of my boat must've owned stock in West & coated everything. Our teams will answer as soon as possible. Aniline dye stains, when dry, allow the epoxy to penetrate through the dye and attach to the wood itself. Search in title . It’s also important to consider other finishing products though including varnish, polyurethane, and shellac. Good varnishes are designed to address both stretch/shrink cycles and UV degradation but eventually, the two forces in combination will break down varnish and cause it to fail. At room temperature, all three coats can be applied the same day. The other battle is oxidation from exposure to the sun’s UV light, a phenomenon that contributes to loss of gloss and cracking. Many people believe exterior varnish is more waterproof. WD Lockwood in New York City (212-966-4046) is an excellent source and offers a variety of different wood-colored stains which can be blended together to achieve a specific color. When you combine MAS Epoxies and Bristol Finish you get an extremely durable, waterproof, and sun-proof final product. If you plan to use epoxy prior to applying varnish, be thorough. Epoxy is not UV-resistant, so if it’s meant for the outdoors you should topcoat your wooden piece with an exterior varnish or paint. An excellent clear gloss epoxy varnish for interior and exterior use. I have not. An epoxy sealer with exterior varnish topcoats is the most durable, but also the most labor-intensive finish you can apply to outdoor furniture. If the application is poor, moisture will find its way into the wood and the moisture barrier qualities of epoxy will work against you, increasing the chance of rot and of premature failure of the coatings. Achieve up to 20 years life on exterior varnish with this kit. Professional yacht refinishers now use WEST SYSTEM® 105 Resin/207 Special Clear Hardener as a clear base over wood trim before applying coats of varnish. Generic selectors. … In addition, three or more coats of 105/207 can be applied per day. Search in title. * If you’re using an epoxy hardener other than 207 Special Clear, such as 205 Fast, 206 Slow, or 209 Extra Slow, and the epoxy has fully cured, you’ll need to remove any amine blush before you continue. For this method to work, it is important that the bedding compound beneath the trim be in good shape so water does not find its way into the wood behind the coating. Sand the piece to remove stained and weathered wood. We recommend sealing holes with epoxy because varnish typically breaks down first near hardware.

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