What it all comes down to is protecting wood, and for exterior applications, spar varnish does a better job of it plain and simple. Contains UV blockers to reduce the sun's graying and fading effects. The other point that i would like to bring up is sheen levels. It’s expensive, but it’s the best way to go. Will it kill your project to use a cheaper finish? Forms a protective barrier against rain, moisture, and UV blockers reduce the sun's graying and fading effects Ideal for use on interior or exterior wood surfaces to include doors, windows, trim, bathroom cabinets, bar tops, kitchen countertops, and outdoor furniture Not recommended for use on floors, decks, or fences Recoat after 4 hours So if you scuff up the current poly layer with some 220 grit sandpaper, just apply the spar urethane right on top. FREE Shipping by Amazon. Thanks for you help. Regular polyurethane and varnish contain little, if any, UV blocking additives, and that alone makes them a poor choice for exterior application. Its low toxicity, however, means that it’s equally safe to use near the entryway on exterior doors and trim. I’m contemplating doing some wood counter tops and would like more info on how they would hold up with varnishing before I make a final decision. Last but not least, every spar varnish needs to protect itself and the underlying wood from the sun. Required fields are marked *. If high gloss is what you’re after, a paste filler with stain is my first coat for open grained wood (oak, mahogany), wiped off against the grain, then 3-4 coats of high gloss spar with the 1st coat thinned a bit, with a light scuff sand between coats. Without UV protection, varnishes and wood quickly break down and fail. The term “spar varnish” comes from the boating world, where the long wooden poles that support the sails are known as spars. It’s a formula that gives your outer wooden structures sufficient protection against damaging elements such as sunlight, water, as well as chemicals on wood surfaces above the waterline. Hi Randy. "Restores wood's moisture content and helps it stay flexible." Forms a protective barrier against rain and moisture. You can find it in a variety of gloss levels as well. Could I apply spar varnish over top of the table or would it need to be sanded down to a raw state beforehand etc? From what i can tell of the original finish only the spar varnish was applied. Explore our colors. Poor preparation and application can’t be overcome by a premium product. Exterior Polymerized Tung Oil Sealer or Medium Lustre. Last but not least, every spar varnish needs to protect itself and the underlying wood from the sun. It’s not a terrible idea. How do I start using my Montana VARNISH can? A spar varnish is a finish specifically designed withstand the rigorous conditions of seafaring life, which means it can also handle anything your backyard throws at it. These products typically have good UV blockers in them. The high gloss is the natural state of most varnishes, spar or otherwise, and in order to take that down a flatting paste is added. Absolutely not, but considering the amount of work you put into your project, wouldn’t a few extra dollars be worth it for a longer lasting finish? If you use spar varnish, 1 year. It also contains a UV filter which is needed to protect the wood from breaking down in outdoor conditions. Screens out UV rays How do we restore the front of the door to look the same as the interior side of the door? Better ingredients result in a better product and those better ingredients cost more. Exterior polyurethane with UV blockers is also available, but it doesn’t hold up as well outside as spar varnish. The builder, and subsequent house painters all said that this was not the recommended finish for the product. There are a multitude of solvents, but mineral spirits and paint thinner are the most common. The background paint is white. Dye stains don't work outside. "Guaranteed to prevent graying." 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. Contains UV blockers to reduce the sun's graying and fading effects. Enriches surfaces with a warm amber tone while providing a durable finish. $9.98 $ 9. How to Apply UV Protection Varnish on an Exterior Wood Door. Forms a protective barrier against rain and moisture. If you have a particular mold problem in your area, you can add these "preservatives" to almost any finish. Not recommended for use on floors, decks, or fences. The combination of UV guards, fungicide and Polymerized Tung Oil make this a superior exterior coating for Truck beds. I don’t care much for the polyurethane as it doesn’t cross link where the traditional spar varnish does. Make sure you explain that to the customer. Change Base Tooltip, select to read tip. I’m redoing my 100 year old windows and need to know what kind of varnish should I use for the interior side of the windows? Just use a good interior polyurethane. Any advise would be appreciated. It’s brutal out there… Polyurethane varnish contains little, if any, UV blocking additives, which only becomes an issue when dealing with exterior applications. Rust-Oleum Marine Spar Varnish deserves mention as the best exterior polyurethane product due to its reputation as a reliable product. Read more…. The wood has been installed 5 months ago so a long time to get low moisture especially with kdat Looks like the brush had a darker stain mixed in but pretty sure that’s not the case. I have a log home that was originally covered with Bennett’s Log Oil. This advanced formulation contains UV inhibitors to prevent fading and discoloration from sun exposure. Without the resin, you’re left with an extremely soft finish that may not hold up to traffic and wear. Use spar varnish only for exterior wood. and weather resistance. After they went out of business, I used Ponderosa Log Oil. Varnish enhances the look of wood doors by accentuating the natural grain and color of … It was designed by boat finishers for boats and us land lovers can benefit from their hard work by using a product that can handle the toughest elements. Exterior wood finishes-including one-part varnishes, two-part varnishes, synthetics, sealers and stains, and teak oils-were evaluated one year after application. The spar is softer than regular so it may dent and wear easier but especially without a bath fan it could be a good idea. I've also read a marine spar varnish may be better in terms of UV blocking. It has a coverage of up to 150 sq ft. Color family; A collection of colors So, the spar varnish, that should be applied for protection, needed to be extremely durable and tear-resistant. Then get yourself a clean cotton rag (old t-shirt material works great), and fold it into a nice square applicator pad. ICA makes an exterior waterbased stain for exterior use. CLASSIC MARINE VARNISH contains premium tung oil, phenolic resins and UV blockers for a beautiful, warm, transparent amber finish on all types of interior and exterior wood DURABLE SPAR VARNISH is the ideal outdoor wood sealer and finish for waterproof UV resistance on brightwork on boats, strip canoes, kayaks and outdoor wooden bar tops, garage doors, furniture and more Prev Article. According to the ingredients we discussed earlier, Helmsman uses a polyurethane resin, hence the name and the primary solvent is mineral spirits. The poly requires much more agressive sanding (more work) to acheive the mechanical bond needed. Can spar varnish be used over paint? Learn how your comment data is processed. I love old houses, working with my hands, and teaching others the excitment of doing it yourself! Another place you can find the Epifanes is at any Marine /boating store. Get free shipping on qualified UV/Fade Resistant Exterior Polyurethane products or Buy Online Pick Up in Store today. You won’t find this on your local hardware store shelves, but that doesn’t mean it’s not incredible stuff. Manufacturers like to play around with the amounts and kinds of each to make their varnish, but this basic recipe is always followed. We have an upcoming bathroom remodel. All varnishes contain UV blockers to protect your projects. I don't use it because it's a pain to apply. Let’s find in below article. Three days later there are patches of brown stains. You'll find them in small bottles or packets online or in the deck coating section of your store. Sheen: Base: Clear. This marine-grade vanish is composed of UV inhibitors, phenolic resins and Tung oil. Varnishes create a hard finish that protect and beautify everything from wood floors to delicate woodwork, but do you know the difference between a spar varnish and regular varnish and when to use them? Forms a protective barrier against rain and moisture. I just put 3 coats of spar urethane on a outdoor barn quilt and it is now yellow instead of white. Exterior finishes generally go by the name “spar,” as in “spar varnish.” Sometimes, a distinction for UV resistance can be made between common spar finishes (without UV inhibitors) and “marine” or “boat” finishes (with UV … Humidity changes, for one, cause the wood to swell and shrink much more than wood left indoors, and that excess movement alone is enough to crack a regular varnish in short order. $30.56 $ 30. Its followed by an in-depth review of each spar varnish marine satin. When choosing a stain, be sure to use a pigmented stain for better sun resistance. So why do I use spar varnish for my exterior projects? From the basic, old-school tung oil or spar varnish, coatings have evolved into synthetic concoctions that last longer, protect the wood better, and are easier to apply. The poly depends more on a mechanical bond when recoating, whereas with the traditional, a chemical bond (cross link) occurs. Hopefully, once you are done reading this article, you will be well informed about spar varnish marine satin and be able to select the right spar varnish marine satin for you without any hesitations. Only sold in quarts - coverage is about 75 sf per quart. These ingredients give us the hard, shell-like finish you are accustomed to in most varnish finishes. The main reason most finishes fail prematurely is not because of an inferior product, but because of user error. 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