Obviously, epifanes is too exspensive for such a large area. Slight ambering may be experienced when Helmsman® Spar Urethane is applied over light-colored stains or wood surfaces. Dallas. The amount of oil in spar urethane is much higher, which makes it softer and more pliable. From a technical stand point there's a huge difference between marine spar urethane and spar varnish. Step 3: Brush the Spar Varnish Lightly. Such oil is mixed with solvents, driers, ultraviolet protector and resins in order to form a glossy surface. system. The biggest difference between a polyurethane and a spar is the spar is made more elastic to withstand the weather extremes of being outdoors. They may contain linseed, rosewood, or tung oil, and an assortment of other ingredients. Touch the brush at one corner, and draw it straightly in the direction. This varnish is meant to shield the wood from stain, water, solvent discoloration and heat. In addition to protecting the wood, it also provides natural ultraviolet light protection. Use quick, up-and-down strokes when applying. Varnishes made for outdoor use must have a certain degree of flexibility, or the finish will crack. Marine varnish is just another name for a similar product -- naturally intended for protecting wood surfaces under marine (wet)conditions. Exterior finishes give protection for required maintenance due to moisture, heat, expansion, contraction and ultraviolet light. 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. It's the go-to material for any exterior woodwork that needs a clear finish, but because its high resin content gives it a yellowish hue, it isn't the best choice for interior furniture. RUST-OLEUM 207008 Spar Varnish, Clear, Polyurethane Rust-Oleum Marine Spar Varnish deserves mention as the best exterior polyurethane product due to its reputation as a reliable product. Anything “urethane” isn’t going to do well in the UV rays outside. Spar varnish is manufactured with a base of natural oil that includes soya, linseed or Tung. Mike. Another major difference is in its composition. The 2-part epoxy would certainly give you a good amount of protection on that bar top. Even the humidity in the air will make wood swell and since a polyurethane is a harder finish is more likely to crack because of the weather. Teak Oil vs Spar Varnish. Spar varnish (also called marine varnish) was originally intended for use on ship or boat spars, to protect the timber from the effects of sea and weather. It consists of a hard resin and solvent-based solution that provides a thin plastic-like barrier across whatever surface it is applied to. Post by tiptop » 12/21/10 13:32. Variants of spar urethane include spar varnish. A variety of time-tested protective treatments in a variety of sizes to suit any project shutters, wood hand.. Store Pickup at your neighborhood Ace make the best Marine coatings IMO and experience expensive mahogany,,! Shellac dries by the evaporation of it’s solvent. Powder coating is a durable final finish for a broad range of manufactured items made of fiberglass including boats and sports equipment. It sounds like a good quality varnish might be a better way to go. DANGER:Rags, steel wool, other waste soaked with this product, and … I'm finishing out a fiberglass rod and want to use varnish on the wraps instead of epoxy and am finding that spar varnish isn't being carried by local hardware stores anymore -- even Ace. There are 2 main types of clear outdoor finish; teak oil (penetrating oil), and spar varnish: Teak Oil (Penetrating Oil) Penetrating oils, often called teak oil (outdoor finish) or danish oil (indoor finish), soak into the wood and don't build up on the surface. I especially like the wipe on type. A proper coat of spar urethane can last for approximately 10 – 15 years making it a reliable surface coat for surfaces that get used often. Spar varnish vs spar urethane is similar in that they provide a layer over the wood for protection against the elements. Spar varnish is superior to spar urethane in UV protection. Some varnish doesn’t work well with epoxy, if the can says cures in 4 hours and it’s still tacky in 4 days, they aren’t liking each other. I know teak oil is the traditional method of protecting the wood, but it seems to me that the labor savings and possible life extension of my wood trim might warrant switching to spar varnish? Spar varnish is perfect for outdoor projects and for raw wood used for exterior doors and trim on rustic homes. Wondering why the knowledge of the two finishes matters? Then there are different grades of spar varnish. I would use a marine grade spar. Spar varnish was originally developed for coating the spars of sailing ships. clean, and then apply a spar varnish. It is made from the dried secretions of the female Lac beetle. Spar varnish is an older formulation of varnish vs. Urethane Varnish is a modern formulation of a tough clear coating used primarily on wood surfaces exposed to outdoor conditions. These formed part of the masts and rigging, so suffered a hard life in service. Do you have a brand that you know works well that you’d suggest? However, spur urethane takes things a step further as it is best to use the polycrylic on. Life in service tung oil, and light protection part of the female Lac beetle layer over wood... 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