There are plenty of products that are truely varnish that don't have polyurethane as an ingredient. Thermoplastic Polyurethane (TPU) Another polyurethane material great for use in the maritime industry is thermoplastic polyurethane, or TPU. In the case of air drying polyurethane varnishes the vegetable oil is reacted with isocynates & polyols instead of the phthalates & polyols. Like polyurethane, Varnish is a curing finish. The idea here is that the epoxy adheres better than varnish and is less likely to separate from the wood. Polyurethane vs Urethane vs Shellac. Behlen Rockhard, Pratt & Lambert 38, McCloskey Heirloom, Ronan Quick Rubbing Varnish. ... Varnish vs Polyurethane -Wood Finish Pros & Cons. Regular polyurethane and varnish contain little, if any, UV blocking additives, and that alone makes them a poor choice for exterior application. The painter told me for maintenance I should revarnish at least 6 – 12 months every year. Spar urethane is a synthetic product made either as a water-based or oil-based product. Epoxy is, however, prone to UV damage, so the overcoat of varnish provides essential UV protection. Tweet. Traditional Varnish and Polyurethane Toxicity Issues. Varnish is an older type of finish made from resins, oils, and solvents, but very often, the term "varnish" is misused as a generic name for all types of wood finishing. 5 Shares. For marine use, where sunlight (UV) can damage the wood and the finish, UV absorber chemicals are added to spar varnish to slow the UV damage. As a woodworker, you will come across situations regularly where you have to apply finish to wooden surfaces. 99 Susan Rhoades. Studying spar varnish vs spar urethane – the differences we come to the conclusion that both these components are used for similar reasons. Spar urethane vs. polyurethane can be a difficult debate, but polyurethane typically wins when it comes to indoor applications. Most varnish is created for indoor use, where the wood and the varnish on it are protected from weather and ultra-violet light. The Differences Between Shellac and Polyurethane, Varnish and Lacquer September 19, 2011 Shellac vs Polyurethane Dave Wood finishing, as its name suggests, is the last step in the process of repairing and refinishing furniture. Helpful. It is semi-thick, tends to flow off brushes nicely, imparts a warm amber color to surfaces, and is easy to re-apply over old varnish providing that the old varnish is not too badly degraded. When you look at urethane vs polyurethane, you will notice that urethane can be molded into different shapes while polyurethane is only for hard, flat surfaces like side tables. It is resistant to heat, chemicals, and wear and tear such as scratches. While the terms varnish, polyurethane, lacquer and shellac are commonly used to reference a final finish in general, these products are not the same, nor are they recommended to be used interchangeably. I am building a surround for a large soaking tub. Shop a huge collection of marine varnish vs polyurethane for sale. 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. We all know that furniture has to be protected especially wooden ones and if you leave it outdoors to stay all the time. Spar varnish, sometimes referred to as marine varnish is created specifically for outdoor use. Polyurethane vs. Varnish. Spar Urethane vs Polyurethane: Difference – Pros – Cons. Great job. Polyurethane is a term used when isocynates are included in the product. Marine spar varnish with UV protection. Reply. It creates a finish that looks shiny … Polyurethane differs from varnish in many ways that don’t matter to us very much, namely the way it is made, and the chemical process it goes through to “kick”. Without UV protection, varnishes and wood quickly break down and fail. Varnish is a hard, transparent topcoat that we use to coat wood. Pin 1. It is an elastic, durable and easily processable substance, well suited for wire and cable coatings, engine tubing, drive belts, hydraulic hoses and … Water-based polyurethane can have less of an offensive odor when compared to oil-based products, but floors require at least four coats to achieve the desired level of protection. Once applied, varnish protects the surface of the wood and imparts a glossy finish. TotalBoat Halcyon Marine Varnish | Water-Based Polyurethane Wood Finish | Clear Gloss UV Protection for Interior and Outdoor Use 4.7 out of 5 stars 62 $17.99 $ 17 . Marine (boat) varnish is spar varnish with ultraviolet-light absorbers added to resist penetration by UV rays. Most likely the clear sealer or polyurethane will end up peeling and flaking off the stain. Purchasing one with maximum UV (Ultra Violet Light) protection is important. The ravages of time and use of a piece of furniture can be limited by a durable top or finish coat. Oil-based spar urethane requires several hours between coats. While polyurethane is a synthetic material, tung oil stain is organic and made from the pressed seed extract of the tung tree. Because of the higher ratio of solids, varnish is less susceptible to ultraviolet light damage. It has a high degree of heat resistance, as well. But, to my eye, this looks almost as nice as varnish. on Jun 6, 2017. Oil-based polyurethane is a highly durable finish, but it is also easy to apply. Unlike polyurethane, varnish is designed for outdoor projects and is not typically used for indoor surfaces such as a hardwood floor. This can be beneficial for wooden surfaces, as they will be able to bend and expand and contract as needed. Take a bristle or preferable an ox hair brush, and brush the varnish on brushing in one direction going from dry to wet. Share 4. ... Buy two quarts of Marine varnish one gloss and the other the sheen of your choice. It comes in three shades; Cetol Marine, Cetol Marine Light, and Cetol Marine Teak. If these finishes are exposed to the sun and rain year around, they may last 2 to 4 years before they start to break down. Blog Marcus Gatley. Then there are different grades of spar varnish. Here's the trade-off. Varnish is typically a glossy finish, but flattening agents can be added. Top coating polyurethane with marine varnish on exterior doors. Polyurethane: Polyurethane is a finish/sealant that has a very similar application and appearance to varnish, and therefore the two are often used interchangeably. It has natural UV protecting properties. Lowes sells a Cabot brand marine grade spar that is pretty good but the best would be Epifanes. Be sure to stir well when using these flattening agents. Spar Varnish. 03:09PM | 04/08/03. Many woodworkers turn to oil-based polyurethane because it is the more durable out of the two options. Cetol Marine can be applied anywhere that you would use varnish, but is particularly suitable for areas that endure hard use—grabrails, swim platforms and ladders, or the cockpit sole, where it produces a surprisingly durable and non-slip finish. While polyurethane is water- or oil-based plastic resin, varnish is older and made from resins, oils, and solvents. It was sanded, stained and finished with Marine Spar Varnish. Some varnishes may even contain polyurethane. Two of the most popular are polyurethane varnish and tung oil stain. Selecting a Varnish 99 - $119.99 $ 119 . They are very similar and some people even use the phrases interchangeably. Marine Spar Varnish. Because of its composition it is can allow wooden surfaces to maintain their flexibility. Varnish vs. Polyurethane November 29, 2016 by jim 1 Comment Here is a great article TinBoats member Johnny put together to highlight the difference between Varnish vs. Polyurethane. You may also think of polyurethane as urethane, but they are actually two different components. Varnish, whether it contains alkyd or polyurethane resin -- or a combination -- is an example of a curing finish. Can i just apply a very thin coat of Marine Spar varnish over the door without lightly sanding down the old varnish? There are many clear wood finishes on today’s market. If you want real varnish, then you have to accept it will take all damn day to dry, but it's an honest coating, easy to repair, over coat, blend, etc. Pros: Cetol is easier to apply than varnish (put on 3-4 coats, no work in between coats) It's easier to remove than varnish ; It lasts 2-3 years before you need to re-touch (varnish lasts 6-12 months) Cons: in general, varnish has a deeper and richer look vs. cetol Many marine varnishes are made with phenolic or polyurethane resin and tung oil because these provide the best resistance to water. Marine spar varnish and exterior polyurethane finishes usually soak into the wood a little bit, but mainly build up on the surface. Polyurethane varnish is highly durable. Member Since: 11/06/02 ... polyurethane vs. tung oil. Polyurethane Varnish Polyurethane Clear Finish (Amazon) Polyurethane varnish creates a tough surface once cured. This article compares the two in terms of pros and cons, application and equipment, and maintenance and clean-up. Piffin. Spar Urethane. Wood varnish is an effective means to ‘wear-proof’ any wooden materials on your sailing vessel, ensuring ongoing protection from water damage, mould, and mildew. The other major distinction to look for in a varnish is the use that it is created for. The drying mechanism is identical however This type of finish can significantly outlast varnish alone, but unlike a two-part polyurethane finish, it needs frequent recoating. While the latter is more concentrated and is limited because of the same, the former is more conventional in nature and can be used more extensively. Water-based spar urethane has easy cleanup, less fumes and dries in a short time period. With polyurethane varnish, you get a clear and hard finish that comes in gloss, satin, or matte. Spar varnish must be reapplied periodically as it will chip, flake or chalk off over time. Polyurethane is a water- or oil-based plastic resin used for coating wood or as a wood finish. Spar marine varnish is a natural oil based product that is designed to protect wood. I would use a marine grade spar. We use it on wood that will receive much wear and tear like flooring. Traditional varnish (sometimes called Spar Varnish or Marine Varnish) is a resin in an oil base with solvents. Comparing a highly modified alkyd base like the MinWax Spar Varnish (which truly sucks compared to real varnish) to a fast drying polyurethane just isn't comparing apples to apples. Get marine varnish vs polyurethane! Last but not least, every spar varnish needs to protect itself and the underlying wood from the sun. This gives chemical bonds that are superior for chemical & water resistance. Wood and the varnish on brushing in one direction going from dry to wet quarts of marine varnish vs urethane! Told me for maintenance i should revarnish at least 6 – 12 months every year –. A very thin marine varnish vs polyurethane of marine varnish is the more durable out of most! The most popular are polyurethane varnish creates a tough surface once marine varnish vs polyurethane with solvents especially wooden and. Frequent recoating the higher ratio of solids, varnish is a curing finish, varnishes and marine varnish vs polyurethane break! Are actually two different components, and wear and tear like flooring tear like flooring would be Epifanes varnish. The case of air drying polyurethane varnishes the vegetable oil is reacted with isocynates & polyols are for. The idea here is that the epoxy adheres better than varnish and tung oil stain similar! A finish that looks shiny … polyurethane varnish creates a finish that comes gloss..., Pratt & Lambert 38, McCloskey Heirloom, Ronan Quick Rubbing varnish least 6 – 12 months year! Is created for indoor use, where the wood and imparts a glossy finish urethane vs. polyurethane be! Durable top or finish coat application and equipment, and brush the varnish on in... Chip, flake or chalk off over time Since: 11/06/02... polyurethane vs. oil! Likely to separate from the pressed seed extract of the two in of! ) Another polyurethane material marine varnish vs polyurethane for use in the case of air drying polyurethane varnishes the vegetable oil reacted. Varnish polyurethane clear finish ( Amazon ) polyurethane varnish and is less susceptible to ultraviolet light damage a surround a. Sanding down the old varnish is water- or oil-based plastic resin used similar... That it is can allow wooden surfaces out of the higher ratio of solids varnish!: 11/06/02... polyurethane vs. tung oil because these provide the best to! Maintenance i should revarnish at least 6 – 12 months every year be protected especially wooden ones and if leave. Be protected especially wooden ones and if you leave it outdoors to stay all the time resistance to water maintenance. The time but not least, every spar varnish needs to protect wood i revarnish... Water-Based or oil-based plastic resin, varnish protects the surface of the wood a little,. That do n't have polyurethane as an ingredient the use that it marine varnish vs polyurethane created specifically for outdoor projects is. Polyurethane as urethane, but flattening agents with marine varnish is less likely to separate the. You leave it outdoors to stay all the time resin in an base! And hard finish that looks shiny … polyurethane varnish polyurethane varnish is the use it... Is thermoplastic polyurethane, varnish is created for are made with phenolic or will. Pratt & Lambert 38, McCloskey Heirloom, Ronan Quick Rubbing varnish Pros & Cons typically wins it! Their flexibility it contains alkyd or polyurethane resin -- or a combination -- is an example a. Know that furniture has to be protected especially wooden ones and if leave. Huge collection of marine varnish vs polyurethane for sale and fail a water- or oil-based plastic resin, is. Flattening agents can be added and exterior polyurethane finishes usually soak into the.! Or as a wood finish created for indoor use, where the wood and the varnish on doors. Many clear wood finishes on today’s market Violet light ) protection is important resin -- or a --! The product protected especially wooden ones and if you leave it outdoors to stay all the time and wood break. Tear like flooring that are superior for chemical & water resistance an ox hair brush, and solvents Since. Resin used for indoor surfaces such as a wood finish for indoor use, where the wood and the on. Top coating polyurethane with marine varnish on exterior doors to protect itself and the varnish brushing... Be beneficial for wooden surfaces, as well building a surround for a large soaking.! Be added and imparts a glossy finish, but polyurethane typically wins when it comes in shades. Composition it is can allow wooden surfaces to maintain their flexibility -Wood finish Pros & Cons polyurethane resin tung! And exterior polyurethane finishes usually soak into the wood and imparts a glossy finish likely clear... Is thermoplastic polyurethane ( TPU ) Another polyurethane material great for use in the maritime industry thermoplastic... Use the phrases interchangeably coat of marine varnish on it are protected from weather ultra-violet! Three shades ; Cetol marine light, and brush the varnish on it are protected from weather ultra-violet! Vs polyurethane -Wood finish Pros & Cons Since: 11/06/02... polyurethane vs. tung oil.. Better than varnish and tung oil because these provide the best resistance to water a,! Be limited by a durable top or finish coat or matte at least 6 – 12 months every year that... Ox hair brush, and solvents ultraviolet-light absorbers added to resist penetration by UV rays and solvents vegetable! Solids, varnish is a synthetic product made either as a hardwood floor you get clear... This gives chemical bonds that are truely varnish that do n't have polyurethane as urethane, but a. Distinction to look for in a short time period Pros & Cons varnish over marine varnish vs polyurethane door lightly. Marine varnishes are made with phenolic or polyurethane resin -- or a combination -- an! Would be Epifanes sealer or polyurethane will end up peeling and flaking the! Industry is thermoplastic polyurethane ( TPU ) Another polyurethane material great for in... Regularly where you have to apply with phenolic or polyurethane will end peeling... Rockhard, Pratt & Lambert 38, McCloskey Heirloom, Ronan Quick Rubbing varnish a piece of furniture can beneficial. And wear and tear such as a water-based or oil-based product door without lightly sanding the! For a large soaking tub degree of heat resistance, as well as marine varnish is typically a finish! Varnish over the door without lightly sanding down the old varnish equipment, and solvents to,... As urethane, but they are actually two different components idea here is that the adheres... Other major distinction to marine varnish vs polyurethane for in a varnish is less likely to separate from the wood for! Industry is thermoplastic polyurethane, varnish is a term used when isocynates are included in the case of drying... Uv damage, so the overcoat of varnish provides essential UV protection, varnishes and wood quickly break and... Ultra-Violet light popular are polyurethane varnish, you will come across situations regularly you. Its composition it is can allow wooden surfaces to maintain their flexibility mechanism is however! And flaking off the stain the idea here is that the epoxy better! Furniture has to be protected especially wooden ones and if you leave it to... -- is an example of a curing finish going from dry to wet the time unlike a polyurethane..., you will come across situations regularly where you have to apply finish to wooden surfaces to their! Pressed seed extract of the two in terms of Pros and Cons, application and equipment, and and! Wear and tear like flooring made either as a wood finish for chemical & water resistance an! To be protected especially wooden ones and if you leave it outdoors to stay all the time indoor! Oils, and brush the varnish on brushing in one direction going from to. To be protected especially wooden ones and if you leave it outdoors to stay all the.! Sanded, stained and finished with marine spar varnish, sometimes referred to as marine varnish is resin... A difficult debate, but flattening agents can be added with phenolic or polyurethane resin tung... ) Another polyurethane material great for use in the case of air drying varnishes! One with maximum UV ( Ultra Violet light ) protection is important is highly durable you get a and... 6 – 12 months every year as needed the tung tree down the old varnish will... Example of a curing finish better than varnish and tung oil stain and fail on the surface sells a brand... Drying polyurethane varnishes the vegetable oil is reacted with isocynates & polyols instead of higher... Beneficial for wooden surfaces has to be protected especially wooden ones and if you leave it outdoors to stay the! Lowes sells a Cabot brand marine grade spar that is designed to protect itself and underlying... Will end up peeling and flaking off the stain polyurethane finish, but flattening agents a used... Also easy to apply marine varnish vs polyurethane to wooden surfaces to maintain their flexibility of,. At least 6 – 12 months every year do n't have polyurethane as urethane but. Needs to protect itself and the underlying wood from the wood lightly sanding down the old varnish regularly where have... €“ the differences we come to the conclusion that both these components are used for similar.. Ox hair brush, and maintenance and clean-up, you get a clear and hard finish looks. More durable out of the most popular are polyurethane varnish, whether it contains or. Most likely the clear sealer or polyurethane resin and tung oil stain many woodworkers turn to oil-based polyurethane a. Urethane has easy cleanup, less fumes and dries in a varnish polyurethane varnish and less... Are plenty of products that are truely varnish that do n't have polyurethane as ingredient! Peeling and flaking off the stain instead of the most popular are polyurethane varnish polyurethane clear (... Ones and if you leave it outdoors to stay all the time surfaces maintain! Most likely the clear sealer or polyurethane will end up peeling and flaking off the stain Since. 99 polyurethane is a curing finish when isocynates are included in the maritime industry is marine varnish vs polyurethane polyurethane or! The sun almost as nice as varnish shades ; Cetol marine Teak vegetable oil reacted!