Oil Vs Water Based Spar Urethane

Shellac vs Varnish for wooden tower/mast? finishes like shellac or even spar varnish will be destroyed by UV in a year or two. Cleans up with mineral spirits. Polyurethane application requires a fine bristle brush designated for oil-based paints, paint thinner, a small pail with handle, lint-free rags such as old cotton t-shirts, a wire bristle brush, 220 sandpaper, and a lot of patience. Shown on white ash veneer, water-based poly goes on perfectly clear; oil-based poly and spar varnish add progressively more amber cast to the wood grain. This product contains ultraviolet light absorbers, which offer excellent protection from sun, salt air and water. Any clear coats that have an oil base, from poly to varnish, will yellow with age as the oil base (solids) oxidizes and yellow. 25 oz" to the compare list Add To List Click to add item Varathane® Water-Based Spar Urethane Spray - 11. CLICK HERE for the full how-to after the jump! Water-Based Polyurethane (I really love a matte finish. Polyurethane, available in both oil and water-based options, is similar to liquid plastic, and it does provide some protection for wood. Wipe-on poly or spar varnish will work on top of tung oil.  Water-based varnish does not amber over time, and keeps the color of your wood truer than an oil-based finish would. Rust-Oleum 200241H Varathane Ultimate Polyurethane Water Based, Quart, Satin Ultimate Polyurethane Oil Based, Quart, Satin Gallon Satin Exterior Spar Urethane. Avoid shoes and bare feet. i am getting ready to start this project of replacing my inside transom wood on my 14" aluminum starcraft, i am making my shopping list. Urethane primers have the advantage of speed. Polyurethane. Oil based Polyurethane has a slow dry time, usually about a day. OIL-BASED SPAR URETHANE Form: GDH-362 Rev. Though there are many similarities and often the two are used for similar purposes, urethane and polyurethane are two different products having different properties and features. My favorite method for some components is to use WEST Systems marine epoxy base coat over bare mahogany and subsequent coats of spar varnish. I highly recomend WATER BASED Polycrylic if you are using a water based paint. The spar urethane needs to be oil based, so if yours is water based, it would explain the “oil and vinegar salad dressing” separation you’re getting. Water-based spar urethane comes with less foul odor, easy to tidy and instantly dries up. Water-based Polyurethane vs Oil-based Polyurethane Water based polyurethane is much lower in toxicity than its oil-based counterpart, and produces significantly less odor. i am buying the 3/4" acx plywood, titebond 2 wood glue to glue the 2 pieces together, and need something to seal the wood. This means that you have to etch the surface and make sure it is dull. Oil-based polyurethane needs additional time to dry but uses fewer coats per application. If you say it works well, maybe I'll give it a try. Including clear coats, polyaspartics, and fluoropolymer coatings. Polyurethane is a protective finish that is available in both oil based and water based forms. Varnish is a rather generic term for any oil based finish that dries hard and builds a surface film. For dry sanding, non-loading aluminum oxide or silicon carbide papers are used. So a spar varnish needs to be one that can withstand the rigorous conditions of the lake and ocean seafaring life. Minwax® Water Based Helmsman® Spar Urethane is a crystal clear, water-based finish that is specially formulated to protect wood against nature's toughest conditions. Water-based varnish is the newest and most confusing, since that term can cover anything from a modified oil to water-based lacquer. Satin Spar Urethane for interior or exterior use provides a protective finish for wood surfaces that may be exposed to sunlight, water or temperature changes from The Home Depot Minwax Helmsman Gloss Spar Urethane Instead of wax over chalk paint-keeps whites from yellowing. Because polyurethane is often clear, it is important to ensure the surface is completely clean before. - You need to apply fewer coats. Oil-based polyurethane has a more distinct odor and takes a longer time to dry than water-based ones. There is teak oil with a UV protector but I have no idea if it works. Polyurethane vs Urethane. These brushes are designed to carry a lot of stain from the can to your project, and hold up much better than foam brushes. Re: Minwax helmsman spar urethane question I don't mind applying it every month if I have to. Seeing the differences between clear coat finishes on woodworking projects can make a big difference in what you select as a finishing product. Polyurethane sits on top of the wood to form a protective barrier that is watertight in only two coats. For a desk that will be used I would still use poly (likely oil base). The idea for this article on urethanes came from an individual I talked with at a home show in Victorville, California. Polyurethane paints and varnishes used to only be oil-based. Using varnish offers one of the most natural looks of any product available. It's not a battle of oil vs latex, because they both have their place. Minwax Water Based Helmsman Indoor/Outdoor Spar Urethane, Quart, Gloss: Crystal clear finish; Protection from sunlight, water and temperature changes; 275 VOC. 500ml Mayer-Gronau Clear HIGH GLOSS Marine SPAR Varnish More buying choices £15. Water based poly can be had perfectly clear or slightly tinted. 02 of course. Not recommended for oily woods such as Teak, Rosewood and Olive. If using an oil based finish, I would imagine you should use an oil based polycrylic. The answer to your question is, yes, you can add oil based stain to oil based poly (spar is oil based). Bill, I'm assuming that you're finishing these horizontally- on horses or whatever. I realized that the can I used must have been older than I thought. 3) can be built up and act as its own sealer. Oil-based varnish will dry to the touch in about a day, but take 72 hours to two weeks to cure. Water-based coatings and paints can also be viable longer than three. Question: Is Minwax Helmsman Spar Urethane water or oil-based? Answer: The product is water-based. In this category, there are two groups; aliphatic modified polyurethane resins and aromatic polyurethane resins. Minwax Water Based Helmsman Indoor/Outdoor Spar Urethane, Quart, Gloss: Crystal clear finish; Protection from sunlight, water and temperature changes; 275 VOC. Testing is particularly important when applying over paints or stains asthe appearance of these products may change when an water-based finish is applied. It isn't as good looking as varnish (because it doesn't shine) and it soils more easily. Any oil based product will. It’s easy to repair your varnish if sections of it become damaged. Oil-based polyurethane needs additional time to dry but uses fewer coats per application. My shop was formerly a woodworking shop and there is really no way to make it dust free. 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. It is ideal for interior or exterior wood that is exposed to sunlight, water or temperature changes. Water-based polyurethane versions dry much more quickly, are a bit more self-leveling, and have less odor when applying than oil-based versions. It’s water based so it produces less fumes and cleans up easily with warm water. However, cleanup is much easier with the water-based products, which are water soluble; mineral spirits or turpentine is necessary for cleaning up after using the oil-based products. FSA Walkers Snack Foods recalls Doritos Tangy Cheese because of undeclared soya FSAI recall U-KUVA i-AFRICA A Taste Of Africa triple gi. Water based polyurethane: If you want your floor to stay the same color, choose water-based polyurethane. Polyurethane sits on top of the wood to form a protective barrier that is watertight in only two coats. The varnish needed to protect the wood had to be flexible and quick-drying. 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. My goal is to make the finish to appear thinner. Polyurethane topcoats form a hard film and are durable enough to withstand the wear and tear of daily domestic use. Due to a large amount of oil on spar urethane, it tends to be softer and pliable, unlike polyurethane which is hard and stiff, due to the lesser amount of oil in its mixture. To avoid the massive labor of varnishing every year and having to repair rot on your wooden boat you can use organic linseed oil and organic linseed oil varnish. These would be good choices for an exterior door facing onto a large enclosed porch or for a protected porch ceiling. However, oil-bases usually have an amber tint that may hide the natural beauty of your wood. UV-absorbers are added to polyurethane and other varnishes (e. According to Minwax, their Helmsman Spar Urethane may cause mild yellowing over light wood finishes, but their Water Based Helmsman Spar Urethane is supposed to be crystal clear and will not yellow. It provides sealing protection from moisture while preserving the natural look of wood. Varathane® provides outstanding scratch and stain resistance to keep your interior wood projects looking great. That's why you should always apply a barrier coat of dewaxed shellac to seal oil-based stain. Which would be best? Can I use water based spar or poly?. Ideal for boats, outdoor furniture, exterior doors, sills and more. I'd suggest 3 coats with a light sanding between the 1st 2. Water-based poly can have adhesion problems when applied over an oil-based stain that’s not thoroughly cured. Crystal Urethane bridges the performance gap between high V. What is the Difference Between Paint Brushes? T here are paint brushes made for oil based products and brushes for water-based products. Wood that is gray, white or light looks better with a clear coat, i. There are water based ploys but my understanding is they won’t hold up outside!!!. My recipe simply calls for two parts varnish and three parts mineral spirits (paint thinner), by volume. You can use the spar on the acacia pieces outside. Keep on top of the dirt and grime for a friendly welcome to your home. Polyurethane dries faster than tung oil and takes only 12 hours to cure. Water Based Helmsman ® forms a protective barrier against rain and moisture and the ultraviolet absorbers found in Water Based Helmsman ® reduce the graying and fading effects of the sun. Everything is going ok but then the author randomly mentions water -based finishes. shellac is alcohol based and oil is , well, oil. Types of Varnish The traditional varnish is based on natural resins and oils and is thinned with mineral spirits or turpentine. In other words, stick with oil-based products all the way. Can Varnish be applied over oil based Polyurethane ? I am recoating a piece of furniture that I used oil based MinWax polyurethane on previously. Question: How do you apply Minwax Helmsman Spar Urethane. However, it takes quite a long time to dry and can be quite toxic, as it contains VOCs. Clear Satin Oil-Based Exterior Spar Urethane (2-Pack) protects outdoor wood projects from weather elements. After the shellac dries, a light scuff-sand will leave an excellent surface for the poly to grip. If it is just teated wood then it's not worth going to the trouble of using a clear. You want to use the Minwax water-based sealer if you do not want a slight yellow/amber tint added to your product. For use in varnish, longer chain resins are chosen to give greater flexibility. Minwax offers both an oil-based and water-based interior polyurethane, and you can select a gloss or a satin finish. Oil and water are famous for repelling one another and not mixing. Which would be best? Can I use water based spar or poly?. Wipe-on poly or spar varnish will work on top of tung oil. Varathane does come in an oil based and a water based version. Spar varnish, also called long oil varnish, simply has a bit more oil in it. Weatherproof Varnish can also be applied over Timber & Deck Stain to create a Gloss or Satin exterior durable Stain & Varnish. The primary requirements were water resistance and also elasticity, so as to remain adhering as the spars flexed. In addition, applying polyurethane over a deck stain will make it near impossible to maintain the deck down the road. And the oils used are tung tree and linseed. Polyurethane isn't going to hold up well. As always, get local recommendations from other boatowners before selecting a specific varnish. A tough coating at a great price. I got a can of water based urethane, but I realize that the old can was oil based. Oil-based spar urethane necessitates a number of hours between coats and a thin application is needed to avoid drips. If the varnish separates and won’t flatten out it is water based point and marine varnish won’t stick to it. I'd used a solid color or if you want to see some wood grain a semi tranparent oil based deck stain. Quick drying, quick cleanup: Water-based finish sprays or brushes on easily, but it dries quickly enough that you have to work fast to avoid brush marks. Polyurethane for Bar Top?? a lot of water borne guys like GF 450 for outdoor use, and claim very long life from it. Water-based spar urethane. Water based paint, don't use for obvious reasons and Latex, will probably get tore up. Including clear coats, polyaspartics, and fluoropolymer coatings. it was top notch back then. com Forum Index » ». For natural colored woods (in varying shades of brown), an oil-based pore filler can be used. Waterborne oil-modified urethanes were synthesized and formulated using a standard urethane paint formulation suitable for wood surfaces. Linseed Oil as a Woodworking Finish What it is. Smells more, messy cleanup, can make an oil mark on the paper, finish has a slight yellow color (rich color). The answer to your question is, yes, you can add oil based stain to oil based poly (spar is oil based). As I said, I really tried to apply thin layers. Oil-based varnish yellows over time. latex paint over polyurethane vs oil based which is the best for your project. They appear milky in the can, but go on clear and remain clear. Most polyurethanes serve as the final coat for wooden items. Again, Gary's right about the greater durability when top-coating with a polyurethane. You'll not find two people that agree to which is the best product to use. If you are looking for a darker color finish, take a look at our Dark Tung Oil. Arm-R-Seal Topcoats are made with the highest-quality urethane resin, making them extremely durable and long-lasting. Painting aluminum, for the do-it-yourself boat owner, is often a matter of maintaining a pre-existing finish. The choice is yours to make. The grain tends to show more than with urethane finishes. Finally, choose a top-quality marine-grade exterior spar varnish. These are great choices for those building outdoor furniture with pine. Clear Gloss Water-Based Exterior Spar Urethane (Case of 2). the rep told me that oil is on the way out and everyone is using water based. Before you choose one, you’ll need to consider the type of surface you’ll be painting. Applied with brush, roller or sprayer. Quite frankly, the oil-based PU seemed to hold up well without any peeling. yes, I use a 2pak polyurethane by U-pol (S2086EV) with great success. The Minwax Oil base Spar Urethane was on the bottom step, the Varathane and Water based Minwax were split between the second step and top step. The durability and longevity of each polyurethane finish is not affected by the choice of sheen level. The water based spar urethane has cured for about 2 weeks so far. Excellent information about oil vs water based polyurethane. “We advocate using an oil-based primer only because of the sheer nature of water being applied to metal. Varathane 1 qt clear satin water based interior polyurethane 2 pack minwax water based oil modified polyurethane reviews details about minwax 230250000 water based polyurethane 1 2 pint satin ultimate floor finish satin water based polyurethane actual net contents 128 fl oz water based polyurethane cure time base varnish cu minwax polycrylic vs. I understand that spar urethane is more water resistant but polyurethane is harder. It shows the water based varnish on the left hand side vs oil based varnish on the right hand side. The above mentioned water-based poly's can be used even on commercial dance floors. I use stain/poly mix on pine, since pine tends to accept stain blotchy (or. Water-based spar urethane has easy cleanup, less fumes and dries in a short time period. Tips for using water based varnish family handyman glaze review varathane polyurethane water based gloss varathane polyurethane matte water based interior spray varathane water based polyurethane q a water based vs oil polyurethane por varathane water based polyurethane. Water-based spar urethane comes with less foul odor, easy to tidy and instantly dries up. Aids in protecting outdoor wood from damage due to exposure to sun, water and.  Water-based varnish does not amber over time, and keeps the color of your wood truer than an oil-based finish would. Try our Old Masters Oil-Based Sanding Sealer which acts as a base coat to seal and protect wooden surface after sanding. Water-based paints (in my opinion) really excel in several ways that their oil-based counterparts today do not. This product is ideal for use on railings, fences, patio furniture, house and trim. Superior to polyeurethane. Yes, Spar varnish is oil based and can be used over enamel paints. I recommend oil-based poly over water-based formulas. Marine Spar Varnish vs Poly Urethane. Some have varnishes or urethanes in them and most contain heavy metal dryers. Rev 4/10 - 1 - DESCRIPTIONS: Minwax Fast-Drying Polyurethane 550 V. I'm wanting a matte or low satin / no gloss look to the rifle but yet want to show the patterns of the laminates as well as the colors. For varnishing, especially with an oil based spar varnish, a dust-free environment is important, as is the need for a well ventilated area (due to the harsh chemicals and fumes) that is also the right temperature (so the varnish will cure properly). Another reason to make your own wiping varnish is that there’s basically nothing to it. Spar varnish is an older formulation of varnish vs. TrueTone Color-Infused Tung Oil. If you are looking for a darker color finish, take a look at our Dark Tung Oil. The varnish or urethane (don't remember which) I applied last summer is already peeling. Varathane® Premium Polyurethane Oil-Based Wood Finish is specially developed to let wood’s natural beauty show through with the highest clarity over other oil-based polyurethanes. Takes longer to dry. Spar Urethane VS. In fact, varnish soaks into the wood finish to enhance the natural wood color in furniture and also protect it from dirt, sunlight, and water. - It is less expensive that water based. Photo 1: Water-based vs. This finish is a clear finish that provides hardness and excellent durability. harder finish is required for maximum water resistance. Exterior Water-Based Spar-Urethane is recommended for use on exterior wood, fiberglass, coated metal or painted surfaces. Old Masters Spar-Marine Varnish OLD MASTERS® POLY PLASTIC® S P A R - MARINE VARNISH, a superior exterior coating formulated with Tung Oil and Ultraviolet Absorbers (UVA), produces a high quality, flexible finish that withstands weathering due to sun, water, and salt spray. Oil-based spar urethane necessitates a number of hours between coats and a thin application is needed to avoid drips. Protect your floors with Minwax Helmsman Indoor / Outdoor Spar Urethane Finish. Oil-based spar urethane requires several hours between coats. Water-based spar urethane comes with less foul odor, easy to tidy and instantly dries up. I am looking for opinions, advice or experience from unbiased people. I'd recoat in a year just to see. So we're looking for something that… 1) is equally or more water resistant than oil-based polyurethane. Marine varnish is just another name for a similar product -- naturally intended for protecting wood surfaces under marine (wet)conditions. Oil-based polyurethanes tend to be harder, and last slightly longer, but they can also crack. I am thinking of using water based poly urethane. Varnish: Comparison Chart. Polyurethane vs Polycrylic: Polyurethane is a heterogeneous polymer that contains a urethane linkage within the polymer chains. The varnish needed to protect the wood had to be flexible and quick-drying. Takes longer to dry. Polyurethane. Protection/Extra protection from sun and weather Water Resistant/Prevents Weather Damage Resists Cracking and Peeling/Ideal for expensive mahogany, etc Use on interior and exterior wood surfaces to protect and beautify for years to come!. Helmsman® is formulated to expand and contract with temperature changes. The varnish or urethane (don't remember which) I applied last summer is already peeling. Longer answer: if you wait for the oil-based stain to properly 'dry' (cure) it's no longer oily. I recommend oil-based poly over water-based formulas. You won't find any modern "polyurethanes " on these boats (keep the urethanes for indoor use - better still, use India Spar Varnish on inside applications too). Protection/Extra protection from sun and weather Water Resistant/Prevents Weather Damage Resists Cracking and Peeling/Ideal for expensive mahogany, etc Use on interior and exterior wood surfaces to protect and beautify for years to come!. Interior floor and woodwork varnishes are typically medium- to short-oil varnishes because hardness is generally more important than flexibility. Oil finishes don't provide a protective film that sits on top of the wood like varnish does. In the debate between oil-based stains vs. I did take about a week doing these steps making a half dozen different coats. Which would be best? Can I use water based spar or poly?. If the varnish separates and won’t flatten out it is water based point and marine varnish won’t stick to it. For polymer clay use, you will have much better results if you use the water-based version. This clear finish is ideal for interior or exterior wood that is exposed to sunlight, water, or temperature changes. The water based will raise the grain,but a very light sanding between knocks the fuzz off and the 3rd coat gives it a hard finish. Takes longer to dry. shellac is alcohol based and oil is , well, oil. Polyurethane for Bar Top?? a lot of water borne guys like GF 450 for outdoor use, and claim very long life from it. Best gloss finish for a rifle stock; More than once I've had a rubbed out spar varnish finish mistaken for an oil finish. Download a map of VOC Regulated Locations (PDF) Download a list of VOC Restrictions for Coatings by Regulated Area (PDF). Polyurethane water-based varnish: Transparent or paints, all sheens from 1% to 80% Excellent protection. Linseed Oil as a Woodworking Finish What it is. My shop was formerly a woodworking shop and there is really no way to make it dust free. If it was a new floor, the fact that the wood white oak wouldn’t have affected the results, unless it was a water based stain. This clear finish is ideal for interior or exterior wood that is exposed to sunlight, water, or temperature changes. As environmental concern increases with respect to the volatile solvents in varnish, water-based products are increasingly appearing on the market. Our waterproofing and wood stain products will protect all your outdoor surfaces. I made the severe mistake of putting a water-based polyurethane coat over oil-based polyurethane, wanting to create a more glossy surface and look. Oil-based varnish will dry to the touch in about a day, but take 72 hours to two weeks to cure. Because polyurethane is stiff and hard, they are mostly used in solid materials such as foot wears, foams, etc. I'd used a solid color or if you want to see some wood grain a semi tranparent oil based deck stain. Despite the old adage, “Water and wood don’t mix,” today we can use water-based stains and finishes on our wood projects. White oak is very c. 25 oz to your list. A brushed on oil-based paint can take up to 8 hours to dry where as a sprayed on paint may dry in less than 1 hour. They even make a fast drying polyurethane that comes in an aerosol can, but I don't think this would be the best choice for finishing a large kitchen table. Testing is particularly important when applying over paints or stains asthe appearance of these products may change when an water-based finish is applied. In fact OB polyurethane's water resistance would be fine if it were easier and quicker to repair or recoat. I have sanded and put a BIN primers on the wood cabinet. I must admit I still like the handling characteristics of the oil-based better, even though I recognize they're a pain when you have to wait 4 hours for drying so make a choice. Wipe-on poly or spar varnish will work on top of tung oil. Another difference includes that spar urethane is synthetic in nature and can either be used as an oil base or water base. Clear Gloss Water-Based Exterior Spar Urethane (Case of 2). It is a plastic resin that is carried in solvents. Clean brushes and equipment with mineral spirits following manufacturer’s safety recommendations, then rinse with clean water. In the past, oil-based finishes were more durable than their water-based counterparts. Great clarity, resistance to abrasion and can be polished to a supper shine, doesn't quite have the depth of a poly gloss coat but is as close as you are likerly to come. Neither water-based finishes nor varnishes are problem free. I am finishing the interior of my log home and have used spar urethane for my bathroom, utility, and kitchen cabinets. I don't want to sand it down to bare wood. If you’re new to varnish, I suggest starting with a relatively small project to get the feel of the material and process. Emmision controls and regulations are changing for volatile organic compounds so water based finishes are becoming more common in the market place. Try our Old Masters Oil-Based Sanding Sealer which acts as a base coat to seal and protect wooden surface after sanding. Thanks Ellen. Spar varnish is an older formulation of varnish vs. You can think of the product like an oil based molecule suspended in water once the water evaporates it leaves an oil based finish that will mechanically adhere to properly prepped oil based finishes. Spar varnish must be reapplied periodically as it will chip, flake or chalk off over time. "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. I think I'm gonna go with a simple polyurethane layered till I'm satisfied w/ the look. Polyurethane is a common modern wood finish that can be purchased with either an oil or a water base. The natural oil or wax-based coatings feed the wood and give it a more natural finish. If using an oil based finish, I would imagine you should use an oil based polycrylic. Cost: $40 to $60 per gallon covers 400 to 500. Oil-based spar urethane requires several hours between coats. Satin Spar Urethane for interior or exterior use provides a protective finish for wood surfaces that may be exposed to sunlight, water or temperature changes from The Home Depot Minwax Helmsman Gloss Spar Urethane Instead of wax over chalk paint-keeps whites from yellowing. Most polyurethanes serve as the final coat for wooden items. • Varnish (Mineral Spirits) - Natural vs synthetic (phenolic, alkyd, and Polyurethane – DuPont, 1956) - Long oil (“Spar Varnish”) or short oil - Wiping varnish – 50/50 thinned varnish - Water (use synthetic brush) or oil based (use natural bristle brush) - Process of making varnish: Resin + Oil + Heat Varnish • Wax (Mineral Spirits). Last time I did a cart, they had a relatively quick drying satin or semi-gloss version (~4 hrs vs 24). I built a hutch for my recycling bins that sits on the deck; 5 coats of Minwax spar urethane and it was peeling before year 2 was up. If it was a new floor, the fact that the wood white oak wouldn’t have affected the results, unless it was a water based stain. Photo 1: Water-based vs. Water-Based Finishes. Including clear coats, polyaspartics, and fluoropolymer coatings. -----Water Based over Oil Based-----When using a water based topcoat over an oil based stain, allow oil based finishes, such as Java Gel Stain, to dry at least 72 hours before coating with a water based topcoat. Epifanes Clear Varnish, known around the world, is considered the ultimate in high gloss finish. What are the key differences between a water-based polyurethane and a oil-based polyurethane? How would one be better than the other? What lasts longer on wood, penetrates, Etc. Due to the oil base, it provides a clear, protective finish that blocks rain and moisture and works with the wood as it expands and contracts throughout the seasons. Like their oil-modified counterparts, traditional water based urethanes sit on top of the wood surface. Best epoxy gloss coat I've found. The resin this study evaluates, known as Spensol® F-97, is a second-generation WB OMU. Urethane - Oil Based Paint vs. I would also like to use the spar urethane on the ceiling and walls in my bathroom for moisture protection. Varathane instructions say you can re-coat in 4 hours. I can't think of anything that would remove cured oil or water based urethane without damaging the underlying color coats or delicate structure of such a light weight model. Using varnish offers one of the most natural looks of any product available. You can write a book review and share your experiences. There used to be distinct differences between water- and oil-based polyurethanes when it came to durability. Helmsman® is formulated to expand and contract with temperature changes. When considering tung oil versus polyurethane for wood floors, polyurethane wins the debate every time. Polyurethane for Bar Top?? a lot of water borne guys like GF 450 for outdoor use, and claim very long life from it. Choose varnish carefully: Gloss oil-based varnish, polyurethane and Danish oil can last 10 or 20 years, though satin finishes and stains may fail sooner as pigments and flattening agents disable the driers. Interior Oil-Based Polyurethane is recommended for use on interior wood, primed metal, and fiberglass surfaces. I am looking for opinions, advice or experience from unbiased people. The resin this study evaluates, known as Spensol® F-97, is a second-generation WB OMU. Water-based finish. Most polyurethanes serve as the final coat for wooden items. If you’ve already stained wood with an oil-based stain, you’ll need to seal with an oil-based sealer before you use a water-based glue such as Mod Podge. It is resistant to water, alcohol, household chemicals, scratching, chipping, and wear. Oil finishes tend to soak into the grain and yellow. Our range of varnish options include high gloss, clear gloss and more to ensure you find the right coating for your project every time. Some examples of this kind of wood are cedar, cypress, and redwood. I would also like to use the spar urethane on the ceiling and walls in my bathroom for moisture protection. Test Varathane Water-based Floor Polyurethane in an inconspicuous area before beginning. Quick drying, quick cleanup: Water-based finish sprays or brushes on easily, but it dries quickly enough that you have to work fast to avoid brush marks. Therefore, its flexibility and durability can vary widely. This little beauty is the coating of choice for chicken coops across the board. On the other hand, spar urethane is a type of synthetic product that is manufactured either as an oil-based or water-based product. Weatherproof Varnish can also be used on the inside of window frames and external doors, and to give Wood Shield Oil a Gloss or Satin finish. Oil/Urethane. These are great choices for those building outdoor furniture with pine. Its been quite a while since it was done. This should protect the top from water damage, but it will show wear, so you will need to reapply every year or so. So a spar varnish needs to be one that can withstand the rigorous conditions of the lake and ocean seafaring life. In fact most of what are commonly called “oil” finishes are really wiping varnish finishes. Spar varnish is an older formulation of varnish vs. Water-based coatings and paints can also be viable longer than three. If you used an oil-based stain on your project I would use an oil-based poly. From what I read online it its got a water-repellent built in thats oil based. This clear finish is ideal for interior or exterior wood that is exposed to sunlight, water, or temperature changes.