I spray painted the black with a glossy paint. . To reveal flaws (bubbles, brush marks, etc.) Now here’s an important step. Suggesting not to do it. It should be dense and almost have the feel of natural hair. http://mothercenter.info/gallery/1037750, Hey Terrance. Just wait until the bubbles cease. First, make sure you are using an appropriate brush for the material, nylon for waterborne poly and natural bristle for oil-based poly. Once done, GENTLY remove the brush and GENTLY drag it across old newspaper to dry it out. It starts with a good surface. It’s because I want to refinish my teak wood table. When the solvent is dry and before you coat the floor check for dust and debris one more time, with your hand. ‘TheHomeDigs.com’ is a reader-supported Website/Blog. Don’t coat over any solvent, this will interfere with the poly and cause bubbles. paul. Before giving the second coat, use liquid white vinegar on the floor and wipe it out with microfiber cloth. When you buy through links on our site, we may earn an affiliate commission. Apply the polyurethane with a rag instead of a brush as an alternative. . Manufacturers advertise that they have a “ONE COAT” product. Soaking and pressing the brush to the bottom of a container filled with solvent releases air (you’ll see air bubble out as you press lightly down). I’ve avoided poly for so long that I’ve gotten pretty good at polishing wood with sand paper into the 4000 grit range and steel wool. Use a big jar or can to … Keep your children and pets away from the polyurethane-coated wooden floor at the time of coating. Step one is I soak and dab and mash and squeeze in the appropriate solvent (water or mineral spirits) not once, not twice, at least three or maybe more times in FRESH solvent until I see no more product leeching from my brush. This step is necessary to achieve a durable coating. Polyurethane coatings brushed on vertical or contoured surfaces are more likely to drip and run. Before applying polyurethane onto your prepared surface, dampen your brush in a solvent to remove air bubbles caught between the bristles and in the ferrule. If you want a good brush at a reasonable price check the comment below to Pat. Also if you are going to spray from a can go with lacquer and not poly. Sounds beautiful. . Sand your project with progressively finer grits of sandpaper. I did a credenza recently that’s 30X120 and brushing with a 2.5″ worked just fine. My theory, “do it right the first time to avoid looking for solutions”. Simple Steps To Apply Polyurethane On Wood Floors Without Bubbles Here are the ways to apply the water-based Polyurethane on wood floors without bubbles: Things Required. How to Apply Water Based Polyurethane on Wood Floors, ‘TheHomeDigs.com’ is a reader-supported Website/Blog. Would you ever recommend a 10″ lambs wool applicator with a feather brush treatment to eliminate bubbles? I go back to feather it and sometimes make it worse. get that “perfect balance” between user friendliness and visual appearance. Is this something you’ve ever tried or is it best avoided? Blog sites are replete with complaints and potential solutions. . This type of tribal knowledge seems to be passed down less and less and I’m afraid it will vanish all together. It can also serve as a review of my YouTube video on how to get the perfect finish with polyurethane. These are for my stair steps. Nothing prettier than walnut. It is important to clean the wooden floor before adding another layer. “The most common causes for bubbles are shaking the can and improper brush prep—you don’t stick a brush into the finish without first soaking the bristles in mineral spirits, for oil-based polys, or in water, for water-based polys. You can subscribe to my YouTube Channel paulsDIYsolutions though if that is of interest to you. How can DIY'ers apply oil-based polyurethane without causing these bubbles? Lastly I thoroughly rinse the brush, hand spin it and hang it to dry. Ox hair by itself is too soft and a lesser quality hog hair too stiff for a truly smooth finish. An Incorrect operation could lead to wastage of time and money. I have just finished putting seven coats of Tung Oil on a dining room table. Hopefully this is NOT THE END but A GREAT FINISH!! Let me know how it turns out please. Another option is a product called Monocoat that is also flawless but its reeeeeeally expensive. Use Proper protective equipment throughout the whole process. Paul, Want to use a water based poly on Minwax oil based stain. Keep a wet edge. With a combo you can stop around a 220 grit. Using the 8 rows start at the far back edge row, set your brush down at the extreme right side edge and GENTLY and SLOWLY drag your brush the entire 40″ from the right side edge to the left side edge. . If so, just wipe it down with some mineral spirits followed by tack cloth and the project is complete? Do not dip or add additional poly. Additionally, a perfectly coated wooden floor makes your home looks gorgeous. Don’t sand harshly. It will run $40-$60 but will last a lifetime (with proper care). I do bathtub and countertop refinishing using epoxies and urethane mixes. WHAT YOU SHOULD HAVE ON HAND TO GET STARTED: For a NEW wood project – use 120 grit, 180 grit and 220 grit papers, For a re-finishing project – To get rid of some high spots, old paint or gouges I would add an 80 grit to the above three, A QUALITY finish brush – rated Above Average to Excellent, You’ll need a natural bristle brush for oil-based polyurethane application, or, A synthetic nylon bristle brush for water-based polyurethane application, Water (I prefer distilled) for water-based polys, Tack Cloth – available at hardware stores, home centers, or online, Polyurethane – Available in three sheen’s Satin, Semi-Gloss, or Gloss, A suitable storage container – I prefer glass as some plastics will dissolve in mineral spirits. Puddles and avoiding runs my best attempt the previous lower grit sanding taking the time to write this and! The material, nylon for waterborne poly and natural bristle for oil-based polyurethane and varnish wet... 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