how to fix blotchy polyurethane

Colleagues don't congratulate me or cheer me on when I do good work. Any blotch-prevention program starts with evenly sanding to 180 grit on face grain, and to 220 grit on end grain. Be sure to download my 2 page Wipe On Polyurethane Summary Sheet available here Wipe On Polyurethane, Rules, Tips and Paraphernalia PDF and at the end. Then we applied the final coal in semi gloss poly. polish the surface of the existing varnish. Are used a glossy paint and it made the top look a little blotchy. Finishing a beech desk top (Ikea Gerton), suitability of tung oil. How do you fix bleached roots after highlights? The hands down best, most reliable floor finish I have ever used in Poloplaz Primero. There is a time to wipe on polyurethane and a time to brush on polyurethane. The directions stated to coat the floor with a water based polyurethane...no buffing or sanding required. About the smell, unfortunately there's little you can do to not have any smell at all here because oil-based varnishes have smell on their own. Generally Polyurethane is used as an after coat to seal the stained wood, but you can use it to help even out the stain by applying a coat over the blotchy area and then a gel stain over the top of the Polyurethane. However, sometimes highlights can come out stripey or spotty which can distract from their overall effect. Another problem that can arise when painting over varnished wood is that the tannins can still bleed through, leaving you with a blotchy … We have places where there was not enough polyurethane on the roller and places where you can tell it was stopped to reload the roller. Add a leveling agent to the polyurethane to prevent the same thing from happening when you recoat. Step 2 Wait overnight, then wash the wood clean. Similar Q: We just redid our wood floors. He…, Q: We have Brazilian Cherry floors and had an experienced flooring guy screen/sand half of our floors. What would cause this, and what could be done to fix it? White spots on polyurethane can be caused by a number of things, but they are preventable, and small spots like this are easy to fix. If the surface is very blotchy, you’ll have to remove the stain by stripping, sanding, or both, and start over. How many presidents had decided not to attend the inauguration of their successor? A light coating of finish after sanding disguises the area. I used minwax quick drying polyurethane to topcoat a dining room table. How to fix Runny Resin. As there lead sales manager said: ‘We spent a little extra in research to find a way to help keep the flattening paste suspended in the finish.” I think I would give the 3 coats at least 2 weeks to harden with good ventilation before attempting another coat. High grit depends on what sand paper you're running with - probably P600 or cami 360. Can preservative-treated Douglas fir safely be used indoors (after planing the outer layer off). Some are literally called odourless but that's a misnomer as none are completely odourless, however the smell is. melissa 07/17/2013 at 8:26 am. While preventing the white spots is easier than fixing them, you can fix them by sanding down the high spots and then drawing out the moisture. Learn how your comment data is processed. I would use a wipe on poly (homemade - 50/50 mineral spirits + poly blend) and apply at least 3 or 4 coats over a couple of days (following directions on can for timing). Though it's harder to step up progressively through the grits if you're using this type of product. But you can reduce the solvent part of the stink quite a bit by diluting using a low-odour version of mineral spirits. We applied a water based polyurethane to our freshly stained floors. Even if Democrats have control of the senate, won't new legislation just be blocked with a filibuster? I'm not sure if I should continue sanding and applying more coats or start over, and if I need to start over, how to remove these bad layers. How do you fix brush strokes in polyurethane? This time, apply a washcoat of shellac and then the stain. (I normally use too little.) The polyurethane will be well cured by now. @weronika My mom used polyurethane a lot when I was a kid, and I'm still not right. The sanding and staining went well. For flat work, using a sanding block is highly advisable. Our installer plans to clear coat the floor with 2 coats of high gloss polyurethane. It's always best to build your color gradually—the one … Its purpose is to clean up the end of the polyurethane, as well as remove the paint stripper you used. When I apply a polyurethane top coat to a project, I always get brush streaks even when I use a foam brush and when I thin the material. The next day we looked at the floors and were not happy. Your email address will not be published. Read to find out why. Over exposure to the sun and the elements can cause the clear coat on your car to start to peel. Can polyurethane floor finish problems resolve themselves? Brush Marks on Polyurethane Topcoat. You can also choose to sand it and even do both and just start over. We have only done one coat with a roller. The cause behind […] It sounds…, We are in the process of refinishing our hardwood floors and are debating whether or not to go with satin or high gloss polyurethane.

Now have a complete mess and the clear varnish has highlighted dark and light patches. Let the surfaces fully dry and then apply the stain correctly. The final step to a great finish on your next woodworking project. Then I used steel wool of highest grade (#0000?) how to fix very light scratches in polyurethane finish? When staining to match the remaining treads, the color match was okay, but the new stairs came out blotchy: This is brand new wood, with no existing finish. If you want to see me antique glaze a piece of furniture check out “How to make an old coffee table look new!” . Depending exactly how large they are, this is sanding and or buffing the finish - the only thing you need to be quite careful of is not making any of the new scratches go through the finish. There are places where it looks white, patchy. These spots were our thresholds, which we are sianntig thin pieces of wood and putting over these doorways. The only solution I have found is to wet sand after dry. Realistically, wax can be buffed out and this gives it a smooth even-looking finish. You need to clean every time you change grit going coarser to finer - any loose grit from the coarser grade will make scratches you don't want. I was very thorough and methodical in my prep. And since it dries faster than any other finish, I'd try rubbing it with a brillo pad or scotchbrite (and water or oil as lube) after a few days or a week to get an even dull sheen rather than a strong gloss. You're going to have to make this look worse before it looks better. Similar Q: We just redid our wood floors. Your email address will not be published. Read to find out why. How should I fix a broken chair stringer? 20 comments on “ My Five Worst Mistakes ” bob 02/06/2014 at 4:13 pm. Where surface issues are concerned, you will want to keep your resin clear of any particles or debris. I will also talk about the dreaded white pigmented stain, dye stains, and ebonizing wood floors. Once you relieve tension, the skin gets to its normal hue. One of them is blotching because of the type of wood you’re using. The polyurethane looks blotchy. And I’m not just saying that because I was given glue by a different brand. What's the best time complexity of a queue that supports extracting the minimum? This is true for oak, pine or any other type of wood. Making statements based on opinion; back them up with references or personal experience. Before applying the next, make sure the finish is stirred very well. How to fill in holes and gaps after applying polyurethane. Start by using a tape line to coat half the length of the hallway and let it completely dry. A woodworker applies his first coat of varnish. Then light use for the first 2-4 weeks. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. It doesn't look glossy, so the scratches aren't too much of a disaster, but I'd still like to fix them if that's reasonably doable. You will need at least 2 more coats, each one buffed prior to gain adhesion. @Graphus That sounds useful, thanks! Start by washing the area with soapy water. Apply thin coats. That’s not to say you should apply each coat thickly. Our carpet tack spots we covered with concrete repair mix, but there is a process with repairing these spots. How to fix splitting laminated wood piece? Once it has dried, begin coating on the opposite side of the room. HOW TO FIX IT If orange peel is minimal, sand out the texture in the dried paint film with a fine grit sandpaper, then compound and polish to restore gloss. Wipe the excess and let it dry overnight. The obvious answer up front is to ensure you prepare your wood piece by ensuring it has been sanded very well and sawdust and debris removed. Should we apply the second…, Q: We recently had our red oak floors refinished, using Min-wax Red Oak color, and we chose oil-based polyurethane. Your description ("the color is fine and I can't feel them") suggests that they are not through the finish. What is the policy on publishing work in academia that may have already been done (but not published) in industry/military? After applying the Polyurethan you will want to lightly sand the blotchy area and then apply the gel stain over the top. Water based polyurethane satin gloss looks white and patchy. Gel stain. Follow instructions, you may have to sand it flat with the floor. Polyurethane doesn't exhibit the same behavior -- not even the water-based type. Polish with Fresh Wax. You need to be particularly careful if you are working near an edge, as edges are easy to over-sand on. Full instructions on how to go about this in this extract from Flexner on Finishing: Finally - Answers to Your Wood Finishing Fears & Frustrations by Bob Flexner. Is it possible for an isolated island nation to reach early-modern (early 1700s European) technology levels? The table, according to the manufacturer, has a polyurethane finish (on top of a walnut veneer). Should I keep spraying it to cover it, or could I add a polyurethane class to correct it? After sanding, wipe all surfaces with mineral … If this does not work, you will probably need to strip off some or all of the sealer. About to loose my wooden head!! It only takes a minute to sign up. It's basically unavoidable though. When the finish is hazy, it's usually a buildup of zinc oxide, which is used as a flattening agent. How are you supposed to react when emotionally charged (for right reasons) people make inappropriate racial remarks? I don't have anywhere else to put it, other than the balcony where it might get rained on, which sounds like it could be a problem...) Also, does "comparatively soft" mean "don't use it"? Making adjustments to the gun settings may also help. What does it mean when an aircraft is statically stable but dynamically unstable? A: It sounds like you didn’t stir the semi gloss adequately. I ran into a problem when I applied the first coat of water based polyurethane satin gloss. With each grade, you only want to use it until you can no longer see the scratches from the preceding grade. To learn more, see our tips on writing great answers. Over the past two weeks, we’ve been diving deep into the discussion of sealers. How long before polyurethane finish on desktop is dry? rev 2021.1.8.38287, The best answers are voted up and rise to the top, Woodworking Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. But I don’t. Minwax's PolyShades is a tinted polyurethane that lets you change the tone by adding, say, brown, to balance it out. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. How to Fix It: Wipe it with a bit of mineral spirits and buff well. 9 comments on “ Avoiding Blotchiness! @DaveSmylie Okay, thanks! You can try to sand away the blotchy area to remove the stain, but your best bet so you can get rid of all the blotchy area is to use a chemical stripper. You may notice an improvement because the oil in the mayonnaise or petroleum jelly leaches moisture out of the finish. A: There are numerous elements that can all affect how a coat dries and how it looks after. When you're almost done coating, you can walk on the already-coated half of the hallway and pull the finish straight over the uncoated half of the hallway instead of having to back out. These blotches are more common when you get foil highlights. To fix damaged clear coat, you'll need to clean the area, sand the old coat away, and spray on the new coat and polish. How to buff out last coat of polyurethane. 2, which I think is the better route anyway. I like how it looks after the last coat, with just a little bit of sheen, but I can feel the dust and brush marks with my hand. Then we applied the final coal in semi gloss poly.

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