The integrity of a plaster surface depends on the bond between the plaster and its wood lath. I use exterior grade spackle to skim coat outdoor trim prior to priming and painting. They removed as much paint as they could using stripper and scraping, but there was still a lot left. The technique that drywall finishers use to smooth an uneven wall or one that has an unwanted texture is called skim coating, and it can be used to cover old wood paneling. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Self leveling concrete covering metal lath. Plywood or oriented strand board (OSB) are good choices, but the mud will also stick to painted wood, as long as the paint is flat and not glossy. Putty shrinkage might have had something to do with the old barn, but that's something else to be aware of. In general, you will need to apply 2–4 coats before the surface is smooth. It's easier and usually all old paint can be scraped off. Even when plaster walls are in sound condition, they’ll often show signs of repeated repairs, nicks, or roughness in the surface. Additional info: The house is 70 years old, the part of the house I'm talking about is the original siding as far as I know, and it's redwood lapboard. It dries quicker and is much easier to sand smooth than wood filler. Believe me when I say that there isn't one square inch of the master bathroom that won't have some kind of joint compound/skim coating on it. ft) it usually takes less than a quart of epoxy to apply, as you’re just ensuring it’s thinly coated to seal in the substrate. How to Use Skim Coating. I am trying to have a new paint job "done right". Can skim coat be used in wood? Plywood Substrate in a kitchen . Skim coating is a plastering technique that means applying a very thin (1⁄8" to 3⁄16") layer of plaster over a surface. We recommend sanding the wood surface with 60 grit sanding screen under floor maintainer. But then I found this little tutorial on using Ardex to skim-coat a wood countertop, over on Kara Paslay’s blog. Thanks for contributing an answer to Home Improvement Stack Exchange! Yeah, they had to sand it either way- either sand wood filler or sand wood- and sanding wood filler is a little easier. If there have been drywall repairs or ceiling repairs, a skim coat will give a nice … I use exterior grade spackle to skim coat outdoor trim prior to priming and painting. Recoating Epoxy & Urethane 9 year old is breaking the rules, and not understanding consequences. Yes, prior to skim coating, I began by sealing off the old paper. Asking for help, clarification, or responding to other answers. When you say all over the house, it makes me think they plastered the side of the house... did they? Follow these steps to skim coat your wood paneling. The painters applied a layer of wood filler over the entire side of the house that's being worked on, and then sanded it smooth. Using a paint pan begin by mixing a cup of the compound powder with half a cup of clean, cool water. How to Resurface Concrete Over Wood or Plywood Substrates, https://www.duraamen.com/video-gallery/install-concrete-over-plywood. Key Features. Skim coating can be done over most paint finishes with no special preparation. DIY or hire a Pro? The skim coat is a very thin layer of epoxy that you’ll apply to your entire surface and can be applied with a brush or spread out with a squeegee. It's a situational, judgment call. Eaga Trust - Information for Cash - Scam? You should also properly clean and dry it. They get repainted, wallpapered, stripped, hammered, and scraped. So, I would hope the wood filler lasts for 7 years but I wouldn't expect it to last more than 14 years (it totally depends on too many untold variable). To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The bubbling usually happens during the skim coat if the unsealed drywall has been damaged… the … When painting a house exterior, do you need to scrape and sand the entire house or just the peeling parts? What is causing/caused these brown circular stains in my cabinetry? The surface needs to be clean, and it sticks better when the wood is damp. Is it safe to keep uranium ore in my house? Apply the First Skim Coat Cover the whole area to be skimmed and let the mud overlap onto the surrounding surface. It's possible that the contractors are just being lazy or hasty. How can I fix a hairline crack in a thin wood panel of an exterior door? It only takes a minute to sign up. Making statements based on opinion; back them up with references or personal experience. The finish coat is applied after the brown coat has hardened. That being said, even if you remove all the old paint it is common to be left with a surface far from perfect. No matter what happened to your walls, every once in a while, it’s a good idea to skim coat your walls to keep the surface smooth. Why are "LOse" and "LOOse" pronounced differently? One may also ask, how do you apply skim coat to wood? You skim coat right over the existing surface. 1. For an average countertop (40-50 sq. The daily temperature and humidity changes cause the wood floors to move and expand under stress. Metal lath stapled over plywood substrate. All-purpose joint compound, or mud, is a suitable material, but it’s important to de-gloss the paneling before applying it or it won’t stick. Slowly add more water until it is slightly thicker than paint. Drywall repairs. I use a heat gun rather than chemical strippers. You can refresh them with skim coating. And our basement was so full of kitchen stuff that I had no room to make concrete forms, and Kara’s way is done in place. May 10, 2020 So, I think it's safe to say that wood filler will eventually chip/come off, especially if it was applied over stripper soaked paint. It will be thick and stiff. Can you skim coat over plywood? Skim coating is the process of putting on a very thin coating of mud or joint compound on the surface of the paneling to smooth out its rough complexion. The wood subfloor must either be solid hardwood flooring, a minimum of ¾” tongue-and-groove, APA – rated, Type 1, exterior exposure plywood, or OSB equivalent. As long as the surface is ready for repainting, it will also be ready for skim coating. The brown coat is applied over wood lath, strips that are nailed to the studs and spaced about ¼-inch apart to create keyways for the brown coat to grip. The installation of calcium aluminate cement based self-leveling concrete, Param 5500 along with expanded metal lath for reinforcement is a successful fast-track method to convert a plywood subfloor into a beautiful concrete floor. Considering a skimcoat over wood paneling in a basement. If a jet engine is bolted to the equator, does the Earth speed up? How can I use Mathematica to solve a complex truth-teller/liar logic problem? Oak trim is still very common... whereas really old houses might have been built entirely from oak. Traditional latex-modified or gypsum based underlayments will crack along joints, break bond with lateral wood movement, and often strong enough to withstand the traffic. Mix the mixture. To prepare the paneling for this treatment, you have to clean it thoroughly and then apply a coat of stain-blocking primer, … It dries quicker and is much easier to sand smooth than wood filler. Oak, which is hard, will hold the putty better than pine or cedar which is soft. Professionally speaking, Hal Rusche 2nd I'm concerned that the flex in the wall will cause the skim coat … With this method of how to retexture a wall, you don't just spot-prime; … Has the Earth's wobble around the Earth-Moon barycenter ever been observed by a spacecraft? You can apply drywall mud to any rough-grain wood surface. Wood filler is probably OK if it was applied correctly and sanded properly after application. Scoop the right amount of joint compound (about 2″ thick and wide) onto the taping knife, and apply it to the textured wall. Skim coating in floor preparation is a process in which a compound is applied to the subfloor as an underlayment to reduce variations in the floor and provide for a smooth and adherable surface over which new floor coverings can be installed. Or did they just fill some cracks and holes? Turn off all forced ventilation and radiant heating systems. Many installers simply see adhesive residue and immediately skim coat over the old adhesive residue. After the wood surface is thoroughly prepared, prime the surface with. Preparing cedar board & batten siding for new solid color acrylic stain … what makes sense for time, Filler to fill gap between frame and wood in the balcony, Looking for feedback on prep & paint plan for moldy wood siding. In some commercial applications, builders install plywood walls and then The subfloor should be solid and fixed securely to provide a rigid base. Should I hold back some ideas for after my PhD? There is no drywall backing on this partition wall and the stud spacing is 16". Wood often contracts and expands to a greater degree than wood filler and old wood often erodes, which leads to putty failure. Always ask the contractor for references. I use a different primer between sanding and painting. The open joints should be filled with a rapid-setting patching compound. We recommend applying Param 5500 at a minimum thickness of 3/8” (1/2" is preferred) to withstand lateral movement and traffic stress. Spread a skim coat with a trowel or drywall knife over a rough wall or ceiling to create a flat surface for painting or wallpapering. Protect for up to 24 hours after completed installation. rev 2021.1.18.38333, Sorry, we no longer support Internet Explorer, The best answers are voted up and rise to the top, Home Improvement 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. why is user 'nobody' listed as a user on my iMAC? Heat guns do have their own set of special considerations and safety precautions but overall it is a better way IMO. We recommend applying Param 5500 at a minimum thickness of 3/8” (1/2" is … Polyurethane will not make a wood floor any harder than it already is! There are several different types of joint that can be used to skim coat. Wood, in general, does not scratch but the more hard coating, polyurethane, you put on top of the floor, the greater the bed of material that can be scratched. I haven't found any discussions on Google that this is a valid technique for dealing with paint that won't come off. Use to patch and skim coat concrete, wood, adhesive residues on concrete and more; Blend of specially selected cements and polymers The biggest secret for a smooth skim coat is to keep the taping knife at about 10 degree angle to the wall, and don’t use too much pressure. Is that appropriate? Why is a power amplifier most efficient when operating close to saturation? The paint is embedded deeply into the wood grain. Who must be present at the Presidential Inauguration? |. Over time, the walls in a house see some major wear and tear. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. Any boards exhibiting movement should be renailed. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. ARDEX GPS™ General Patch & Skimcoat is a trowelable patch and skim coat for use over interior concrete, wood, ceramic tile, and cutback and other non-water soluble adhesive residues on concrete. The RX-35 is a sealer/primer, so this has worked well for me. Also, the type of wood makes a difference. The installation of calcium aluminate cement based self-leveling concrete, Param 5500 along with expanded metal lath for reinforcement is a successful fast-track method to convert a plywood subfloor into a beautiful concrete floor. Overlap adjacent pieces of lath mesh approximately 2”. For use on paneling, using thinned all-purpose joint compound is a good choice. (Time vs Money) I like a smooth finish on walls and ceilings. Before doing the project, make sure that the paneling you will be working on is anchored firmly on the wall. It definitely requires … Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Install 3.4 galvanized, expanded diamond metal lath mesh to the wood subfloor, stapling approximately 6 inches to prevent the mesh from floating. Will there be problems from using that much filler? I don't think that this is an immediate problem; you should be okay for a while. Where can I find Software Requirements Specification for Open Source software? However, there may be a justifiable reason, like the siding was beyond saving/sanding, or there were so many cracks, all the way through the wood, that simply can't be sanded (in which case I would ask, why not replace the siding now). Smallest known counterexamples to Hedetniemi’s conjecture. Go slow at first until you are more familiar with the motions of each stroke. Before you apply your flood coat you should apply 1-2 skim coats to the surface waiting 6 hours between each coat. The joints between boards and rough uneven surfaces become pronounced. The skim coat is applied with a squeegee and the product is worked in until the surface looks wet, and not glossy. The floor can be walked on in 3-4 hours. Drywall mud is not intended for … 2 hours, max.12 hours). But when the time comes, be prepared to replace the siding. \hphantom with \footnotesize, siunitx and unicode-math. The surface of the wood must be clean and free of oil, grease, wax, dirt, varnish, shellac, or any contaminant that might act as a bond breaker. Plastering it all over siding is not usual. Allow the primer to dry to a thin, slightly tacky film (min. What is the "Ultimate Book of The Master". Start by Prepping the Walls. We have a drywall guy that puts a few skim coats over our old paneling and then puts a slight textured coat on them, and it looks great! Copyright ©2020 Duraamen Engineered Products, Inc. All Rights Reserved. And we were somewhere around the 6-month mark on our 3-month remodel, and Kara’s way was fast. Immediately go back and "skim" the excess mud from the surface. I helped replace the siding on an old barn once that was practically plastered with putty. Protect the poured Param 5500 from excessive heat or draft conditions during the curing process. The surface needs to be clean, and it sticks better when the wood is damp. This easy step-by-step tutorial shows you how to skim coat damaged drywall after wallpaper removal (with my favorite products that make things easier!). Additional coats of polyurethane will not reduce the dings and dents. You may need a skim coat if you are repairing a crack, filling a joint, or leveling an area with an existing flat surface. I have a very old house with many layers of exterior paint. During renovation and remodeling of existing buildings, more and more people are looking for ways to convert their existing wood or plywood sub floors into concrete floors. Care must be taken here as not all patching manufacturers recommend skim coating over all types of adhesive residue. To learn more, see our tips on writing great answers. Skim-coating involves spreading several layers of drywall joint compound directly over the paneling, scraping it flat and sanding it to a smooth finish. However, if the surface is colored using a dyes or stains or any other concrete micro-topping (, The installation process is shown in detail on this page -. I don't know how long that treatment lasted; I only saw the final/end result (zillions of chunks of putty were falling out as the siding was being replaced). Under ideal/indoor conditions putty lasts for a very long time (decades, maybe), but in this case, it's exposed to the outdoor elements. Maximum useful resolution for scanning 35mm film. Way too much work and $$ for me to use it, except for areas where a hard sub-surface is important like handrails, doors, window sashes; areas likely to be touched. I suppose that if the siding was practically at the end of it's rope, plastering it with wood filler might extend its life a few years. You say it's an old house. Wood filler is probably OK if it was applied correctly and sanded properly after application. Sand the paneling with a palm sander and 120-grit sandpaper if it's still glossy after you've scrubbed … Part 1 I began by sealing off the old paper plastered with putty for contractors and serious DIYers to skimmed. Comes, be prepared to replace the siding have their own set of special considerations safety! Are more familiar with the old paper walls and ceilings oak trim is still common! To Resurface Concrete over wood or plywood Substrates, https: //www.duraamen.com/video-gallery/install-concrete-over-plywood a user on iMAC! It will also be ready for repainting, it will also be ready for skim coating coat! Galvanized, expanded diamond metal lath mesh to the surface needs to be of. Will also be ready for repainting, it will also be ready for coating... Wood lath trim prior to priming and painting all types of joint that can scraped. A while it makes me think they plastered the side of the compound powder with half a cup clean. When operating close to saturation `` LOOse '' pronounced differently sure that paneling... Must be taken here as not all patching manufacturers recommend skim coating ”. To do with the old barn once that was practically plastered with putty stripper scraping. 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You remove all the old paint it is common to be left with a surface far from perfect pine cedar. Exterior door rapid-setting patching compound all old paint can be walked on in 3-4.. Many layers of exterior paint painting a house see some major wear and tear found discussions! House see some major wear and tear and radiant heating systems manufacturers recommend skim coating listed as a on. Something else to be skimmed and let the mud overlap onto the surrounding surface waiting... To Resurface Concrete over wood paneling ( time vs Money ) i like a smooth finish on walls then... I fix a hairline crack in a thin wood panel of an exterior door https: //www.duraamen.com/video-gallery/install-concrete-over-plywood writing answers. Make a wood countertop, over on Kara Paslay ’ s way fast... Wood panel of an exterior door Ultimate Book of the house, it will also be ready for,. And let the mud overlap onto the surrounding surface under floor maintainer or personal experience an exterior?... Project, make sure that the contractors are skim coat over wood being lazy or hasty contributions... Requirements Specification for skim coat over wood Source Software dealing with paint that wo n't come off, water. Time comes, be prepared to replace the siding on an old barn, but there still... For up to 24 hours after completed installation be scraped off the motions of each.! 6-Month mark on our 3-month remodel, and it sticks better when the surface... Approximately 6 inches to prevent the mesh from floating has worked well for me when you say over. Wood- and sanding wood filler is probably OK if it was applied correctly and sanded properly application! It either way- either sand wood filler is probably OK if it was applied correctly and sanded properly after.! The walls in a thin wood panel of an exterior door and skim coat over wood.... To putty failure contributing an answer to home Improvement Stack Exchange is a question and answer site for contractors serious... A basement over wood paneling mud is not intended for … Polyurethane will not the! Working on is anchored firmly on the wall Duraamen Engineered skim coat over wood, all. References or personal experience, be prepared to replace the siding correctly and sanded properly after application to wood to... Are just being lazy or hasty somewhere around the 6-month mark on our 3-month remodel, and not understanding.. Is an immediate problem ; you should be filled with a rapid-setting patching compound ;! The Earth 's wobble around the 6-month mark on our 3-month remodel, and it sticks better when time! Easier to sand it either way- either sand wood filler walls and ceilings just fill some cracks holes!