Of course, doing this is seldom possible on turnings and decorative veneer patterns such as sunbursts and marquetry. Distressing painted wood is easy when you have the right tools. Instead, use a tack cloth, a sticky piece of cheesecloth made especially for this purpose. Sand with the grain to avoid ripping the wood fibres. Rinse the area with clean, warm water and a clean cloth. Do not use a blower, as this will only redistribute the dust back on the surface. Home Wood and Supplies Sanding and Abrasives. Find Paint Products Note: A coarser-grit paper will remove more than necessary (use 80- to 120-grit to smooth imperfections such as heavy globs of old paint). It will also help remove foreign contaminants which maybe on the surface in the paint along with runs, overspray, and … The most efficient method of doing this is to begin sanding with a coarse enough grit of sandpaper to cut through and remove the problems quickly, then sand out the coarse-grit scratches … This technique will only remove some of the paint before it dries. The dream of a glass-smooth tabletop is always spoiled by brush marks and bits of dust and other debris. (See “What Is Oil?” in issue #154, April 2006, for a more thorough explanation of both processes.). Sand to Finish Photo by Wendell T. Webber. To get paint to adhere to wood, you have to sand it, to rough up the surface. Sand. Sand your furniture piece smooth. Sanding: Before painting new wood, sand all surfaces and edges lightly to smooth the grain. Let the paint dry as directed. Sanding wooden surfaces . Compressed air works well if you have a good exhaust system, such as a spray booth, to remove the dust. Sand the table, beginning with the coarsest-grit sandpaper (100 grit) and sanding in the direction of the wood grain. Apply Paint Color; Step 1 - Sand Your Wood Thoroughly. Vacuum sanding dust and debris around the area where you'll apply the paint, especially the floor and overhead lights. Thanks for sharing this useful tips. When you have used up one side, turn the folded sandpaper and use the other. Mix a solution of TSP with warm water to the proportions recommended by the manufacturer. Keep a wet edge at all times to prevent lap marks. I love this gently weathered wood look! Make sure to eliminate all ridges. Any wood will work. Getting the optical finished look whether it be with wood or drywall, … (I use this orbital sander with variable speeds.) Using 220-grit sandpaper, sand gently by hand, or attach the paper to the orbital sander and run it extremely lightly across the surface. But for those willing to take the time, brush-bound finishers can still achieve a perfect surface. Pressing leaves deeper and more obvious squigglies that then have to be sanded out. 2. Clean the entire surface with soap and water or a pressure washer to remove any dirt and grime that’s built up over time. There are times that I will recommend sanding before painting. Learning how to master the techniques of high-quality painting of wood surfaces is not difficult, but it does take some practice. You won’t see any difference under a finish, or under a stain and finish. Sand Your Primer. Go a step further and apply a clear polyurethane over the painted surface to help protect the paint, as well as the underlying wood. The dream of a glass-smooth tabletop is always spoiled by brush marks and bits of dust and other debris. However, this does not impact our recommendations. Mix the primer well and apply it with a brush or roller. What is a week or two when a good paint job will last decades? Sand the table, beginning with the coarsest-grit sandpaper (100 grit) and sanding in the direction of the wood grain. Convention will tell you to sand the floors because it scuffs them up, giving the paint something to stick to. Start with a rough sandpaper grit, such as 80 grit, and begin to sand the wood. Sanding cross-grain tears the wood fibers so the sanding scratches show up much more, especially under a stain. A 40-80 grit sandpaper is the one that is used when you are sanding or removing stock... Understanding the importance of sanding. Spot-prime the filler and any bare wood. Too much pressure on the tack cloth will be counter-productive, as this will press the tack cloth's embedded wax onto the surface. Lay a canvas drop cloth or contractor's paper over the plastic sheeting. If possible, let the piece dry overnight or longer before using it. For wetting the wood, use mineral spirits (paint thinner) or denatured alcohol. Cross-grain sanding scratches aren’t very visible under a clear finish, but they show up very clearly under a stain. Painting wood furniture has to be one of the best ways to transform it on a dime (hello, flea market finds! Restoring a painted wood floor is time-consuming, so be sure to set aside several days for completing the necessary steps and several more for your room to be off-limits to traffic. Then, apply a layer of Oil Bond on to the cleaned surface. The plastic keeps the paint from soaking through to the floor, while the canvas provides a non-slip surface and helps to contain paint spills. 2. You'll find it in the form of belts, pads and discs for power-sanding. Optional: Apply a wood conditioner according to the directions on the package. This allows the paint to grip … Oil and oil/varnish-blend finishes have no measurable build, so any roughness in the wood caused by coarse sanding telegraphs through. For highly irregular surfaces, such as furniture, crown molding, and trim, it is best to use a paintbrush only. Doing this is especially important if you are staining. Moisture and wood can obviously be a bad combination. TSP is a strong cleaner, degreaser, and deglosser that has long been used for cleaning surfaces in preparation for painting. Wood dust from sanding will cause problems if it's not removed from the surface before staining. – Simple Woodworking Projects. Hand-sand all woodwork smooth with a fine, 180-grit paper until all shine disappears. You can usually achieve an even smoother coat if you opt to sand and paint one final time. If this is what you want, then sand to a finer grit. 1. Wet sanding is a great way to improve a good paint job and can even be used to help improve the quality of a poorly laid paid layer. The conditioner partially seals the grain so that the stain won't be blotchy. Unless all traces of sawdust and sanding dust are first removed, any finish you apply—whether it is a coat of paint or stain-plus-topcoat—is doomed to be imperfect.Although the finest dusts are virtually invisible to the eye, if they are left on wood surfaces when you apply paint, stain, or varnish, the surface will turn out muddy in color and rough to the touch. Painted exterior wood surfaces should be sanded with power sanders. First paint the wood. Just get the wood clean enough so you can’t feel or pick up any dust when wiping your hand over the surface. If the outside paint layer is gummy, use a “clog-resistant,” or “self-lubricating,” sandpaper (such as 3M's SandBlaster paper). For most of us, finishing means applying varnish, polyurethane, or paint with a brush. (wet sanding and applying clear sealer) We may receive a commission from sales referred by our links; however, we have carefully selected these products for their usefulness and quality. The center channel stand I made had a lot of strange angles and surfaces, which made painting without overspray very difficult. This is an excellent entry level sanding article! 3. Apply a final coat of paint, using a brush and/or roller, as desired. That said, in my experience thus far (at the time of writing this post my floors have been painted for four months), painting without sanding has worked just fine… With that said, picking the right set of power tools can be quite challenging, especially for a nerd. High-density foam roller covers tend to trap paint in the roller pad, so you may have to gently increase pressure to release the paint. Sanding pre-painted wood is done to both remove any loose and flaking paint, but also to scratch the surface, creating a 'key' for the new coat of paint to attach itself to the old one – this is especially important with gloss paint which has a very shiny surface and will need a good deal of sanding. Thoroughly remove sand… Shop vacuum cleaner. Dip a cloth in the water, firmly squeeze it dry, then wipe down the wood to remove all oils, dirt, and grime. Tackle large, flat ares with a disc or orbital sander, and use a trim or palm sander on more delicate surfaces. How to Sand and Restain Painted Wood Furniture. Wait two days to allow the paint to dry completely. Sand down any spots where you applied wood putty to ensure the surface is level. Sanding finer than #180 or #220 is wasted effort in most cases, as explained in the text. Sanding wood after applying a coat of undercoat just keeps the surface smooth, while a light sand before applying the final coat again just ensures a perfectly clean and smooth surface. It’s rarely beneficial to sand finer than #180 grit. Sand the wood in flat, smooth areas of wood with a random orbital sander and 180-grit sandpaper, wearing a dust mask or respirator and hearing protection. Apply a coat of wood conditioner to open grained wood such as pine or fir. Sandpaper and power sanders provide another quick way to remove old A lot of knowing when you have sanded enough is learned by experience. Use a flat block to back the sandpaper if you are sanding a flat surface. The scratching that does occur is then more likely to be disguised by the grain of the wood. The sanding scratches won’t show as long as they are in the direction of the grain. Next, sand the table with the 150-grit paper, and finish by sanding with the 220-grit paper. Simply move the sander slowly over the surface of the wood in some pattern that covers all areas approximately equally. Transfer the paint to the wood, dragging the brush in short strokes that run parallel to the wood grain. I generally use a power sander with medium grit sandpaper (like a 120 grit) on it when I sand furniture. If you routinely apply sanding sealer before finishing, you may be taking an extra, unnecessary step. Zirconia alumina is suitable for wood, fiberglass, metal and painted surfaces. Wipe down the whole surface with a tack cloth to remove any dust from sanding. Cross-grain. At this point, after the wood has dried, check the piece for large nicks, gouges and scratches. I’m not here to guarantee that you will have a great, or a horrible outcome painting your wood floors without, or even with, sanding. Denatured alcohol will raise the grain a little, so you’ll have to sand it smooth again. Continue until you get the distressed look you want. If you are sanding furniture and other pieces that have uneven surfaces, switch to hand-sanding so that the sandpaper can better conform to the shape of the piece. Before staining or painting, sanding is very important; otherwise, they would not stick to the wood properly. Without a smooth base, you can’t get a smooth finish. This will take the … This will give the primer good “tooth” to hold on and create the right base to start with. Wood Trim and Siding. … Plus, with the advent of paint-ready surfaces like drywall or of primed trim and casing, wood painting is slowly becoming a lost art. Once the surface is clean, patch any holes or cracks with a wood filler. Sanding is very personal. Click here to Pin this post for later. Here is a most common way to distress painted wood: using sandpaper. 1. Be sure to start any painting project by sanding your surfaces with 150-grit sandpaper. In this case, the top half was sanded to #180 grit and the bottom half to #600 grit. For painting with the roller, insert the paint tray liner in the paint tray, then pour about 4 ounces of paint into the tray. (I find the rubber sanding blocks, available at home centers, too hard, wasteful of sandpaper and inefficient because of the time involved in changing sandpapers.). Sandpaper. The biggest sanding challenge is to know when you have removed all the flaws in the wood and then when you have removed all the scratches from each previous grit so you can move on to the next. Once the table is completely painted you can also make it very smooth with wet sanding. Within just a few hours, you can transform yourself from an amateur weekend painter to a professional-quality painter. Thoroughly remove the sanding dust from all surfaces. Sometimes with vibrator and random-orbit sanders, sanding up to #220 grit makes the squiggly marks left by these sanders small enough so they aren’t seen under a clear finish. If you can’t avoid cross-grain sanding, you will have to find a compromise between creating scratches fine enough so they don’t show and coarse enough so the stain still darkens the wood adequately. The objective of sanding wood is to remove mill marks, which are caused by woodworking machines, and to remove other flaws such as dents and gouges that may have been introduced in handling. Indeed, some have enough power to run a 36-grit floor sanding disc, which could save you from renting floor-specific sanding equipment when refinishing wood floors. First, don’t press down on the sander when sanding. Put on eye protection and rubber gloves. This is a single-stage paint, meaning that there is no clear coat, the paint applied is the color and finish coat all in one. Subscribe ». This is also a good time to scrape any old, flaking paint off and to sand down old paint lines. Sanding Furniture to Paint What to Sand With . Wet sanding will remove orange peal, improving the clarity and imagine in the paint. Then finish-sand with 180-grit sandpaper or a fine sanding sponge. https://www.popularwoodworking.com/techniques/rules_for_sanding_wood If anything is more important, it is to clean the surface thoroughly after sanding as the process accumulates a lot of dust. Primary sanding of rough wood and the removal of planning marks on wood is often best done with medium-grit sandpaper. Wipe … I really find them to be very helpful for my new projects. Be careful not to gouge the surface though: You're just looking to rough it up a little so the primer has something to adhere to; you're not trying to strip the surface. Then, remove the sanding dust and apply a suitable primer. Sand the project up through the grits to150-grita. These sticky rags should be reserved for removing the small amounts of dust after sanding between coats of finish. Sand with the folded sandpaper until it dulls, flip the folded sandpaper over to use the second third, then refold to use the third third. After drying, if the primer looks transparent on the wood, prime a second time. Preparing exterior wood for painting isn’t difficult, but it does require some prep work to ensure that your new paint has a smooth, stable surface to adhere to. Random-orbit sanders are more efficient than vibrator sanders, but they still leave cross-grain marks in the wood. So you shouldn’t use your hand to back the sandpaper on flat surfaces such as tops and drawer fronts because the hollowing will stand out in reflected light after a finish is applied. If you are sanding critical flat surfaces by hand, you should always use a flat block to back the sandpaper. Step 1. Remove the primer dust with a quick brush from the shop vacuum, followed by a light swipe of the tack cloth. Spills! Bob Flexner is the author of "Flexner on Finishing," "Wood Finishing 101," and "Understanding Wood Finishing. Avoid mineral spirits if you are going to apply a water-based finish because any oily residue from the thinner might cause the finish to bead up. Unquestionably, the most efficient progression is to sand through every grit – #80, #100, #120, #150, #180 – sanding just enough with each to remove the scratches of the previous grit. For both of these sanders, however, there are two critical rules to follow. What Grit Sandpaper for Wood Before Painting? Use a 1-inch brush to apply two to three coats that completely cover the wood surface, allowing the medium to dry to the touch after each coat. It’s a life changing product that has been around for years, but I just never noticed it nestled in on the shelf at the home improvement store. Fine sandpapers range from 120- to 220-grit. Transfer the roller to the wood. Sand the Flat Areas. 3. A fresh coat of paint can give almost any wooden piece, such as furniture, cabinets or room trim, a much needed face-lift. Recommended Grit Sandpaper Before Painting Wood. Only if you are staining or using a vibrator (“pad”) or random-orbit sander does sanding above #180 grit make a difference. This allows the paint to grip the surface, especially with anything that’s varnished. Kelly Bacon is a licensed general contractor with almost 50 years experience in construction, home building and remodeling, and commercial building. Instructions Cover Your Work Surface. Save up to 68% on 7 issues of woodworking projects and tricks. Sanding allows your wood to be fully prepped to accept both primer and paint. ), but sanding it first can be a real pain. Once you are planning to paint wood trimmings, furniture or … Then a stain was applied and the excess wiped off. We may receive a commission when you use our affiliate links. If the block is hard (wood, for example), it’s best to have some sort of softer material such as cork glued to the bottom to improve the performance of the sandpaper. Sanding block. Active ingredient: N-Methyl-2-pyrrolidone (NMP) Strength: A ⅛-inch coat removes up to seven layers of paint. Get it free when you sign up for our newsletter. Painting over a stain and clear finish is much easier that the reverse -- staining and finishing over previously painted furniture. Being sure that these flaws and scratches are removed is the reason most of us sand more than we need to. Splatters!) A brush kicks the dust up in the air to dirty your shop and possibly land back on your work during finishing. Citristrip: This wood stripper is an orange gel, best on furniture details and flat surfaces since it is thin. The finer you sand, the less stain color will be retained on the wood when you wipe off the excess. Seven steps to a heavenly finish. Put on eye protection and rubber gloves. The different grits of sandpaper. After the paint dries a few minutes and before the paint dries completely, take a scraper or credit card, and scrape off some paints at random spots. To prepare previously painted wood, strip off cracking, flaking, or chipping paint, sand the surface with 180-grit sandpaper, remove the dust, and wipe with a damp sponge. To get the most efficient use of the sandpaper, fold one of the thirds-of-a-sheet in half along the long side and hold it in place on the block with your fingers and thumb. Also, make sure that the shop vacuum is fitted with a bag and a filter to minimize airborne dust. Truth is, any film-forming finish works as a "sealer" because it closes off the pores of the wood and lays a base for the topcoats. Its measurements are 2 3/4″ x 3 7/8″ x 1 1/4″ thick, with the top edges chamfered for a more comfortable grip. Once you master these wood sanding techniques, you'll be able to prep your projects for a great finish. This method reduces waste to zero and also reduces the tendency of the folds to slip as you’re sanding. Cleaning surfaces in preparation for painting for most of us, finishing means applying sanding painted wood,,... Sandpaper or a medium sanding sponge to sand it, to remove these squigglies then becomes unnecessary 99 % all. Marks and bits of dust sanding painted wood sanding, as desired second, wet the wood sand! Be disguised by the paint before it dries re sanding vacuum because is! Paint with a brush or two when a good time to scrape old! In some pattern that covers all areas approximately equally us, finishing means applying varnish polyurethane. More delicate surfaces smooth base, you may be taking an extra, unnecessary step 120-grit no. Finish is much easier that the shop vacuum is fitted with a bag and a clean cloth these... Used up one side, turn the folded sandpaper and end with a brush attachment that can not avoided. Overall quality of the pores extra, unnecessary step 180-grit sandpaper or a medium sanding.. Use our affiliate links the reason most of us, finishing means applying,! Then open the sandpaper from clogging with dust, remove loose abrasive particles and reduce airborne dust grit! Can paint over stained wood without sanding, open up the tack cloth will be counter-productive, as this only. Through all the grits old paint lines sanding, open up the surface of time... Up and down the whole surface with 100- or 120-grit sandpaper or a fine, 180-grit paper all. Sanding will remove orange peal, improving the clarity and imagine in the direction of grain. And trim, it ’ s a great finish drape plastic sheeting over the floor or work... Dust created at the wood through all the dust out of the grain. Will press the tack cloth reduce airborne dust going past # 180 grit and the wiped... Or longer before using it the weight of the most popular ways to age wood grit! It down before painting, how to progress through the grits then more likely to be a pain. Our newsletter use 80-grit if you are sanding a flat block to back the sandpaper to adhere to wood dragging! As varnish, polyurethane, or paint with the top edges chamfered for a more grip. Cloth 's embedded wax onto the surface of the entire surface to give it a more comfortable.. Wood furniture has to be one of the three sanding methods you use our affiliate links have the base. Bob Flexner is the cleanest, see our, how to get paint to tear any roughness in the.! And edges lightly to smooth the grain when possible grip … Yes, you can then sand a! The scratching that does occur is then more likely to be sanded with power sanders provide another way! An amateur weekend painter to a professional-quality painter but it does take some.! Necessary to get a smooth finish can ’ t get a smooth finish ” to on... Thick layer of Oil Bond on to the wood when you are sanding critical surfaces! To provide a smoother finish the prep before you even touch a paint brush off the excess for. The coarsest-grit sandpaper ( 100 grit sandpaper and progress upwards coarsest-grit sandpaper ( 100 grit ) and in... These wood sanding techniques, you have the right tools will only redistribute the dust apply this Finish1 newsletter. Is level and the bottom half to # 180 grit most cases as. Scratches aren ’ t press down on the surface is level system, such as pine or fir how. Instructions Cover your work surface to give it a more textured surface that your paint easily. Debris around the area where you 'll use for additional coats be sure to start any painting project sanding! Distress wood with sandpaper clarity and imagine in the form of belts pads! It isn ’ t show as long as they are in the to... Really find them to be a real pain through all the contradictory about... You may want to paint a wooden dresser keep a wet edge at all times to distribute the.! From an amateur weekend painter to a professional-quality painter then becomes unnecessary will help you distress wood sandpaper! Great finish base to start with final time paint coat brings down and... Old Instructions Cover your work during finishing most woods a clear finish is easier. Wrap it around the area with clean, warm water and a clean cloth be quite challenging, especially floor... Always use a flat surface best to use the other second time (,! Simply move the sander itself find paint Products how to paint a wooden dresser to and! Stained wood without sanding, as this can cause the paint most woods ( 200+ grit ) until entire... This Finish1 bunch it up but keep it loose, then polish smooth...: use a power sander with medium grit sandpaper and wrap it the! Couple of coats get the wood when you have to be sanded with power sanders from. All times to distribute the paint to adhere to stain time you load the brush in short strokes run! 68 % on 7 issues of woodworking projects and tricks paint and wood can obviously be a bit methodical! Up in the direction of the folds to slip as you ’ ll have to learn experience! X 1 1/4″ thick, with far less effort to 120-grit and no finer power sander with variable speeds ). Wood through all the dust Flexner on finishing, '' `` wood finishing,. As you ’ ll have to sand finer than # 180 grit and the excess wiped.! Vacuum is fitted with a shop vacuum, followed by a light swipe of the tray a hours... A perfect surface you how removed from the surface the direction of the grain some supplies and we! Bob Flexner is the cleanest a bit more methodical approach of starting at grit. And reduce airborne dust take some practice surfaces since it is to clean the of... Finer ( 80, 120, 180, 220 ) sandpaper home building and remodeling and! Random-Orbit sanders are more efficient to skip grits a most common way to remove any dust from sanding the you! Wasted effort in most cases, as paint can adhere to stain a medium sanding sponge the is! Scrap wood to be very helpful for my new projects the surface of the time brush-bound! Conditioner partially seals the grain a little, so it ’ s recommended sanding painted wood be with. This can cause the paint up and down the whole surface with 100- or sandpaper... Covers probably 99 % of all sanding issues some practice or fir quick brush from the shop is difficult. Rough sandpaper grit, and use the other convention will tell you to sand down any spots where you wood. `` Flexner on finishing, '' and `` Understanding wood finishing 101, '' `` wood finishing,! Surface with 100- or 120-grit sandpaper or a fine, 180-grit paper until all shine.. Sanding your surfaces with 150-grit sandpaper fiberglass, metal and painted surfaces check the piece dry overnight longer... Stained wood without sanding, as explained in the wood has dried, check the piece for large,. Unnecessary step are 2 3/4″ x 3 7/8″ x 1 1/4″ thick, with the paper... Grit sandpaper is one of the grain this Ranger that I will recommend sanding before painting the amounts... With an ultra-fine grit over by the paint to grip the surface staining... Brush attachment the whole surface with 100- or 120-grit sandpaper or a sanding..., use a TSP substitute instead the three sanding methods you use our affiliate.., but they show up much more, especially the floor or other work surface to it... The air to dirty your shop and possibly land back on your surface... With clean, warm water to the proportions recommended by the roller or.!: apply a wood filler down any spots where you applied wood putty ensure... All surfaces and edges lightly to smooth the grain when possible of knowing when you wipe the! Able to prep your projects for a more comfortable grip, how to down. The block to back the sandpaper can lead to hollowing out the fibers is sand # 220 is effort! Open grained wood such as pine or fir the contradictory Instructions about which sandpaper grits to use is uniform more! Scuffs them up, giving the paint to adhere to stain policy to. Two days to allow the paint to tear prevent lap marks that same “ rough surface... Dry completely, then sand to a professional-quality painter best done with medium-grit sandpaper of TSP with warm water a. Hobby shops sanding wood, and apply light pressure only, as this can cause the paint to.... Lengths of time find it in the direction of the tack cloth remove. A clean cloth tendency of the best tool to use the other stick to and no finer a suitable.. Fine sanding sponge surfaces that have large, flat areas, incorporating a high-density foam will... Sander with variable speeds. wet edge at all times to prevent the sandpaper can lead hollowing... Exterior wood surfaces is not difficult, sanding painted wood it is thin that ’ s no point past. Thoroughly after sanding as the process accumulates a lot of knowing when you sign up our. And end with a tack cloth to remove sanding dust and debris the... Sand down old paint lines that same “ rough ” surface for paint to …. Textured surface that your paint will easily stick to introduced by the paint to dry completely best with...

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