The edges/profiles get 240 grit, spot primed and then 320 grit. You can sand as normal with a fine sandpaper grade such as 120-180 grit to help smooth out. Wait for it to dry completely and LIGHTLY sand, then oil prime, sand again and paint as required. This leads to the repeated application of coats of paint or primer to the MDF, until it stops soaking all of your paint. 8. Here are some simple step-by-step instructions on how to sand MDF like a pro! 1. Sand the surface of MDF with 120-150 grit sandpaper to smooth out any rough spots, splinters, or chipping. Otherwise, it will take coat after coat of primer to get enough build. Edge & raised panel, rotary flap profile sanding heads accommodates different machines. Sand and Wipe. The sandpaper is p100 grit attached with spray adhesive. Thibodeau uses a sanding stick with a few wraps of blue tape at one end to bring the edges and ends of the MDF flush with the substrate. Spray several light coats of de-waxed shellac to seal it then paint it as desired. Let the edges dry, and sand them down to an even, smooth surface with a 120-grit sanding sponge. This will make them perfect. Gluing and clamping with cauls, flush trimming top and bottom. Then prime. Probably the most common question I get asked on here is how to paint MDF edges or MDF end grain as it commonly gets called. After that time, you should sand the edge faces by hand with 180 grit sandpaper. 4K. Sep 14, 2023 · Finishing and Sanding Importance of finishing MDF edges. November 13, 2005. Sep 11, 2022 · Big thanks to SimpliSafe for sponsoring this video! Save 20% on your system and your first month is free when you sign up for interactive monitoring. Care should be taken as MDF is softer than wood and you must wear a dust mask due to the fine dust particles it produces. Sand away any rough edges, then wipe the surface clean with a dry cloth to remove any debris. Sanding also helps the paint adhere better to the surface. Start on the edge and roll the panel on the round over. Then use a damp cloth to make sure all the dust is removed. Mar 5, 2022 · How to paint MDF, the easy way, with a mini roller and 1in paintbrush. Apply a sanding sealer: After sanding, apply a sanding sealer to the MDF board. Join Peter in his latest woodworking tutorial where he demonstrates the art of sanding MDF edges to perfection with a belt sander. This time, let it dry for four hours. Sand the surface and edges using an orbital sander with 180-grit sandpaper. You may need a few coats with some light sanding between each, but it'll get the job done. In fact, MDF is easy to cut. Sand along the wood grain with the 40-grit sandpaper to smooth out any significant imperfections or unevenness on the surface of the MDF. Sep 27, 2023 · Edge banding MDF edges adds a level of consistency which is difficult to replicate by hand. See full list on bhg. Sanding the Edges of the MDF Work piece: Apply joint Nov 28, 2023 · 1. Sealing the edges will prevent the board from swelling or deforming if it does get exposed to moisture. Sand the Surface. The manufacturer’s suggestion on the can label will tell you how much time that will or should be. #diy #lifehacks #woodworking No matter how many power sanders you have, you do occasionally need to hand-sand. I build plinths that need to The ROBA Profi Edge is a solution for sanding profiled edges and panels. F, 50% rel. When applying wood filler to MDF, you will want to use a high-quality filler specifically designed for this material. After sanding it did feel smoother but I applied the blowtorch again for a second coat of heat. Dip your brush or rag into the can of shellac, then use it on the MDF surface in a thin, even Jun 3, 2014 · Apply a small amount of drywall compound to the index finger. Press into edges good then after its dry sand a little and paint. The sealed edge can be stained, if required, and then finished with one or two coats of clear or tinted lacquer to match the finish on the surface. For any painted cabinets, furniture, wall paneling, and some molding, MDF is a great choice of material. Oct 11, 2023 · Discover the art of Sanding: Can you sand MDF effectively? Learn tips, techniques, and safety guidelines for perfect finishes. Iron. With the slick surface of MDF, you only need to sand the edges and saw-marks out of it and spray it with one or two coats of enamel paint to seal the MDF from moisture Feb 19, 2024 · Properly sanding the edges of MDF. This makes for fast painted edges. Description. I cut baltic birch. Share. Apply Sanding Sealer. You can also conceal any unwanted marks or flaws on the flat surface of your board with any leftover compound. And to be honest I was really surprised by some of these tests! I think Aug 22, 2022 · Clean the surface of MDF with a damp cloth or vacuum cleaner to remove any dust or debris. Ride a knuckle on the stock to help steady the plane at a consistent angle. Seal the edges with drywall putty to ensure a consistent coat when painting medium density fiberboard. May 24, 2009 · To keep it aligned while the glue set (and lots of glue, the edge of the MDF will just drink it in) I pre-drilled for small 1-1/2 finish nails every foot or so and used them to pin the edge. This helps in preparing the surface for primer. Move the latter into the MDF 4 days ago · 1 Sand the MDF. Ensure to remove dust after sanding the surface. After it has dried, sand down the edges with sandpaper. Gently deburr the cut edges with 120 grit sandpaper wrapped around a piece of wood. The easiest and most efficent way to form open grain on MDF or HDF is to seal it with lacquer with conventional spray or brush, then sand with 320. Surface finish after fine sanding the MDF with 320-grit sandpaper. Dec 11, 2015 · I am working with CNC routers and a lot of MDF, which is great UNLESS you need to paint the edges which are furry in some spots and all open and porus everywhere else. If the surface is stained or soiled, use a mild detergent and water to clean it and let it dry completely. Step 5 - Apply an MDF primer. Sep 17, 2023 · Start by sanding the MDF board using medium-grit sandpaper. Step 2: Sanding. Sep 2, 2018 · Finishing MDF and achieving a good finish on the edges can be a time consuming and messy job. When that is dry, buff it with a shoe brush. In this detailed guide, Pe Aug 23, 2023 · Sanding rounded edges can be a daunting task, especially for beginners. MDF (Medium Density Fiberboard) can be sanded to achieve a smooth and even finish. Paint loves MDF. Jan 19, 2020 · Are you struggling to paint your MDF edges?Have you tried lots of different methods to seal them ready for painting?This video shows you a quick and easy way Yes, it is possible to sand the edge of MDF. Here's an EASY way to make some sanding tools. Sand the surface, apply a suitable primer, and use oil-based or water-based paints. MDF stands for medium density fiberboard, which is a wood composite material made up of wood fibers mixed with resin. Apply to the edge of your MDF board. Aug 15, 2013 · I used sheetrock mud on the shelf I built out of mdf worked really well. To me, sanding sealer is shellac. Medium Sanding the MDF Workpiece: Use 120-grit sandpaper to level up the surface of the MDF. This step-by-step guide will walk you through the entire process, ensuring that you can achieve smooth and even edges with ease. A wipe with Hydrogen Peroxide will remove most of the burn marks and white wash the surface. If painting, apply a coat of primer to the surface of the MDF, as this will help the paint to adhere. I find an electric planer is the easiest tool for the job especially when you have to take off around 1-6mm. . From contributor J: Slightly thin with water some exterior grade waterbased spackle and smear it into the edges of your MDF. I do really like Sherwin William primers. Once everything’s finished, match paint like you normally would, and allow plenty of time for it all to dry. Avoid mixing PVA with water. Work in a ventilated area and use safety gear for protection. The machine uses the typical MB double brush unit, which is attached to a mobile support that moves in the background along the stationary workpiece. Then rub down the entire piece of MDF with some walnut oil. Begin sanding with coarse-grit sandpaper. BIN 123 is pigmented shellac. Sealing MDF Edges With Oil Based Filling Primers: Oil based filling primers are another alternative for priming MDF edges can also be used on the edges, then sanded down when thoroughly dry. Fine Sanding the MDF Work piece: Here use 220-grit sandpaper to obtain a perfect finish. Synkoloid is good. Sanding the MDF should be done with medium-grit sandpaper, preferably 150 or 180 grit. If the PVA glue gets on your carpet, use Vax to remove it. Initiate the finishing process. The circle has to stay perfect. This is especially relevant when a team of people are working together. We all know MDF edges suck up paint, my question is how do I seal the edges prior to paint? Finishing MDF requires a little extra care starting with the proper board, sanding, and of course a primer higher then 50% solids at the gun. It soaks into the pores but dries clear and provides a good paint surface. Ensure the edges are well-sealed to prevent absorption and achieve a smooth finish. Dec 14, 2011 · I use MDF all the time for fabrication and a relatively cheap method is to seal the edges with thinned white glue. Jul 26, 2023 · 3. Therefore, use minimal pressure to avoid sanding down the edges excessively. It does seem like plain shellac might penetrate better because it has no pigment, but I think the BIN 123 would probably do fine by itself. Sand along the direction of the grain, then use a vacuum cleaner or dust extractor to remove the leftovers. Just lightly sa MF. If you have ever built a cabinet, counter, bench, or table out of medium density fibreboard and then tried to paint it, you probably noticed very quickly that the edges can suck up a lot of paint. Once you cut sheets to size, the edges remain smooth, hence the need to finish them. Turbosand, Precision Sanding on hardwoods and MDF. In this detailed guide, Pe Dec 6, 2020 · First step - saves me 1 coat of primer! Sanding before primer with 320 grit sandpaper - until it becomes a bit gloss and very smooth ( some call it polishing raw mdf) Show more Sep 15, 2008 · I laminated 7/8" plywood and 1/2" mdf for the top, and edge banding oak strips about 3/8" thick. Oct 6, 2020 · I’ve not used MDF for much except waste boards so, ignorant of finishing strategies for inside edges of letters. As the wheel wears, and the diameter is reduced, the In today's video I will be showing you how to achieve a professional finish on MDF edges. Start with a 120 grit, then graduate to Feb 2, 2022 · I've tried 12 different methods to find out what the best way is to finish MDF edges. There is no need to seal the edges with sanding sealer or MDF primers. A lightly sanded surface will give the MDF board a ‘key’ to which the paint can cling. Here's an EASY way to make some Oct 27, 2023 · Yes, you can paint MDF with proper preparation. It is a relatively delicate material that can easily be scratched, so sanding can be a useful way to smooth out rough edges. To get a clean finish on MDF, softly sand the edges and move all over the surface with finer grit sandpaper, preferably 320-grit. A good acid-neutral PVA glue works best. That will seal the open pores, making it easier to obtain a smooth and Join Peter in his latest woodworking tutorial where he demonstrates the art of sanding MDF edges to perfection with a belt sander. All of this is pretty much what I thought too. Be sure to also seal the edges with a sanding sealer or water-based primer for additional protection. I sand machined edges on MDF with 100 grit sandpaper (anything finer at this stage seems to be wasted effort), seal with Zinsser seal-coat shellac wiped on with a piece of lamb's wool. Almost any profile can be cut in MDF for applications in the furniture, fitment and building industries. Wipe away as much dust as you can with a dry cloth. Extra-large sanding tools, which rotate The core of MDF is compressed sawdust, glue and resins so when you apply paint to those areas it soaks right up. By William Duckworth Jun 06, 2006. I am seeking a cost effective and efficient method / product to produce acceptable painted edges on MDF. Once installed, it'll get sprayed with an airless sprayer. Wipe the compound across the edges of the MDF sheet to prevent moisture from getting into the MDF during the rest of the sealing process. All of these samples received a single coat of the associated sealer (68 deg. a little easier on the back) or miter folding 3/4" MDF with a little fill at the miter point. Pits, gouges, and seams can be filled with wood filler and a putty knife, and sanding it back down once it dries. averagejoesjoine I will start working solid wood again soon (been doing a lot with plywood and MDF recently). com/charliedi Feb 28, 2013 · The remaining samples were treated as follows, lightly hand sanded with 220 grit paper, then primed the same way as sample 1. 3. Once the primer is dry, you are now ready to apply the wood filler. Apr 2, 2021 · When sanding MDF boards, they produce a lot of fine dust which can irritate your eyes and lungs, so be careful and wear a dust mask and safety goggles. I have belt sander, disk sander and oscillating sander. Repeat to finish. Apply two (2) sanding sealer coats over the MDF board with a paint roller. Here’s a bit more detail about painting the MDF edges. To sand the internal door profile you can use also use an OMNIA 90 PLUS sanding machine system, a semi-automatic machine that will solve your tedious manual sanding. Then wipe away any dust with a soft cloth. Now you need to apply one - three coats of normal (bog standard) acrylic primer to the raw edges only, no need at this stage to paint Jul 21, 2023 · Step 4: Fine Sanding the MDF Workpiece. Sand lightly when dry. When run at the correct speed, these sand and seal the MDF edges. For staining, dip a clean cloth into the stain and wipe it over the surface of the MDF, taking care to follow the pattern of the compressed wood product. If you need to replicate lines, fold some 100-grit sandpaper in half, and use the edge to sand them in. The best way to apply shellac is with a brush or a rag. After drying, lightly sand it down, but be careful not to sand down the coating itself. Hit it with a hand sanding to make sure it is still round. It is available in three versions: 1. Add the second coat of filler and allow this to dry. After sanding the second coat it felt silky smooth. After the edge sealers dry properly, use the 220-grit silicone-carbide sandpaper to smooth the edges. Sand the MDF surface with fine-grit sandpaper (220-grit) to remove the sealer top coat (if any), flakes, high spots, and bumpy edges. Care is needed to wear the appropriate safety equipment and regularly change the blades as the glue will dull them if you need to do a lot. Given that MDF edges are more porous and can absorb more paint or stain than the faces, apply a wood sealer or primer to the edges. Use a circular motion and repeat the process until it is perfectly smooth. With the slick surface of MDF, you only need to sand the edges and saw-marks out of it and spray it with one or two coats of enamel paint to seal the MDF from moisture Sep 28, 2021 · You can plane the edges or faces of an MDF door quite easily. The lightweight spackle doesn't work well. May 28, 2023 · The edges of MDF are where the fibres of the board are more exposed and typically need more work than the flat upper surface. Sanding is achieved using our special ST Wheels. This usually saves one coat of lacquer and virtually eliminates denibbing. But there’s a lot more to know. Even our painters like it. Here’s the good-enough process I apply to most projects, including trim: First, lightly sand the edges with 100-grit paper. 3) Sealed the MDF with lots and lots of inexpensive sanding sealer. With these guidelines in mind, you can confidently create beautiful and long-lasting painted MDF creations. Make sure you sand the edges as well since MDF edges are particularly absorbent. Wear the appropriate safety equipment when sanding. Cover the entire MDF surface with a high-quality wood primer undercoat. com Jul 14, 2018 · 4. 400mm and 3. These guys believe in those hard and fast rules. So put a coat on the edges, let thuroughly dry, then light sand, and repeat. 00 (only cost being electricity which I can see being fractions of a Jun 6, 2006 · Tips for Painting MDF. Band saw leaves rough edge. Tip: A block with a V-shaped notch helps support square work at a convenient angle for breaking edges. Clean off any residue before proceeding. Smartedge is the edge painting, filling and sanding machine which can be configured in modules to meet different quality and productivity requirements. Sand the edges and ends very well with 150-grit sandpaper, then apply a light coat of filler (such as Timbermate water-based wood filler or even joint compound). I currently use Kilz oil based primer spray paint followed up with various brands of spray paint for a finish coat. Note: for better results prime board right after you sand it, don't let it sit for days picking up humidity. Getting started: You can use an airbrush or glue spray bottle to apply the glue to the edges of the MDF. Edge sander. The Cantek E6 oscillating edge brush sander can effectively sand the edges of solid wood or MDF cabinet doors, furniture parts, and stair treads to prepare it for finishing and between coats. Sand them as smooth as possible. MDF is commonly used by cabinetmakers to build raised panel doors. With raw MDF edges, it requires sanding and 2 coats of primer. Price range should be suitable for serious one man shop. buymeacoffee. This sealer helps Jan 21, 2015 · Sanding stick brings it flush. but, with a little Oct 28, 2022 · 80 or 100-grit sandpaper (medium) 120 or 220-grit sandpaper (fine) A tack cloth. Sand the MDF edges lightly by hand with sandpaper (preferably #220) and wipe down with a clean and dry cloth. Sealing MDF helps prevent uneven absorption and ensures a uniform finish. I can not get that perfect circle to stay. Remember to sand the surface, apply a primer, and seal the edges properly. Sand the edges of your new pieces smooth after the glue has dried. Jul 28, 2011 · Align the plane’s body roughly lengthwise with the corner you’re chamfering. Use a synthetic brush or a sprayer to coat the surface of the edges evenly. It is very porous. Leave to dry, sand with 120 grit sandpaper and repeat as required. I tell them there is no such thing. Sorry to offend, I was responding regarding edge banding which was the topic - rwe2156 Feb 19, 2021 · You might need 2-3 coats on the MDF edges if they are exposed. 3 is a unique Profile Edge sander, which sands and seals MDF edges in one pass. humidity): Sample 2: Min Wax Wood Hardener, allowed to dry for 8 hours (at least four is the recommended dry time). Wait for the coating to dry. I put to the test 9 different methods for sealing and painting MDF. Final Sanding It would be best to sand the second coat of MDF edge filler using grit sandpaper (preferably #320). Sand the surface: Next, sand the MDF board using sandpaper of various grits (start with a lower grit and gradually move to a higher grit) to smooth out any rough edges or imperfections. The goal is to knock down raised spots and make the edges consistent with the rest of the board. Once the surface is cleaned, apply a coat of primer to the area. After you have primed and sealed the MDF, it is time to prepare the full surface for painting. Nov 28, 2022 · Apply several thin coats until the MDF is covered. Nov 2, 2023 · Step 4 - Seal the edges. Yest there is a hole in it left from a pin that I used when I made a perfect circle with my band saw. You will want to apply a few thin coats of stain, giving adequate time for each to dry fully. Finishing MDF edges makes it ideal for painting, laminating, or attaching veneers. From contributor K: I would use a 1/16" or 1/8" round-over bit in a router to ease the edges. - mtnwalton Start your own thread, instead of posting in the middle of someone else s. How to paint MDF edges Jan 2, 2019 · The sealed MDF edge can be sanded when dry, but you should not completely sand through the glue coating. May 9, 2021 · Do THIS Before Painting MDF (How To Seal MDF Edges) Don't have the right primer on hand? Here's a quick way to seal MDF cuts before painting to get perfectly Mar 25, 2024 · Yes, painted Medium-Density Fiberboard (MDF) can be repainted by lightly sanding, sealing with a primer, and applying the new paint. Step Three: Sand the Entire MDF Board. Aug 30, 2020 · Using an oil-based filling primer or PVA glue [3] The methods for using primer and PVA glue are the same. Jul 14, 2018 · One the primer is bone dry, sand the edges of the MDF until they’re smooth; Re-prime any bare edges after sanding and allow it to dry; Apply 2 coats of your chosen top coat of paint; The above will work in 99% of cases and should give you a super-smooth finish. Don’t forget to lightly sand between coats. Alternatively, the surfaces and sealed edges can be finished with one or two coats of paint. Various suggestions for sealing the cut ends of MDF panels. Since the laser actually burns rather than cuts, it’s no surprise that all the edges are charred. Nov 27, 2021 · First, use the procedure listed above to sand the MDF. Surface faces come from the factory sanded to 150 grit or better, essentially Feb 20, 2023 · How to paint MDF for a perfect finish! MDF is great for a lot of projects, but it isn't well known for its ability to take paint well. Here's how to simply, affordably, and effectively hide the ugly edges. Apr 11, 2000 · 2. Jan 24, 2022 · PaPaSteve (Steve) January 28, 2022, 2:53pm 13. Jul 15, 2002 · We've routed MDF for many years for cabinetry and moldings and the best solution we've found for the 'fuzz' is to glue size the edges with a mixture of titebond and water (50/50) Brushed on. It dries to the touch in about 15 minutes and will be completely dry in about 45 minutes. (Ultralite also works fine and makes book case installation etc. The blowtorch was used on the right side of the MDF edge. The MDF is porous and requires sealing, methods include using PVA filler, primers and a lot of sanding! A great alternative is MDf edging tape, known as Paintable Edging Tape , which provides an easy way for you to get a beautifully finished Nov 13, 2005 · The best solution for 1-1/2" painted (opaque lacquer) edges is either polished 1-1/2" MDF. Let's see what is the best way to paint MDF edges!Blog Post: https://www. 2. If you sand the round over, it is very difficult to make them even. Apply light, even pressure while sanding to avoid causing damage. From contributor R: Thanks guys. Waxed shellac is more commonly used for finishing wood because it’s easier to apply and provides a more consistent finish. May 19, 2021 · For this technique, compound to the edges (using your hands is fine). Peter millard does some videos on painting mdf, pretty much just multiple coats of paint sanded in between. The adjustable RPM provides you with full control of the sanding speed for optimum finishing results. This is a mixture of wood glue and water at about a 1 to 1 ratio that can be brushed on the MDF edges with a disposable paint brush. We use resin saturated paper. Each job can be a little different than the last. Apr 10, 2023 · The sanding will make the MDF more porous, but stain will not be absorbed deeply. MDF has a smooth surface but tends to have rough, porous edges. (Here, your trusty mask, goggles, and gloves come in again!). Once you’ve selected your shellac, it’s time to start applying it. This step is done prior to any finishing and will need to be lightly sanded after the mixture sets up. Practice on some scrap first. Start by sanding the MDF in a circular motion, until no more rough patches are visible. But plywood's layered edges don't pack the appeal of solid wood. Planing and profiling MDF edges. Apply a first layer of undercoat. click to enlarge. Nov 9, 2014 · When I try to paint the edges, the MDF appears to absorb the primer / paint like a sponge. When applied, the edge bander will machine a consistent 1mm or 2mm radius to every edge, and this detail will be the same on the first panel, as it will on the last. Try keeping the viscosity 23-24 seconds on a ford #4 cup. You can buy me a coffee here https://www. Dab paint into the detail and then brush out for a thin even coat. Speed and power tests are the first place to start. Take some PVA glue and thin by approximately 10% with water. Finishing. Veneer goes on the same way. Afterward he adds the last two strips of MDF and trims that flush, too. Cost: £0. Clamps and scrap the squeeze-out after an hour. Ensuring that you are wearing protective goggles and a mask, sand down the full MDF surface with a light key sandpaper (such as 120-grit). 245K views 5 years ago #DIY #MDF #GHTL. However, when a sealer or paint is applied the fibres will rise and need sanding again. The first step to prepare MDF for painting is to sand it. Also known as "European style," the stark-white cabinets can be found in homes and commercial buildings. What is the best method of preparing MDF cabinets for painting? Aug 7, 2014 · So, the sides (in fact the whole outside 'carcase' of the unit) was simply emulsioned using the same paint as their walls - matt emulsion will go straight on to MDF. After that, use a finer-grit sandpaper (220 – 320) and sand the surface in a back and Jul 6, 2007 · First method Plane and sand all raw edges of the MDF to 180 grite, this not only make the edges flat and smooth but will partly / sort of seal the edges (close up the fibbers) not forgetting to remove the arris. Then, use a brush or roller to apply to the surface. For a smooth finish, you need to sand the edges of the MDF down, but first, lightly sand the surface. When it comes to sanding the edges of MDF, be cautious, as they can be more delicate than flat surfaces. Whether you’re working on a woodworking project or simply looking to refine an old piece of furniture, this guide has you covered. The SandTech MF. Then prime the MDF. Once the primer is dry, begin the painting. 100mm, 2. Sealing the Edges of the MDF Board It does not matter if the boards have factory edges or are custom routed, they still need to be sealed. May 27, 2012 · L'ébénisterie Créole -School Of Traditional Woodworking. With patented Inert Coating technology for filling the edges of MDF or chipboard panels, it is able to create a perfectly smooth surface or recreate the grain effect, and improve Aug 8, 2022 · Super-stable plywood and medium-density fiberboard (MDF) simplify construction by freeing you from the concerns of using solid-wood panels that shrink and swell with the seasons. Foam-backed sanding pads work great on routed profiles. Assurance of compatibility of sealer, stain and lacquer should be obtained from the suppliers. Primer is designed to dry quickly to avoid soaking too much. May 18, 2023 · I have two recipes for smooth edges: one for “good-enough” edges and the other for edges that will get a high-gloss finish. Paint is left off plywood ends because boards to cover joints will mostly be held on with Powergrab, and very few nails-maybe three per board to ease sanding effort after it's up. One of the main advantages of MDF over other wood based sheet materials is the ease of shaping panels and moulding edges ready for finishing to a high appearance standard with minimum sanding and filling. When the oil has been absorbed, apply any wax based wooden floor treatment. The only 'issue' was that the panel edges (which were double-thickness for appearance) needed flattening down with 180 grit paper before a final coat. If you are painting MDF with detail - eg furniture - you will need to use a 1 or 2-inch brush to get a good finish. What's the secret? Mar 2, 2023 · MDF can be sanded conveniently with a hand sanding block or electric sander with 120-grit sandpaper just like you would do with real wood. 600mm working area. Aug 9, 2004 · Rather than priming the edges of MDF, you will find better results 'sizing' them. Visit h Jan 16, 2014 · To Paint MDF Edges and achieve a great result on your boards follow the step by step guide below. I applied the flame until the MDF was evenly scorched. Jun 15, 2018 · This was for one of my beaded board ceilings, with MDF boards to cover joints. I will be getting a drum sander, but I'm wondering what the best machine and/or technique for sanding edges is. ab dc uz hc rn fx jf cw gb mo