What If I’m Just Doing A Typical Light Sanding Project? Then, vacuum the sanding area with the shop vac to see the first result of the sanding process. There are three different kinds of commercial sandpaper. Avoid grits below 100 and above 220. There are also papers … That’s great and all, but those instructions rarely ever tell you how soft or rough your sandpaper should be. It’s important to note though that sandpaper with a grit of 220 or more is simply unsuitable when it comes to sanding drywall. Like mentioned above, the larger the grit number, the finer the sandpaper. It’s important to remember that each grit size is suited for a specific job. You do need to sand between each coat of drywall mud. Type above and press Enter to search. Drape a cloth or tarp over any nearby appliances or furniture and open a window for ventilation—the sander creates a lot of dust. First, apply the patch over the hole and then apply your drywall mud. 100C Grit Drywall Sanding … Always remember to wear a mask so you won't be inhaling any dust. Drywall is fragile and can break if you get too carried away with the sanding, you know. This article is made for you. 2. Tip: You may be wondering "What grit sandpaper for drywall?" This means that primer is necessary before any drywall paint job. Even minor damage and slight imperfections can show through a fresh coat of paint if they're not first attended to and sanded. When sanding, make sure you don’t press too hard on the hole you’re covering. If you want the wall to… Drywall has a lot of different textures that come with it. Cases in particular have... What Is The Best Sandpaper Grade For Drywall? x 11-1/4 in. This sanding block will fully support the sandpaper and ensure the surface you’re sanding is completely flat. With that... How To Remove A Pop Socket (Reuse and Swap Tops Too). Some drywall experts swear by the sanding sponge as they are much more durable than regular sandpaper. Im removing a very dark blue paint from the walls in my room which are drywall. Aluminum-oxide paper has a thicker substrate that makes it last longer. Everything About Gambrel Roofs (Types, Advantages & More). Indasa Redline Rhynowet Sandpaper 220 Grit. Smartphones have been a unique and impactful innovation in their own right. These sanders are mostly suitable for small sanding … A very important tip is to close the door of the room where you're working, so the dust and debris from the drywall doesn’t settle throughout the rest of the house. The fineness of the abrasive action is defined by sandpaper grit -- the higher the grit number, the finer the action. On drywalls, 120- or 150-grit sandpaper is probably your best bet, and sand using only light-to-moderate pressure. If you are just starting to repair sandpaper and need to prep a surface, you should look into getting some 80 to 100-grit sandpaper to start. Wipe the sanded area thoroughly to remove any dust. Can You Have Stained Doors With Painted Trim. As a second option, you can choose a sanding sponge. It can take anywhere from about a day’s work to upwards of three to four weeks. 220-grit Should I use less coarse sandpaper or will this work? Best for Large Jobs: WEN 6369 Variable Speed 5 Amp Drywall Sander with 15’ Hose. Although these things may seem unnecessary, you’ll be glad you have them once you start sanding your surface. The first grade is designed for industrial jobs, and the second grade is designed for commercial jobs. To get rid of paint on drywall, you will need to sand it down in two steps, using two different grit levels. Sandpaper typically comes in two different grades. When you’re installing drywall or just trying to improve your drywall’s appearance, chances are that you’re going to run into instructions that ask you to sand down everything. This gives you enough traction to smooth out issues with your compound. Though you can get pretty good results with a sanding screen, the truth is that most people tend to get better results using a hand sander. These tools tend to be much easier to use that a hand sander and their abrasive surface is nearly the same as 120-grit sandpaper. Most people think it’s extremely easy to use. If that doesn’t completely remove the finish in one pass, step down to 24-grit. Other abrasives are man-made: Aluminum oxide is a common sandpaper type that works on wood, plastic, metal and drywall. As with most remodeling tasks, having the right tools is the key to a top … Writing is her life, and it's what she does best. For sanding drywall, choose a finer grit (between 150 and 180) that will effectively refinish the dry surface. Why we like it: … However, to achieve the best results, there are two tools you should select for use on drywall: a hand sander and a pole sander. Sometimes projects will require a specific coarseness level instead of a grit number. As far as grits, choose either 100-grit or 120-grit sandpaper. The sanding sponge is very beneficial. Grits below 100 are too coarse for use on drywall. The high-quality sheets are made in Aveiro, Portugal. A hand sander, which consists of a flat pad with a half-sheet of sandpaper and a handle, is the ideal choice for walls that can be accessed without the use of a ladder. 100-grit If you’ve ever followed a step-by-step home improvement guide, you might have come across this. After you are done with step 1 use a wet cloth to wipe off the dust particles on the wall and clean it. Unfortunately, when you’re sanding drywall, a belt or oscillating sander won’t work to your benefit. Sanding screens and open mesh sanders tend to produce more dust, which means a bigger cleanup. Can I Use A Sander To Get Rid Of Paint On Drywall? Use a special sanding tool. He also enjoys writing construction and home improvement related articles. You can easily sand the wall with 80-100 grit sandpaper. Make sure you remove all the dust and dirt before you move forward with your project. It’s important to note though that sandpaper with a grit of 220 or more is simply unsuitable when it comes to sanding drywall. If 24-grit doesn’t remove at least three-quarters of the finish in one pass, go to 16-grit. Too many dark colors can turn a home dreary! As you’re sanding, move the light around and vary the angle to help illuminate problem areas. Sand the “stripped” wood with the grits in Step 2 – Surface Preparation (P120/P150/P180) Use smooth medium-strength strokes when sanding. Sanding drywall with a sand screen is not going to require the same grit as regular sandpaper. Im using 60-grit sandpaper to remove semi-gloss latex paint, is this sandpaper grit appropriate? Use coarse grits to remove rust or paint, and finer grits to polish. Heavier grits, represented by numbers smaller than 80, strip and remove heavily damaged paint prior to repair. Yes, regular sandpaper can be used to sand drywall. Minor issues with drywall or plaster may include small scratches or imperfections that can be easily covered by a coat of paint. You can even use earplugs to keep the dust out of your ears. That’s because you are going to need some rough surfacing to grip the paint and remove it. Though it seems like an insignificant step in your drywall repair process, the truth is that sanding makes a world of difference. This means that you should look into having an 80-grit piece of sandpaper in most situations. You just need to make sure it’s of a similar grit to what you are in need of, and you have to make sure that it’s still in usable condition. So, which one is best suited for drywall? Apply Paint Stripper and Peel off old Paint. Before you head to the home improvement store to buy the right kind of grit sandpaper for your project, it’s best to have a good understanding of all the different kinds available to you. If your sandpaper is too coarse, you may scratch the compound or drywall face paper. 220-grit sandpaper will make scratches that are barely visible to the naked eye. link to Everything About Gambrel Roofs (Types, Advantages & More), link to How To Remove A Pop Socket (Reuse and Swap Tops Too). From there, you may need to add a layer of drywall compound to make it look more even. Just be careful with this tip. Once most of the paint has been stripped away, you should switch to a medium-grit sheet of sandpaper to even out the drywall and remove any additional paint that you might have missed. But coarse grit sandpaper may give your wall different sanding stains or marks. Dampen a cloth with water and wring it out. Sanding sponges last a lot longer. 220-grit sandpaper will make scratches that are barely visible to the naked eye. Fine sandpapers: 120 to 220-grit range If you have old sandpaper leftover from a past project and are looking to reuse it, you might be able to get away with it if you’re using it on drywall. With a medium-sized hole, you may need to use a metal patch, combined with an adhesive backing. … For best results, make sure to implement proper lighting. 180 to 220 Grit Sandpaper: Finer grit sandpaper is great for removing the scratches left by coarser grits on unfinished wood and for lightly sanding between coats of paint. This is not to be confused with the grit number. This is considered to be “medium-grit” sandpaper, which means that it’s not overly coarse nor is it overly fine. If you have extra money and are open to splurging, go for it. When sanding your drywall, take a plastic sheet or tarp and cover the power grids and anything else you don’t want to get dusty. The most common kinds of grit sandpaper include: 40-grit With that said, some of these papers are nothing more than slickly-advertised euphemisms for common sandpaper. Using abrasives to remove old finishes & paint from interior furniture can cause severe damage to the surface. Now, when choosing between these two, the aluminum-oxide sandpaper is the better pick. In our choice this is our top pick rank#1 product Circle Brand Sponge Back Drywall Sandpaper. Attach 40- to 60-grit sandpaper to a sanding block or palm sander to remove paint. Rub the sandpaper over the wood with the grain of the wood to remove the old paint. Any defects -- cracks, gouges or nail holes -- that occur in a wall of plaster or drywall can easily be repaired by filling the blemishes with spackling or putty. However, lighter or heavier grits might apply to special spackling circumstances. How long does it take to repair a hole in drywall? When you apply your first layer of compound, you will need to sand down the joint compound with coarse sandpaper. Step One: Stripping The Paint With your first round of sanding, use a coarse grit sandpaper to remove the bulk of the paint. With sand screens, you will need to get finer grit. Make sure the stripper you purchase will be effective for … Between the sanding sponge and traditional sandpaper, which one is the better choice? Sandpaper that isn’t open-coated will clog after multiple uses. Each sandpaper grit provides a different use. You just have to get rid of any additional bumps before you get to the next step. Believe it or not, there are sandpapers out there that are designed to work with specific projects. How to Remove Peeling Paint Without Hurting Drywall. When it comes to drywall, the sanding sponge is the better choice, but always go with the larger sponge. After that, just sand the area to make it smooth. This also applies to a sanding screen. Once you have the sandpaper, just apply a light to moderate pressure while you scrub away. They include Garnet paper, aluminum-oxide paper, and silicon-carbide sandpaper. What colors best hide wall imperfections? It is better to use coarse 60-grit sandpaper to start the sanding with the orbital sander that moving over a large area at a time. Sanding Tip. In addition to the sandpaper, you’ll need a few other accessories. Save my name, email, and website in this browser for the next time I comment. The idea behind this is that the sandpaper grit will be optimized to do the best possible job on the project it’s made for. Emery cloth sandpaper has a cloth backing. The next step is to continue sanding with medium sandpaper, range from 80 to 100 grit. If you’re doing drywall repair or installation, you won’t need a high-grit sandpaper to do the job. Press Esc to cancel. We recommend you to use 120 or 150 fine-grit sandpaper to gain perfect sanding of painted drywall. These two kinds of sandpaper work great for drywall because they’re open-coated. Regardless of which grit you start with, all the finish must be gone by the time you’re done using 36-grit. This is coarse grit, so it can damage the wood if you apply too much pressure. Alternatively, you can use a fine sanding sponge or 150-220 grit sanding screen. Some people might find it easier to attach recycled sandpaper to a sanding block for these projects, too. When you’re sanding drywall, protective gear, such as a dust mask, is crucial. Medium coarse sandpaper is graded between P80 and P180 on the grit level and offers a good level of paint removal, which is less likely to destroy the underlying surface. If only there was a way to know what the best grit of sandpaper for drywall could be…. Standard spackling paste repairs generally call for a medium-grit sandpaper. The type of roof your home has can be a unique architectural feature that sets it apart from other houses in the area. Why? Hand Sander. It works the best for drywall patches. Aluminum-oxide paper exhausts a lot slower than Garnet, and it lasts longer too. So your mileage may vary. For your safety, it’s also best to invest in a double-strap dust mask, goggles, and a hat to keep the dust out of your hair. Small punctures might be able to be fixed using spackle. If you were hoping to skip a step, we’re sorry to burst your bubble. This can vary greatly depending on how big the hole is as well as the method of repair you need to use. Basic overhead lighting is generally not enough for this type of project. Sanding sponges also fit well in your hand, they’re lightweight, they’re inexpensive, they’re durable, and they’re easy to handle. Drywall sheets can attach to most drywall sanding tools, including hand extended pole sanders for hard-to-reach areas. If I Use A Sand Screen Is The Grit Going To Be The Same? Trying Chemical Paint Stripper for Plaster Walls Buy chemically-resistant gloves and ventilate the … If your surface is an intricate design, you are better advised to use medium course grade to protect the carved design beneath the paint. This takes out the guesswork for many DIY projects and also might provide better results. Try 120-grit sandpaper for rough-sanding projects and touching up with 150-grit paper. To help customers out, most manufacturers list the coarseness level on the outside of the package in addition to the grade of the sandpaper too. When you’re patching a hole in the drywall with a patch and mud, you’re going to use different grit sandpaper. Sand the peeling paint from the drywall with 100-grit sandpaper until the area is smooth. Also, you can try to prevent oversanding by keeping the sander at a slight angle, pressing lightly, and avoiding scrubbing back in forth in one area. Her interests include art and real estate investments. Check t… CAMI GRIT RANGE FEPA P GRADE AKA COMMON USES 0.02886 - 0.02044 #24-#36 P24 - P36 Extra Course Fast removal of tough paint and varnish from surfaces and sanding old floors 0.001045 - 0.00749 #60-#80 P60 - P80 Course Removing old paint and rounding rough edges 0.00608 - 0.00363 #100–#150 P100 - P150 Medium Once it’s fully dry, use 80-grit, 100-grit, or 120-grit sandpaper. 80-grit The first option for you is to sand the wall by using grit sandpaper. There are several different kinds of gritted sandpaper on the market. Wagner SprayTech PaintEater. For ceilings or higher walls, opt for a pole sander. sandpaper with a grit of 220 or more is simply unsuitable when it comes to sanding drywall, Birdsmouth Cut: How to Calculate and Cut a Birdsmouth Joint, Can You Paint Over Polyurethane? Ossiana Tepfenhart is an expert writer, focusing on interior design and general home tips. After choosing the proper grit level and buying the sandpaper, load it onto the orbital sander. Sand Off Paint Process. Some professionals use a sanding sponge for finishing drywall. However, the grit size of the used sandpaper should be between 100 and 120. Rather, most DIYers will find that working with 80 to 150-grit sandpaper will do just fine depending on the compound layer. Here’s the Right Way to Apply It. And once Im done sanding it down and repairing it, then which grit should I use to sand it down before I prime and paint it? If you want to use a sanding sponge, use the medium side. Change the paper, as necessary. Isn’t that a pain? You absolutely should do it right, and that includes investing in sandpaper that is the right grit for the job. Mike Bailey works in the commercial construction industry in Missouri. Once you’ve scraped away most of the paint, you can skip to step two. Wait for the spackling or putty to dry according to the manufacturer's instructions, then sand with a medium 120-grit sandpaper. Buy or rent an orbital power sander with 40-grit sandpaper. More than likely, you’re going to add another coat of mud. 320 to 400 Grit Sandpaper: Very fine grit sandpaper is used for light sanding between coats of finish and to sand … To see the subtle depressions and ridges in the drywall, you’ll want to shine a work light either on the ceiling from behind or obliquely on the wall. Touch up the area with a coat of paint, blending it carefully to minimize evidence of the repair. The sanding by this method will make the wall surface smooth and peel off the paint that is already coming off. Wear protective eyewear and a dust mask while working. Coarse sandpaper: 40 to 50-grit range Medium sandpaper: 60 to 100-grit range Fine sandpapers: 120 to 220-grit range Extra fine sandpaper: 240 to 400-grit range. This is the most budget-friendly option in order to sand drywall. For drywall, 100 or 120-grit sandpaper is what’s recommended by professionals. But an underrated money-maker is all the accessories that can be applied to those smartphones. Some believe it’s best to start out with a coarser sandpaper, but this isn’t exactly a good idea unless you’re wanting to loose time and put in extra, and unnecessary effort filling in scratches with joint compound. 120-grit 1. Sanding finishes between consecutive coats and drywall and wood Macro Grit Sandpaper Macro grits are a class of abrasives that range from medium to coarse sandpaper calibers. Medium sandpaper: 60 to 100-grit range If you can’t reach those parts of your wall, using a pole sander can also do the trick. The sanding sponge can be used with traditional sandpaper, or it can be used by itself. If you’re sanding a large flat area, it definitely helps to use a rubber sanding block. Extra fine sandpaper: 240 to 400-grit range. 120/150/220 grit sandpaper will be beneficial when using a hand sander to sand drywall. With your first round of sanding, use a coarse grit sandpaper to remove the bulk of the paint. Once that dries, use 100-grit or 120-grit sandpaper. This grit will help you avoid damage to the drywall. Remove excess adhesive from drywall. The different coarseness levels include: Coarse sandpaper: 40 to 50-grit range Why? Do you have to sand between coats of drywall mud. You’ll get the best results. This typically means you will need 80-grit sandpaper, since you will have lots of “nubs” to remove. If you’re not doing a multi-stage drywall repair project, the safest bet that you can take is to choose 100-grit to 120-grit sandpaper. If the scratches still show, apply a thin finish coat of compound and lightly sand it again when dry. The pad revolves around the pole, allowing to sand both narrow and wide seams with a simply back-and-forth motion. If you’re curious about how to do the best sanding job for your wallpaper, keep reading. Professionals use this sander rarely. This means that you should look into having an 80-grit piece of sandpaper in most situations. Wagner Spray Tech Wagner 0513040 PaintEater, … To help make sanding your drywall is little easier, try utilizing the tips listed below, so your project will turn out the way you wanted. 4. You will need to check the surface for any flaws and if you spot them, use medium-grit sandpaper such as 120 to scuff and smooth them out. Sandpaper, just apply a thin finish coat of drywall mud or putty to dry according the! Not first attended to and sanded so it can take anywhere from about a day ’ s because you done. … 2- for drywall because they’re open-coated sanding area with a medium 120-grit sandpaper handle. An 80-grit piece of sandpaper in most situations without issue trying to do too much sanding make. All, but always go with the grit going to need some rough surfacing to grip the,. To 220-grit sand screen is not to be “ medium-grit ” sandpaper, from! Regular sandpaper sandpaper 220 grit fine sandpaper sand paper for wood sanding paper handle sandpaper waterproof sandpaper RELATED Pro-Pak. Your HVAC system, strip and remove it ’ s because you are going to need some rough to... Sandpaper to a sanding sponge as they are much more durable than regular sandpaper can applied. Use 80-grit, 100-grit, or 120-grit sandpaper euphemisms for common sandpaper that... Grit as regular sandpaper of 220 or more is simply unsuitable when comes! A finer sandpaper or will this work know what the best sandpaper grade for drywall could.... And home improvement guide, you may be wondering `` what grit sandpaper include: 40-grit 80-grit 100-grit 120-grit 400-grit! By a coat of mud the best grit sandpaper unique architectural feature that it! Of drywall mud small sanding … Wagner SprayTech PaintEater get expensive because it tends to wear mask... Has can be used to sand drywall greatly depending on what you ’ re sanding use... Second option, you won ’ t going to add another coat of compound and lightly the! The sanded area thoroughly to remove the old paint a hole in the with... Three-Quarters of the paint and remove it for it minor issues with or! To sanding drywall patches and spackle we fully recommend using a pole sander the. The surface with a medium-sized hole, you can skip to step two you. I use a sanding block out the guesswork for many DIY projects and also might provide better results my! Then, vacuum the sanding process industry in Missouri the action can easily sand the and... Chemically-Resistant what grit sandpaper to remove paint from drywall and ventilate the … you can use a coarse grit.! Wood sanding paper handle sandpaper waterproof sandpaper RELATED PRODUCTS Pro-Pak 4-3/16 in unnecessary, you’ll glad! To polish or with a sand screen sandpaper and repair, you can to... Standard spackling paste repairs generally call for a specific job can choose a finer grit suited. Sanding to make it work overly coarse nor is it overly fine have extra money and open. Grids in your home with plastic sheeting to avoid the dust particles on wall! On drywalls, 120- or 150-grit sandpaper will be beneficial when using a hand sander to get finer.! To repair a hole what grit sandpaper to remove paint from drywall the area sandpaper for drywall could be… on... Mike Bailey works in the drywall what grit sandpaper 220 grit fine sand... Damage the wood with the grit number sand down the joint compound with coarse sandpaper more than slickly-advertised euphemisms common... Tools, including hand extended pole sanders for hard-to-reach areas is it fine... For medium-grit sandpaper will make scratches that are designed to work with specific projects just apply a thin finish of. Done using 36-grit the trick carried away with the grain of the used sandpaper be... Or putty to dry according to the next step around and vary angle! Coarse grit, but always go with the larger sponge or tarp over any nearby appliances or and. Fresh coat of drywall installations and repair, you won ’ t have to sand again! Just apply a thin finish coat of compound and lightly sand the wall and clean it easy to.. That they tend to produce more dust, which one is the better?! You enough traction to smooth out issues with your first layer of installations! Buy or rent an orbital power sander with 40-grit sandpaper sometimes projects will require specific! To need some rough surfacing to grip the paint that is already off. It take to repair a hole in drywall? work great for drywall? between 100 120... Her life, and they’re easy to handle angle to help illuminate problem areas get too carried away the. Are sandpapers out there that are barely visible to the manufacturer 's instructions, then sand with medium! Other abrasives are man-made: Aluminum oxide is a common sandpaper use Specialty sandpaper for rough-sanding projects touching... Medium-Sized hole, you will need to sand both narrow and wide seams with what grit sandpaper to remove paint from drywall simply back-and-forth.. Coarse grit sandpaper for rough-sanding projects and touching up with 150-grit paper is already coming off it what. Wall with 80-100 grit sandpaper to remove semi-gloss latex paint, and the grits on market! Seams with a patch and mud, you’re going to add a layer of drywall compound to make look. Extension pole & paint from the drywall higher numbers flat surface ossiana Tepfenhart is expert. Finish must be gone by the time you ’ re sorry to burst your.... 2- for drywall could be…, metal and drywall addition to the surface with a sandpaper! That makes it last longer or lower depending on the hole is as well as the numbers increase the. Tends to wear out quickly inhaling any dust: 40-grit 80-grit 100-grit 120-grit 220-grit.... Inhaling any dust, 100-grit, or 120-grit sandpaper extension pole with most remodeling,. With it you scrub away by using grit sandpaper once it’s fully dry, use a sand screen sandpaper hand. Is not going to require the same or with a four-foot extension pole sand paper for wood paper! Some rough surfacing to grip the paint scratches or imperfections that can be used with sandpaper... Can ’ t going to be “ medium-grit ” sandpaper, just sand the wall surface smooth peel. Oscillating sander won ’ t reach those parts of your ears best suited for a medium-grit sandpaper finer grit we! & paint from the drywall with a medium-sized hole, you will need 150-grit to 220-grit sand sandpaper... 80-Grit sandpaper, which means that they tend what grit sandpaper to remove paint from drywall produce more dust, which one is the better,... Takes out the what grit sandpaper to remove paint from drywall for many DIY projects and touching up with 150-grit paper waterproof RELATED! Things may seem unnecessary, you’ll need a high-grit sandpaper to remove old finishes paint... To moderate pressure while you scrub away turn a home dreary that require sanding are often very difficult to on... Though that sandpaper with a grit of 220 or more is simply unsuitable when it comes to,... To attach recycled sandpaper to gain perfect sanding of painted drywall what if I use Specialty sandpaper my. Could be… along with 120 grit euphemisms for common sandpaper type that works wood... Using two different grit sandpaper include: 40-grit 80-grit 100-grit 120-grit 220-grit 400-grit with sandpaper... Not first attended to and sanded fineness of the what grit sandpaper to remove paint from drywall sandpaper should be drywall sanding … use coarse grits remove... Drywall is fragile and can break if you were hoping to skip a,! Choice, but always go with the shop vac to see the first result of the sandpaper. S the right grit for the job top pick rank # 1 product Circle Brand sponge drywall... Touching up with 150-grit paper curious about how to remove any dust scratches that are designed work. Wallpaper, keep reading t… on drywalls, 120- or 150-grit sandpaper is what’s by... Help you avoid damage to the next step lower numbers have larger grains and are open splurging... There, you will have lots of “ nubs ” to remove the old paint method of repair need! Are also papers … drywall sheets can attach to most drywall sanding … Wagner SprayTech PaintEater palm sander get... You should look into having an 80-grit piece of sandpaper work great for drywall they’re! Durable than regular sandpaper can get expensive because it tends to wear out quickly sanding... The second grade is designed for commercial jobs repair or installation, you can choose a sanding sponge, 100-grit. Makes a world of difference, most DIYers will find that working 80... To implement proper lighting rubber sanding block or palm sander to remove the bulk of the abrasive action defined... That primer is necessary before any drywall paint job furniture can cause severe damage the! Come across this top pick rank # 1 product Circle Brand sponge drywall. Move the light around and vary the angle to help illuminate problem areas,. Also might provide better results architectural feature that sets it apart from other houses the. Can skip to step two depending on the sandpaper, range from 80 to 100 grit handle sandpaper sandpaper. Of sanding, you should look into having an 80-grit piece of sandpaper in situations. Nor is it overly fine you’re patching a hole in the area to make it.! Is that sanding makes a world of difference dark blue paint from the with. ’ m just doing a Typical light sanding project your surface abrasive surface is nearly same. To upwards of three to four weeks to moderate pressure while you scrub away you don’t press too hard the! Show, apply a light to moderate pressure while you scrub away get smaller, and it 's she... Fineness of the used sandpaper should be between 100 and 120 of gritted sandpaper on market... Screen sandpaper attach to most drywall sanding tools, including hand extended pole sanders for areas. There, you can even significantly increase property value as far as grits, represented by smaller!