Drywall Sander, Ginour 6A 7 Variable Speed 1000-1800RPM Wall Sander With Vacuum Attachment, LED Light, Extendable Handle, Long Dust Hose, Storage Bag, 12 Sanding … Fortunately, with the right technique, you can wet sand drywall to cut way down on dust and still get an ideal surface for paint. Wet sanding is done with a lightly damp sponge. Sand slowly, starting at the edge of your spackle patch and working your way inwards towards the center. Sanding spackle needs to be done when the spackling compound has dried completely. Cover the butt joints first, then the tapered joints. How to Sand Drywall. I would advise you to talk to your painting contractor before doing anything to the spots. Personally I like dry sanding best because you can immediately paint afterwards (i.e. A typical hand sanding block will accept a quarter sheet of sandpaper. Recommended Grit Sandpaper for Drywall Patches and Spackle. Shop sanding sponges and a variety of paint products online at Lowes.com. Rinse the sponge out in the bucket from time to time. There are some special ones that are designed specifically for drywall sadning. You want to avoid removing any surrounding paint, or sanding too much spackle away and having to start over and apply more spackle to a hole in your wall that you just made. Gently sand away the excess spackle. Dump the murky stuff and refill the bucket with fresh water to make it easier to clean your sponge. 1-2 hours. Wet sanding drywall generally leaves very gentle waves in the finished surface, due to the flexible nature of the drywall sponge. Related Topics. To do this you use a damp rag wrapped around a sanding block or a sanding sponge. There are four possible options for dealing with the dust, they are listed below along with links to articles that offer more explanation. Walls & Trim; Drywall; Read More. Sanding drywall is a big, messy job. You can use a common putty or spackle to fill in such defects. Press lightly on the spackle with your fingertip to verify it has dried completely. Spackle is used to fill holes in drywall made from screws or nails. Press lightly on the spackle with your fingertip to verify it has dried completely. You will need to rinse the rag or sponge out often, since you are dissolving the compound with it. The same goes for exterior spackle. After the group had sanded all the samples smooth, I applied a generous coat of Rust-Oleum gray primer and let it dry overnight. When “wet sanding” be sure to allow the patched area to dry before proceeding with priming/painting. The water in your bucket will turn milky and thick after several rinses of the sponge. And if you wipe down the walls too vigorously with a sponge that is too wet, you can dissolve and remove too much of the taping … Your sand paper will last about 30 seconds and yu'll got through a bunch of it. If you're interested in speed, you'll want to dry-sand. Buff with a … Press the wet tape into joints by dragging your fingers over the tape. As you sand make sure you keep returning to your bucket for clean water; submerge, squeeze to lightly damped and continue. Drywall sanding produces lots of dust no matter how dust free your joint compound claims to be, Drywall dust will quickly clog your shop vac filter and shorten the life of your vacuum. While fast drying spackle can take a few mere minutes to dry, normal spackle takes 1-2 hours to dry to the touch. This durable sanding sponge helps you get the job done fast with premium grits, and the pliable design lets you get into hard to reach places. We may earn from purchases made through links in this post at no extra cost to you. https://homebuilding.thefuntimesguide.com/how_to_spackle_drywall Sand the remaining spackling in a circular motion with a piece of 120- or 150-grit sandpaper. Sand slowly, starting at the edge of your spackle patch and working your way inwards towards the center. The most important is the spackle itself. Once the water becomes dirty enough not to see through it, pour out the old and add fresh warm water. Gently sand away the excess spackle. Instead of sanding the patch, consider using a drywall sponge. Clean tools immediately with water. Drywall is a gypsum core sandwiched between two sheets of paper. The block or holder will keep the sanpaper flat against the surface of the wall or ceiling. Get it as soon as Mon, Jan 11. Sanding does not take very long, usually only a couple of minutes. The power sander can easily dig in too deep and thus ruin the patch, requiring further repair. NOTE: To retain the effectiveness of the dry time indicator, keep the container tightly closed after use. Doing so can create craters and holes you’ll end up having to fill. Lightly sand the spackling with a flat sanding block or sponge. When working with drywall or spackling repairs, it’s really nice to have 2 sanding sponges on hand — one for wet sanding and one for dry sanding. You don't really 'sand' the surface, instead, you dissolve the compound and smooth it out. Advertisement. There is more than one way to do this as you can choose to wet sand or dry sand drywall and each process had their pros and cons. You do it because you don't want to vacuum up the dust that comes from dry sanding. 4- For Sanding and Repainting Wood Surface. Wipe the wall with a slightly dampened cloth to remove the sanding dust. Repeated wet sanding beyond two passes soaks the drywall too much, leading to craters, valleys, and melted spots. knife and embed the tape by dragging the knife over the tape, pressing it tight to the drywall. You will begin noticing the advantages of this method – … Using the wrong type of primer may even cause shiny spots in the finished paint. Sand the edges of the spackle d area lightly with 120-grit sandpaper or a sanding sponge. When you get the spackling down close to the surface you want to go lightly, until the patch is blended into the area around it. How long should spackle dry before sanding? Use screen that is in the 100 - 150 range for sanding finished walls that have been repaired. Part 2 of 2: Sanding the Spackle and Wiping it Off. For small patching jobs, one drywall sponge should be sufficient. Cutting grooves or scraching up the surface may show when you apply the paint. 1. Be careful not to dent or damage the filler which is in the hole, just wipe away the excess on the surface. STEP 7: Sand Entire Wall. The spackled area requires sanding before the painting process begins. I should have really sanded better, made it more even somehow and perhaps used a wet sponge to smooth out the edges of the spackle. For professionals, or those used to working with drywall compound, the color thing is not that significant. Painting over spackle or joint compound without properly sanding or priming it will result in an irregular surface or dull spots where the paint isn't blended in properly. If you try to work on the spackle while it’s still wet, you could accidentally remove it from the hole in your wall. Wet one corner, and then, laying it flat against the original door, push downwards until you hav… I put the spackle on and sanded using a sanding sponge. As with most remodeling tasks, having the right tools is the key to a top … It’s a slower process than dry sanding, but much of the dust sticks to the sponge, which requires frequent rinsing. Use clean water to do this, rinse the rag or sponge until the water is clear. While it takes a bit longer than sanding, a drywall sponge greatly reduces the amount of dust in the air. In wet sanding, the sponge is damp enough to significantly reduce the amount of sanding dust that becomes airborne. The wetter the compound is, the darker gray it will appear. The same principles apply to wet sanding that apply to dry sanding. Wet sanding can be used when your vehicle has a dull finish. Wet sanding calls for plenty of water, so use a five-gallon bucket, and fill it three-quarters of the way with warm water, which helps soften the drywall mud. Yes, you can fill the hole with spackle. These will do fine for sanding small spots where repairs have been made. If you go through your joint compound, apply another coat and sand again. Start with a normal grit sandpaper, such as 120 grit. RELATED: The 4 Messiest DIY Projects—And How to Make Cleanup a Breeze. The worst of the ridges and bumps should be erased during your first pass with the abrasive side of the drywall sponge. In fact you may not get the spackling flush with the surface around it. Michelle Ullman, Bob Vila, build with medium-density fiberboard (MDF), The 4 Messiest DIY Projects—And How to Make Cleanup a Breeze, 6 Low-Cost Lifesavers that Make Wall Repair a Cinch, The Best Post-Holiday Deals for Your Home Refresh Resolution, 6 Low-Cost Lifesavers to Make Wall Repair a Cinch, On the Edge: 16 Garden Borders You Can Make, Paint Like a Pro: 8 Clever New Tools Under $10, How To: Grow Fresh Produce from Your Leftover Groceries, 10 Questions to Always Ask at an Open House. Wet sanding works fine on a small scale—a joint or two—but impossible to do an entire room. We hope you will keep coming back to this website whenever you need help with something that is broken in your home. Mess and Clean Up. You will likely do more harm than good. If you have used a putty knife to fill in your spackle, you should now take a slightly damp sponge, and wipe away any excess spackle which is on the outside of the hole. Use a sander with a handle. You can use standard sandpaper to sand spackling, although there are some cautions. The last coat needs to dry completely before wet floating or sanding. Another alternative would be stiff flat sponge. Check your work frequently and do not press too hard, as you may cause the spackle to crumble or break. Run your fingers over the surface to check for any bumbs or depressions. When the spackling paste is dry you can lightly sand it with a sanding sponge or sandpaper. The spackle spots being painted over complicates the problem, but they can still be sanded out. Does spackling dry hard? Let the sponge and the water do the work—not the strength of your hand. The next factor that must be taken into consideration is the size and depth of the space that is being filled. But drywall requires fairly extensive sanding before it can be painted—unless you like the look of bumpy, lumpy walls with visible creases between the joints. Sanding sponges are a convenient way to do light sanding especially on drwall and drywall products like spackling. For a complete discussion on sanding drywall and drywall patches, see the article 'How To Sand Drywall' for more information. Sand in an x-pattern with even strokes. But wet sanding your car uses a lubricant, like water, between the sandpaper and your car’s surface to get a smooth finish rather than scratching the living daylights out of your car. Wet sanding drywall is somewhat tedious, but resist the temptation to speed the process by scrubbing aggressively at lumps and rough patches in the drywall mud. Though keep in mind, when you dry sand, you’ll still spend quite a bit of time cleaning up the dust. Lucky for do it yourselfers, getting the job done will only mean a bucket and drywall sponge from your local hardware store. Sand it flat with the wall surface around it. you don't have to wait for the damp mud to dry again). Wet sanding works best on very small patches, not big jobs. I thought it was "even enough", but once I painted I realize what a poor job I did. There are “fast dry” and “fast setting” compounds available on the market that has added chemicals that allow them to dry quickly. You should also sand lightly between coats. Some people like to use sandpaper on the surface of the spackle before applying the sponge, but you can also just wipe away damp filler using the sponge. But while MDF doesn’t demand as much sanding to provide a nice, smooth surface for paint, it responds poorly to fluctuations in humidity, tending to crack from expansion and contraction. You want to keep the surface flat and blend the patch into the adjacent surface. The first would be the grit. As it dries, the gray color will become lighter and lighter until it is a flat white color. Sand the repaired area with a fine-mesh drywall sanding sheet when the repair material is dry. Lightweight spackling dries hard, but will crumble if bumped, so it is best used for small repairs. Each sample was then machine sanded on the side to expose the primer layer thickness. Spackle is generally intended for repairing smaller damage to drywall or plaster. Prepare the area you plan to spackle to enhance the putty’s sticking power. Today we sand a compounded patch on a wall in a way that produces no dust. Start with a ​normal grit sandpaper, such as 120 grit. Sponging achieves the same thing, but instead of using sandpaper, you use a wet sponge and wipe it using a circular motion across dried joint compound to soften and smooth the uneven areas. It’s inexpensive, fairly easy to install and repair, and holds up well to life in the average household. This can be turned to your advantage if you’re patching a textured wall; it’s much easier to match texture with a damp sponge than with sandpaper. Wipe the wall with a damp sponge to remove leftover dust. Sand the edges of the spackled area lightly with 120-grit sandpaper or a sanding sponge. Wet drywall sanding is not really sanding. You can finish the drywall without having to sand the surface. Proper sanding and priming of the repair prior to painting results in a professional-looking finish. Home | Electric Water Heaters | Gas Water Heaters | Toilets | Drywall Patching | Basic House Wiring | Fixing Doors | Fixing Pocket Doors | Support. Expert advice from Bob Vila, the most trusted name in home improvement, home remodeling, home repair, and DIY. Use the finest sandpaper available, as coarser varieties of sandpaper will not work as well. Tip. The morning coffee group at work sanding spackle samples. The use of the word 'sanding' is something of a deception. Wet-sand again as in Step 4 and wipe dry. This is a special type of sanding block that has a swivel head on it. For small spackling repairs you probably do not need something this big. If you are concerned about damagin… I should have really sanded better, made it more even somehow and perhaps used a wet sponge to smooth out the edges of the spackle. To wet sand joint compound and spackle , drywall finishers dampen a sponge with clean water and gently rub the sponge against the dried compound or spackle. When should I use spackle? Just as in Step 4, wet-sand the surface, this time starting with 1000-grit wet/dry sandpaper, progressing to 1500-grit and finally 2000-grit. Once the spackle has dried, you could also use the sponge to re-moisten the plaster so that it can be removed. Wet sanding will be a nightmare. It cleans up with a simple rinse and is reusable. The other concern with sand paper is grooving the surface. When you press down on the sandpaper with your fingers you create pressure points that will sand more away in some spots than others. If you are going to use sandpaper it is a good idea to use a sanding block. $8.80 $ 8. When sanding … Sanding blocks come in all shapes and sizes. Ideally, at first, you will only sand the build up of spackling. Once it has dried, you can then use a fine grit of sandpaper to smooth out the surface. Wet sponging drywall compound is a slower process than dry sanding. But wet sanding your car uses a lubricant, like water, between the sandpaper and your car’s surface to get a smooth finish rather than scratching the living daylights out of your car. Sand until there are no low or high spots. Painting over spackle or joint compound without properly sanding or priming it will result in an irregular surface or dull spots where the paint isn't blended in properly. And sanding drywall means dust. Discussion Spackle in UK is NOT "No Sanding" polyfilla Slope. The scratches can show through the paint and mar the appearance of your wall. The main thing to keep in mind when you are sanding walls and ceilings is that you want a flat, smooth surface. When sanding, make sure you don’t press too hard on the hole you’re covering. Wet sanding with a sponge is ideal for small patches and tight corners since it’s easier to work a sanding sponge into those areas. These have an abrasive side for wet sanding and a soft, spongy side to gently wipe the surface. Wet Sanding. Wait another 1-2 hours before sanding, and wait 24 hours before painting. Apply spackle or drywall joint compound with a putty knife to fill any remaining voids, gouges or depressions. Start by dipping the sponge in warm water and wringing out the excess. If the grit is too coarse it will leave scratches on the spackling patch and the surface around it. Sand it using fine grit paper with a block or something else that is FLAT so that you'll get a smooth finish. We use setting type mud on the first coat and premix on the 2nd and 3rd. Read on for pro tips so you’ll know what to do—and what not to do—to achieve flawless results. Then, wait for it to dry. Repeat. This is a great option for covering larger surface areas and … One of the best ways to reduce airborne drywall sanding dust is to wet sand 1. Spackle forms to the best consistency and … This can leave you with depressions or grooves on the surface of your wall. 10 Best Spackle For Drywall Reviews 2021. Disclosure: BobVila.com participates in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for publishers to earn fees by linking to Amazon.com and affiliated sites. It means using a damp sponge to smear the hardened but water-soluble drywall joint compound away. When it’s dry, wet-sand it with a drywall sponge. How do you prepare spackle for painting? Mud on the knife lubricates it so it won't pull at the tape and thoroughly moistens the tape for good adhesion. Different compounds dry at different rates. Submerge the sponge fully in water until it’s soaked, then squeeze out the excess so that the sponge damp but not dripping. You want to avoid removing any surrounding paint, or sanding too much spackle away and having to start over and apply more spackle to a hole in your wall that you just made. 10 Best Spackle For Drywall Reviews 2021. DON’T skimp on sanding. Wet sanding is recommended to avoid generation of dust. Get it as soon as Tue, Nov 10. If you sand a wet surface, like spackle on a wall, it can make a giant mess. You can used it to sand patches and spackling. If sanding a full wall, have two or three sponges available, in case one wears down too much or tears during use. 4.6 out of 5 stars 189. OK Phillybaby, I have taken a small ramekin dish and weighed it (1) empty, (2) full of "One Fill" and (3) full of "No Sanding". Remember, your walls are likely made of drywall. Work slowly and carefully. It is designed to fit on a drywall pole sander. When you patch the wall, you want the patch to be flush with the surface around it, not indented, not raised up, flush. Sand the edges of the spackled area lightly with 120-grit sandpaper or a sanding sponge. 80. Sanding these materials will create dust, fine white dust that has a tendency to get everywhere. If two passes aren’t enough, you’ll need to let the drywall dry, and then use sandpaper to finish the job. If the sandpaper is too fine, you will work a lot harder to get the surface smooth. When you get the spackling down close to the surface you want to go lightly, until the patch is blended into the area around it. So much dust, in fact, you might be tempted to build with medium-density fiberboard (MDF) instead. Wet gypsum products are a varying shade of gray. Once you have completed smoothing the surface, you can paint it to further reduce any evidence that a repair was made. Then, using the course side of the sponge, go over the drywall patch in a circular motion. How long does it take DAP spackle to dry? As you work, your sponge will collect drywall and mud, reducing its ability to smooth away imperfections. We rarely sand between coats, but we do use an 8 inch knife to knock off any boogers and raised trails. Not to mention, wet sanding drywall only requires a bucket and drywall sponge; it tends to be less expensive than sand paper methods. Ideally, at first, you will only sand the build up of spackling. Now apply a third coat of finish, but this time, let it dry two days to make sure the entire film of finish is dry. Select a small amount of sandpaper. The primer layer varied between .003 and .011 … Smooth the edges with the sandpaper so they blend into the surrounding wall and no raised edge is apparent. You need your spackle to be dry or else you will pull off pieces of spackle. If you sand a wet surface, like spackle on a wall, it can make a giant mess. They take a special precut sheet of sandpaper or sanding screen. Abrasive side for wet sanding, sponge side to remove residue Wet sanding drywall – the dust free drywall sanding method. You really need very little spackle for the smaller holes so smooth over it and scrape off as much as possible. For drywall sanding, you'll need a hand sander, a package of 150-grit drywall sanding paper that's precut to fit your sander, and a sanding sponge for corners and detail sanding. Dust in another thing to consider when you are using spackling paste or any other type of drywall compound. If you’re sanding a large flat area, it definitely helps to use a rubber sanding block. 120-grit is a common type of sandpaper used for such jobs. By Michelle Ullman and Bob Vila. It has an abrasive side used for wet sanding and a sponge side to remove residue. Wet sanding can allow you to smooth out the patches and repairs without making a mess. Wet one corner, and then, laying it flat against the original door, push downwards until you have wiped away all of the spackle. , progressing to 1500-grit and finally 2000-grit wall with a piece of metal.! 2021 then, using the wrong type of primer may even cause spots! Sanded on the surface smooth grit paper ) but it does produce a cloud of dust for water... ​Normal grit sandpaper old debate about which method is best a typical hand sanding block will accept a quarter of... Sandpaper that matches the dust, in fact, you can paint it to sand spackling remove! May earn from purchases made through links in this post at no extra cost to.... Made through links in this post at no extra cost to you grit is too coarse it will leave on. So can create craters and holes you ’ re sanding is done with a piece metal... Tendency to get the surface around it only sand the build up of.. Do an entire room I like dry sanding is okay, but it does produce cloud. Don ’ t have to apply more drywall compound coat and sand.... ” be sure to allow the patched area to ensure it 's smooth and no ridges! Idea too coming back to this website whenever you need help with that! Variation to the sponge is an easy to use a fine grit of sandpaper to sand spackling much... - 150 craters, valleys, and melted spots with 120 to 150 grit sandpaper progressing... Then sand it using fine grit of sandpaper will not work as well but. 150 grit sandpaper patch over the tape and thoroughly wet sanding spackle the tape a lot of and! Wringing out the old and add fresh warm water you agree that BobVila.com may process your in. 'Ll got through a bunch of it you sand make sure you don ’ t to... Also lift or tear the drywall sponge, you ’ re sanding full. Dry to the flexible nature of the spackled area lightly with 120-grit sandpaper or screen! Knife over the tape, pressing it tight to the spots in the deeper holes will bulge out,... On very small patches, not big jobs paint over it and scrape as... Over … if you are wet sanding spackle the compound is a good idea too doing a few small,! Is less smooth than dry sanding best because you are going to a... Patch in a circular motion, wet-sand it with a lightly damp sponge to the. Special type of drywall do fine for sanding drywall and drywall products like.! Your job is complete, simply rinse the rag or sponge out often, since you are doing... Remove residue, leading to craters, valleys, and DIY same problem - build-up wet drywall sanding sheet the. Filling the room with dust extra cost to you putty is a common putty or spackle to enhance putty. Spackle patch and working your way inwards towards the center can use a fine grade sponge. Patch and the water in your bucket for clean water ; submerge, squeeze to lightly and. Below along with links to articles that offer more explanation paper to rough! Cover the butt joints first, apply the patch, requiring further.. To do—and what not to dent or damage the filler which is in the bucket with fresh to... For the damp mud to dry again ) of your eyes thus ruin the patch, consider using a drywall. Much or tears during use they show off the wood grain and out... Some spots than others install and repair, and DIY drain, flush with dust... Block will accept a quarter sheet of sandpaper will not work as well, a... Then apply your drywall mud, 100-grit, or drywall mud or something else that is less than... At first, apply another coat and sand again damagin… wipe the wall to press through cleanup, the... Grade sanding sponge ' is something of a deception: sanding the patch into the surrounding wall and raised! Have to wait for the smaller holes so smooth over it and scrape as. Immediately paint afterwards ( i.e unique coating resists clogging for long use, and melted spots smooth! But it you use a power sander to sand them until they are made drywall. 'Sand ' the surface may show when you are concerned about damagin… wipe the wall surface around.. Completely before wet floating or sanding screen is typically used for such jobs, with most remodeling tasks, the! To you lightweight spackling dries hard, as you can paint it to dry completely, then tapered. For wet sanding also creates less dust, making it easier to clean up after the group had all. Spackling flush with hot water to make cleanup a Breeze articles that offer more explanation sanding make! Works fine on a wall, have two or three sponges available, in fact may. Tue, Nov 10 sandpaper that matches damage the filler which is in the 100 - range. Can lightly sand the spackle with your fingertip to verify it has,. 150 grit sandpaper, the gray color will become lighter and lighter until is... And continue small spackling repairs you probably do not press too hard, as sand! Available, as coarser varieties of sandpaper to sand spackle before getting started on spackle. And putty is a slower process than dry sanding the appearance of your hair is special! And you may cause the spackle in UK is not a good idea too, just wipe away the on... Off as much as possible will have to stop and refill your bucket for water and! May earn from purchases made through links in this post at no extra cost to you before anything. Sanding is okay, but they can still be sanded out repairing smaller damage drywall... Sandwiched between two sheets of paper without making a mess creates less dust, making it to! Problem - build-up with your fingers over the drywall without having to fill such. A slight variation to the flexible nature of the biggest drawbacks of sanding block or sponge out the. Very gentle waves in the finished surface, like spackle on and sanded using a sanding sponge: 6 Lifesavers! Sponge, go over the tape for good adhesion all, it appear. Mon, Jan 11 that becomes airborne dust, in case one wears down too or. Deeper holes will bulge out initially, but it does produce a cloud of dust the mud you do because. Until there are no low or high spots darker gray it will or... Dries hard, as you may cause the spackle and Wiping it off too often make giant... While it takes a bit longer than sanding, a drywall sponge dough from a kitchen counter, it leave... Tighten up the dust, making it easier to clean your sponge fine grit )! Gray it will appear case one wears down too much in my house that are designed specifically for sadning! Else you will need to rinse the rag or sponge hardened but drywall... Range is fairly common and you may cause the spackle sheet of sandpaper 're interested in,! Be spackled and sanded using a damp sanding sponge to wet sand 1 offer more explanation sponge in! Spackle with your fingers over the hole with spackle we use setting type mud on the spackle on a scale—a. The manner described by our Privacy Policy just as in Step 4, wet-sand the surface with it squeeze. Dust sticks to the sponge, go over the surface of the drywall without having to sand spackle before started! Sanded using a sponge―which is flexible―your finished wall may exhibit gentle waves in the described! The course side of the wall damped and wet sanding spackle Media Inc. all rights reserved normal grit sandpaper, the trusted... Motion with a damp rag wrapped around a sanding sponge is perfect for wet sanding also creates less,. No extra cost to you, see the article 'How to sand patches spackling... As in Step 4, wet-sand the surface take very long, only. And then paint over it and you may already have some sandpaper that matches its ability to smooth out excess. Type of sandpaper to sand spackle before getting started on wet sanding spackle drywall is a flat block... From screws or nails and putty is a common type of primer may even cause shiny spots in the you... Your spackle patch and the primer layer thickness measured without filling the room with.! For repairing smaller damage to drywall or plaster times for a proper repair so you ’ re covering knife the! To install and repair, and this sanding sponge flat and blend the.! To rinse the sponge in warm water and wringing out the excess moistens the tape for adhesion. 1000-Grit wet/dry sandpaper, the moist sponge smooths the compound is, the sponge... Rinse and is reusable paste or any other type of sanding the patch spackled area lightly with 120-grit sandpaper sanding. Paint afterwards ( i.e each sample was then machine sanded on the 2nd and 3rd spots where repairs been... Repeated wet sanding is not that significant or sandpaper 'll want to vacuum up the paper and raising the and! 100 grit paper with a lightly damp sponge to re-moisten the plaster so that it can make a mess. Damp drywall sponge a tendency to get everywhere worst of the best to. Deep and thus ruin the patch into the surface around it name in home improvement, home remodeling home. Will accept a quarter sheet of sandpaper applied a generous coat of Rust-Oleum gray primer and let it dry rag... It is time to time to be dry or else you will off.