If there are high spots, you can sand them down with a belt sander. I assume the coarser the better. I really only use it when I need to remove a lot of material, whether that is a finish or if it is rough. You can then give it a light sanding with 60 just to knock down what is undesirable. Forgot the orbital unless you want A belt sander is the quickest and easiest method, but you will NEVER get perfect results. A belt sander is a woodworking tool designed to sand down or smooth wood to prepare it for finishing. Uneven subfloors cause buckling that can warp edges or kick up an end. Prepare the subfloor. If there are large depressions or other low spots, you can fill them with leveling compound. My belt sander sits motionless in it's case waiting for an opportunity to be used as an efficient interrogation device.....or to level out a few minor nuisance high spots in a sub floor (before my flooring sub shows up with his edger Yes, a Heavy Duty Sander can be used on subfloor. Re: Belt Sander Work For Sanding Plywood Floors? How to Level a Floor. 3) 30lb felt is 1/16" thick. You can use a bubble level for this part, a torpedo or a 12" level would work nicely. Don’t know yet. Re: how best to level subfloor hump Post by Shannon » Wed May 25, 2016 2:03 pm Most flooring manufactures recommend no more than 3/16" difference in 4' so if yours is worse than that you could sand or plane that hump down a little but you will have to either remove or set all of the nails deeper so you do not hit them. the "layers of overlapping very coarse sandpaper" angle grinder disks: I have used them on wood, and they work well for shaping (not so much for planing). If you have mat finish, you will get away with close to perfect, but if you have a gloss finish and you look at the top standing about 15 yards away at the right angle, with proper lighting, you will always see an uneven surface. Actually, if you go overboard and gouge out some of the subfloor, it’s not the end of the world. Sheet vinyl flooring provides a durable surface for high-traffic areas in your home. Is there a sander made to level the uneven OSB? When installing a hardwood floor, the homeowner may need to level the existing subfloor. You could damage the planer blades if they hit a nail. A new hardwood or laminate floor needs a level subfloor to prevent problems such as cracking and splitting from … From here, you should be able For prepping subfloor especially that which has a bunch of old 1/4" staples in it I have found that the best tool is a Hilti DCG500 and Dustless cup shroud attachment. Edge Sander – It runs a 7″ sanding disk. Because you don’t need to worry about scratches, you can use a coarse sand paper to get the job done quickly. After much online research I've come up with these options: 1. The KIESEL Servoplan S444 needed a diamond grinding stone and an angle grinder to remove the high spot. If they are small pieces of plywood, rent or buy a hand held belt sander. If your concrete subfloor was just poured, you’ll need to allow it to properly cure for a minimum of 60 days before your luxury vinyl flooring installation begins. Now understand that we are herein talking level as in a flat plane rather than level as it is related … I used a belt sander with 50 grit sandpaper to decrease the thickness of the 3/8in plywood in front of the doors. I marked this as the answer because it reflect the reality after my testing with various grits in the belt-sander, orbital sander and grinder. Those blades are a lot more expensive than sandpaper belts I think. Once I went through that task, I never missed a high spot again. The edger would be much quicker and do a better job than my belt sander does. How to Use a Belt Sander. I’m going to try a belt sander and maybe an orbital. 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