If a 4-ft. straightedge shows a 1/8-in. How can I sand down bumps in a dried ... - DoItYourself.com Either of these solutions will eliminate the smell and the bleach will also disinfect. Ok- depending on how uneven and how much square footage, and with all the "there's zero way a super pro job would do it this way: Once in an old building renovation we used paint. Do not sand vinyl flooring - it may contain asbestos. You can use a wire brush to clean them out. One great tool that works well to remove minor high spots is the use of a flooring edger. How to Install Pine Floors (DIY) | Family Handyman Remove molding and baseboard at the edges so you can get the plywood close to the walls. His crew puts water on the floor to find the high spots. How to Remove Pet Urine from Subfloor: Step-by-Step Guide ... Photo 1: Fill and sand the subfloor. Ditra Question [Archive] - Ceramic Tile Advice Forums ... You want the joist at the same height as the other ones. Prep your subfloor so that it is clean, dry and level within 3/16-inch change per 10 feet. Any voids under a hardwood floor are also likely to create squeaks you don't want to hear. Depending on the situation, you can either sand down areas of the subfloor that are too high, or install shims beneath the subfloor so that the entire floor is brought up to the same level. Subfloor : Gandswoodfloors 01-29-2013, 06:20 AM. You'll need to know how to level a floor: Just sand any high spots and fill the low spots with leveling compound. I had very good success using a method similar to your thought on placing shims over the joists except that I laid down a second subfloor over the shims and drove 6" ringshank spikes through the whole thing, then laid down hardwood over it. Subfloor should be flat and level within 3/16" per 10' radius. Use a self-leveler on low spots and / or sand high spots of wood or concrete. Can you put subfloor over concrete?PDF Flexible Lvt/Lvp Unidrop Installation Care and Maintenance Plane or sand high spots using a wood planer or hand sander. Long Straightedge Many contractors use a 6-foot level or accurate straightedge to help them locate high and low spots in a subfloor. Make sure to remove stray nails or staples. Tip: Do not try to sand down old vinyl flooring, as it may contain asbestos. Obviously, most such unevenness is at a joist, so you'll need to remove the nails first. Flattening wood subfloor question. 3. Can You/Should You Install Vinyl Plank Over ... - Ready To DIY If the subfloor is unlevel, you can fix low spots with a self-leveling product and sand or grind down high spots. When they replaced the subfloor they didn't have it level and . Good luck with your project, sounds like it'll be nice when it's finished. Depending on the situation, you can either sand down areas of the subfloor that are too high, or install shims beneath the subfloor so that the entire floor is brought up to the same level. Step 4: Level your floor by filling low spots with patching compound and a putty knife. 1. High Spots: Use a sander to deal with high spots. I and getting ready to install 3/4″ Oak Hardwood in my master bedroom, over a 3/4″ plywood subfloor. It shows a localized 5/8 to 3/4″ max low point when checking with an 8 foot level in the E/W . Continue installing sheets of plywood across the room, attaching them to the floor joists in the same way. ®. The easiest way to find out if your floor is out-of-plane is to use the time-honored marble method. #5 Not Using Underlayment. Plane down the joist and replace (put back) the subflooring. Tim, I had a similar problem in my house with the entire first floor,(approx. Use leveling compound in areas where the dip in the old flooring or subflooring is 1/4 inch or more. The most basic method is to take a piece of tar paper, fold it. Is there a quick, low-cost way to do this? After hemming and hawing for an hour, the . 1h. Check your subfloor to make sure it is level. Sand the entire floor. Sand high spots to eliminate the possibility of telegraphing. If you need to remove adhesive. Repairing undulations: Sand high spots and use a skim coat floor compound for low spots, surface prep product, like Henry's 547 Unipro universal patch and skim coat. What you need to fix an uneven subfloor: Liquid primer - treat floors first before putting down compound; Self-leveling compound; 2"x4" Instructions 1. If it was moisture leak that warped the sub floor, then you can cut out an area of subfloor and replace that portion with new sub floor. Instead, remove the pre-existing vinyl flooring entirely if it is not level. 3. Do not sand vinyl flooring - it may contain asbestos. It means you have to sand down high spots in the concrete or fill in low spots with a self-leveling compound. Sand was sometimes used underneath floating floors, never under a fastened down floor. In many cases this is logistically easier than . Repairing undulations: Sand high spots and use a skim coat floor compound for low spots, surface prep product, like Henry's 547 Unipro universal patch and skim coat. I had very good success using a method similar to your thought on placing shims over the joists except that I laid down a second subfloor over the shims and drove 6" ringshank spikes through the whole thing, then laid down hardwood over it. Steps to Clean the Subflooring: Start by thoroughly vacuuming or sweeping the particle board to remove any loose dust and dirt. Once it's dry, scrape any ridges and sand away any high spots with a pole sander (Photo 9) fitted with 100-grit sandpaper. • Any unevenness of more than 3/16 inch over a 10-foot span (5 mm over a length of 3 m) must be leveled . Repeat until all of the floor is gone. 2. A combination of grinding, sanding, and using a self leveling material will get your floor level for proper installation. In either case, the leveling process will be similar to what herein follows. Only use small amounts at a time to prevent quick drying before it is level. Manufacturers use particleboard because it is less expensive than plywood. If you are installing vinyl planks over a concrete subfloor, you first need to level or sand any deformities. When leveling floors made of wood, you'll need to sand down any high spots. 1) Sanding high spots on a wooden floor is crazy. I have some high spots on my OSB subfloor that after moving my 6ft level around I see it would be far better to remove or reduce the high spot rather then to put in a filler around it. Cut out and replace any damaged subfloor. Use builder's felt or shingles stapled to the floor to fill small low spots if you don't want to wait for leveling compound to dry. The holes have to be very clean.