This is an intensive process that strips everything from the floor by grinding it down to the natural wood underneath all that shine. If the floor is in bad shape, you will probably want to start with a 30 or 24-grit cut for the first test cut.
When you sand your hardwood floors, you use coarse sanding equipment to remove all of the finish and stain from your floors as well as smooth out the wood underneath those layers of stain and sealer. The drum spins around and the sandpaper grinds down the floor. The only way to spot sand is to tape off and entire square area wall to wall on a seam line or tape out individual boards in the affected area. In this case, you will want to start your sanding job with a 36 grit paper to take off the top layer of stain, paint and wax, etc. The by far biggest mistake I see is not using the right grit paper. Start with a 40-grit cut and see if the section of the floor is completely bare and flat after your pass. The reason drum sanders are recommended is because they work quickly. 16 grit: Use as the starting grit for floors with shellac finishes, single layers of paint, or some very hard floors, like maple. Can i redo my floor with 36 grit? swirl marks) in the wood, or if the finish has worn down to the wood in certain areas. Below you’ll find a price guide for wooden floor sanding, repairs and surface finishing with either an oil, wax or lacquer. Stop worrying. With the room prepped, you’re ready to sand. For the smoothest finish use superfine sandpaper, 200- to 400-grit or higher. Your big machine will leave a grit line behind, which is definitely something you want to avoid. , How to Pick the Right Grit Sequence for a Hardwood Floor. Wax Removal – Any wax is scraped off the floor to get it ready for sanding, which costs $0.75–$4 /sq. Because the affected area is so small – could I do the sanding by hand? From here, you will want to sand the floor with a 60 grit paper, a 100 grit paper and possibly a 120 grit to get a really nice, smooth finish. 12 grit: This is one of the coarsest grits available. This should usually be the starting grit for a hardwood floor with heavy adhesive (e.g. How to Sand Main Floor. We are considering using a sequenced sanding process to remove the stain followed by a two- part bleaching process and then a finishing lacquer. brands/products/machines used. Use a random-orbit sander for flat floors. swirl marks) in the wood, or if the finish has worn down to the wood in certain areas. Hi, I'm planning on renting a sander (floor and edge) and sanding the floorboard of my new victorian house. From here, you will want to sand the floor with a 60 grit paper, a 100 grit paper and possibly a 120 grit to get a really nice, smooth finish. With my hardwood floor, there are numerous scratches but none that are really deep. Remember to sweep and clean the floor before you start sanding AND in between each grit. We apologise. It is key to replace the paper often, as you will find that it gets worn out quite quickly and will become ineffective at delivering a nice, even sanding. This is usually the final grit for most standard hardwood floors. Also, like sanding a concrete floor, it is best to start with an area in a corner or near a wall. Any suggestions? 100 grit gave smooth finishing to the floor. For example, if you have a really old floor or one that is in bad condition, you may need to start with an extremely coarse sandpaper. When shopping for sand paper, it would be wise to pick up large quantities of the 36, 60, and 100 grit paper. 12-16-20-24: very coarse You will notice that you typically need more sheets of coarse paper. How do you choose the correct sanding sequence? All pictures of floors/floor sanding and restoration are our own work. I then moved down to 20 and have gone over the floor about 4 times. If it is, that means that you can sand the floor with the 40-60-100 sequence. Registered Address: 30 New Road, London, East Sussex, BN1 1BN | Trading Address: Unit 19, Hove Enterprise Centre, Basin Road North, Hove, BN41 1UY | UK, Company Reg No: 04569296 Registered in England and Wales | VAT No: 824626722 | Sitemap | Privacy Policy | Terms & Conditions, Local Partner: GJP Flooring | GJP Carpet Cleaning | CMitten Plumbing & Heating | GJP Underfloor Heating London | GJP Underfloor Heating Sussex. Can take out the scratch from 120-grit or 100-grit sandpaper if necessary. For instance, if the floor is in a bad state or old you may need to start with a coarser sandpaper to sand down to the original floor. If the floor is in good shape, start with the most common sequence, which is 40-60-100. Make sure to do this in an inconspicuous location. 80 grit: Takes out the scratch from 60-grit sandpaper. A floor edger is essentially a powerful, super-sized orbital hand sander that allows you to sand next to baseboards and walls. With a little work, you can find a floor-sanding company that delivers what marketers call “dustless” service. Hello. Normally the progression begins with the least aggressive or highest grit to achieve flat/finish free floors then progress from there. Once you have everything prepared, you will need to mix the mortar. Next time you’re unsure which grit sequence to choose for a hardwood floor, keep these tips in mind and you’ll be well on your way to beautiful results! You can certainly re-sand with a 36grd. So countersink all nails by at least 1/8 in. 50-60: medium hiring a professional wood floor sanding company, What to Consider Before Selecting a New Floor, Wood Flooring – Types, Styles, Benefits and Disadvantages, Protecting a Sanded Floor – Magnificent Oriental Rugs, How To Choose The Perfect Wooden Floor For Your Kitchen. 36 grit: A good starting grit for newly installed floors or floors without finish but have a lot of over wood. Floors that are cupped and wavy require a drum sander. The cost of any project will vary and depends on the condition of the floor, how many rooms there are and how much preparation work is required. Most operators perform sanding using the dry method, while the final polishing is done on a wet floor. When it hits a nail, you'll hear it. Then we would hand sand the butt ends of the floor to blend the edged area into … Load the machine with coarse, 40-grit sandpaper. The grade, or grit, of sandpaper is based on the number of sand granules per square inch of paper. Most hardware stores will let you return un-used sandpaper so don’t worry too much about that. Of course, there is always the option of hiring a professional wood floor sanding company that would take care of all these decisions for you and make life much easier. When I was a sanding pro, we would sand and edge to 120 for a stain grade floor. If the floor is old, very hard, or has residual finish, it can be a bit trickier to determine the right sequence. Having said that, our kitchen floor looked absolutely awful, but after replacing a few of the rotten floorboards and giving everything a sand, it’s act… There is still stain showing through and is splotchy. Start the sander drum with the drum of the floor, walk forward and ease the drum onto the floor. Thanks for reading. You’ll do this several times—once for each grit of sandpaper you’re using. I sanded my whole floor with a starting grit of 80. Start with 36-grit sandpaper for a floor that hasn't been sanded in a long time or that has a lot of heavy finish on it. We offer an exceptional floor sanding service with unparalleled expertise for every project we undertake. Floors that have been painted may even require you to go tougher and use 24 or 16-grit paper. A 20 grade abrasive is very aggressive and should remove any normal penetrating stain. It would be nice to know that if he gets one, he can also get the right grits. The higher the number, the finer the grade.
This is usually the final grit for maple, birch, or other particularly hard woods, and for any floor that you would like to stain. 120-150: extra fine. This grit should remove all over wood and make the floor flat. Thanks for your information. Furthermore, this covers all commercial and domestic property in our region, including London, Brighton, Sussex, Essex and Surrey. Meeting so many different floor sanding teams, I have had the opportunity to learn many different tips and techniques for floor sanding. This is due to the fact that the coarse paper is taking on the tough job of removing the old stain and is really doing the bulk of the sanding work. Lower-numbered grades denote coarser sandpaper. Coloring – A lot more sanding is required to get the wood to a level where a lighter stain can be applied, as you have to sand past the existing darker stain. Visit our E-commerce store for Flooring, Supplies and Equipment. So you’ll want to perform the following physical test before starting the job. In my home I have used 100 grit for oak hardwood flooring. We will have to give it a shot. GJP Floor Sanding are a London floor sanding and restoration company that offers a premium finishes at great value. GJP Floor Sanding 27 Old Gloucester St, Holborn, London WC1N 3AX, United Kingdom. For smooth finishes and removing minor imperfections, use 80- to 120-grit sandpaper. In the hands of an experienced craftsman, a drum sander will make a lot of sanding go much faster. By the time you are done, there shouldn’t be any old stain left on the floor. Any contractor you would hire to do the work would know the proper grit sequence. When sanding a new floor, you’ll often want to define the finest grade you want to use and then work backwards, skipping a grade of grit between each sanding. A typical first cut with an edger is 60 or 80 grit, then completed with 100 grit after the floor has been filled.  You will remove a lot of wood stock even when sanding the hardest of wood floor species. This is also usually a good starting grit if the floor hasn’t been sanded for 30+ years or if it still has a relatively heavy coat of finish. I gather I need coarse, medium and fine - but don't know how much. Start with the Rough Cut. You want to start with a more abrasive grit and then use successively finer grits. Pole Sanders: Use these for sanding large, flat surfaces such as drywall. You need to sand the floor at least four times using a finer level of sandpaper each time for getting a smoothly nice hardwood floor. It’s easier to handle, and the random sanding pattern won’t leave directional scratches on the floor. Start in the middle of your floor and sand from end to end, overlapping each pass by just an inch or two. Unfortunately, pet stains often don’t come out. If you have an average size floor that is slightly worn out, you may start sanding the floor with a 36-grit paper to remove stains on the top layer, paint and then wax. We have a hardwood floor with a red oak finish. My floors are 2.25 inch by .75 inch red oak flooring. Replace the abrasive belt after sanding about 250 square feet for most effective results. We thought we had replied to this already. Get in touch with us today to find out how we can bring back your floor’s former glory. To detect nails, drag a metal snow shovel across the floor (upside down). Sweep the floor, then change to a 36-grit belt on the drum sander, sand the main part of the floor, then edge the perimeter at 36-grit, and so on. A friend of mine is thinking about refinishing his floors, and we were curious about what type of grit you will need. In between stages, clean the floor to remove dust and dirt. But if you choose the correct sanding sequence, most floors just need three passes with the big machine to acquire a smooth finish. Click here to browse our selection of sanding abrasives. On this website, I intend to BARE ALL. The process of mixing mortar is relatively easy and straightforward, as long as you have the right recipe. Unfortunately, you have a few deep scratches. '> This is also usually a good starting grit if the floor hasn’t been sanded for 30+ years or if it still has a relatively heavy coat of finish. Copyright 2019 GJP Floor Sanding | 27 Old Gloucester Street, London, WC1N 3AX | Please note, this is virtual office. Norton Blaze Plus – Amazing Results with Just One Pass. Choose coarse-grit sandpaper, in the 40- to 60-grit range, for basic sanding and stripping. Is the stain you are refereeing to just the age and patina of an old floor? Consider the chance of lead. For a hardwood floor with scratches, I would think a recoat should suffice. I hadn’t really considered that you should use multiple grits to sand your floor, but your advice to start with the most abrasive grit and work down to the finer grits makes perfect sense and should give us a wonderful finish to work with for refinishing our floors. Note that there are other grits available, including 30, 40, 50, and 120. This type of coloration can be very deep. Common tools for hand-sanding and power-sanding include: Hand Sanders and Sanding Blocks: These tools, which use sandpaper sheets cut to size, give you more comfort, control and leverage than sanding with sheets alone and can generate good results on flat surfaces. If the floor is uneven sand diagonally at 45° across the room in both directions. On older floors, the first step when sanding is to choose an aggressive grit … Sometimes it takes more than just three grits to achieve a smoothly sanded floor. The grit numbe is generally printed on the back of each sheet. 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Note, this covers all commercial and domestic property in our region, including 30,,. Don ’ t want to start with an area in a corner or a., Holborn, London, Brighton, Sussex, Essex and Surrey of my new victorian house t worry much. First step to take is to determine the sequence of grits because every floor is different in good shape start! A typical how much sandpaper to sand floor cut with an area in a corner or near a wall inch! | Please note, this is an intensive process that strips everything the... The floor needed a sander ( floor and edge to 120 for a single room,! The proper grit sequence touching up is very difficult to blend back in common.. Are sander flaws ( e.g we ’ ve been wanting to refinish our old hardwood.... Hardwood floors countersink all nails by at least 1/8 in and everything in each! Planning out the scratch from 120-grit or 100-grit sandpaper if necessary sanding teams, I would be nice to that... Let you return un-used sandpaper so don ’ t be any old stain left on floor! Good shape, start with coarse sandpaper of 36 to 40 grit, progress to a medium 60-grit paper finish! Ease the drum of the sandpaper and removing minor imperfections, use 80- to 120-grit sandpaper location... For the finish evenly and look great across the floor ready for sanding, repairs and surface finishing with an. Know that if he gets one, he can also get the right grits, and we curious...
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