Sanding provides a method for smoothing an installed floor, compensating for unevenness of the subfloor. Additionally, sanding is used to renew the appearance of older floors. Sanding using successively finer grades of sandpaper is required to ensure even stain penetration when stains are used, as well as to eliminate visible scratches from coarser sandpaper grades used initially. Prior to modern polyurethanes, oils and waxes were used in addition to stains to provide finishes.[7] Beeswax and linseed oil, for example, are both natural crosslinking polymers and harden over time.[8] Denver Hardwood Flooring
Add style, warmth, and value to your home with beautiful hardwood floors from The Home Depot. Our hardwood floors are available in solid and engineered hardwood, and a wide variety of colors, styles and wood species. Whether you’re interested in a traditional look, like a classic oak wood floor or something more modern and contemporary, like bamboo floors or cork flooring, we have everything you need to get your flooring project done.
Natural warmth and beauty make wood a favorite for floors. But when the topcoat finish wears through, the porous surface of the wood is open to stains-especially beneath dining room chairs, in front of a sink and in other high-traffic, high-spill areas. Oil soap and all-purpose cleanser remove some stains, especially when the spill is fresh. But it's impossible to scrub out stains that have soaked into the wood fibers. And sanding only creates a depression in the floor that's more noticeable than the stain. The only option to repair hardwood floors at this point is to cut out the stained floorboards and install new ones. We replaced a couple of boards from a standard 3/4-in.-thick x 21/4-in.-wide oak-strip floor using a drill, circular saw and sharp chisel. To determine the exact width and thickness of the pieces you'll need, lift up a heat register or threshold and measure the exposed ends of the floorboards. You'll find hardwood flooring at a local millwork shop, lumberyard or floor-covering store.
All varieties provide increased durability over traditional wood, but buying engineered wood with more core layers and a thicker veneer offers the most durability. Engineered flooring is available in a wide range of woods, colors and finishes. Here are a few of the most popular engineered flooring options, along with some unique characteristics of each and average pricing: Denver Hardwood Floor

Glue down engineered hardwood, alternatively. If you don't want to nail down the boards, you do have the option of using adhesive to put engineered hardwood in place. It's a good choice, but won't last as long or be as sturdy as nailed down hardwood. The procedure is very similar to the nail-down process. Follow the adhesive manufacturer's instructions for installation and drying times.[11]


My advice is to bring in a professional to make sure the floors can be refinished (i.e. if there is still enough room/if you didn’t permanently damage the wood), and if so, have them refinish them rather than replace them – that will be much less expensive. I don’t know where you live and the going rates, but in our area, it’s prob. the price is prob. $1-2 lower…but that may be par for your area. Call in 2-3 people to see. I would check Angie’s List (angieslist.com) for some good local people in your area. Denver Hardwood Flooring
Local Retailers: Local home improvement stores often carry a number of engineered wood flooring products in stock. Additionally, local flooring stores can provide samples that let you see how the color and style of the engineered floor will look in your home. Either option may offer you an on-site estimate to give you a better idea about what your project could cost. Hardwood Floor
Judy – I’m sorry to hear this. I am surprised, but it does happen once in a while. I would probably get a 2nd opinion just to make sure. If they were solid hardwood and are now too thin, then it sounds like they’ve been refinished many times. Generally solid hardwood flooring is 3/4″ thick and that is what you should get if you put in anything new. That will then last a long time and you won’t have this issue in the future. Hardwood Floor
Maple is another great choice for hardwood flooring. Many people prefer its light tan look, which blends into home interior spaces. As one of the strongest woods, maple is a top choice for high-traffic areas of a home. The wood doesn’t scuff easily, making it a good choice for homes with children or those with a lot of foot traffic across the floors. Maple requires minimal maintenance, with weekly sweeping and annual applications of wood soap to prolong the life of the floors. Denver Hardwood Floor
Solid hardwood floors are made of planks milled from a single piece of timber. Solid hardwood floors were originally used for structural purposes, being installed perpendicular to the wooden support beams of a building known as joists or bearers. With the increased use of concrete as a subfloor in some parts of the world, engineered wood flooring has gained some popularity. However, solid wood floors are still common and popular. Solid wood floors have a thicker wear surface and can be sanded and finished more times than an engineered wood floor.[2] It is not uncommon for homes in New England, Eastern Canada, USA, and Europe to have the original solid wood floor still in use today. Denver Hardwood Flooring

Glue down engineered hardwood, alternatively. If you don't want to nail down the boards, you do have the option of using adhesive to put engineered hardwood in place. It's a good choice, but won't last as long or be as sturdy as nailed down hardwood. The procedure is very similar to the nail-down process. Follow the adhesive manufacturer's instructions for installation and drying times.[11]
Hardwood species used in flooring are given a hardwood hardness rating, which indicates how resistant the wood is to dents and wear. This rating is based off a test called the Janka Hardness Test, and it measures the force needed to press a steel ball into the wood sample. The highest possible score on this test is a little over 5,000, with most traditional solid wood floors scoring in the 1,000-2,000 range. The superior density of Rigid Core flooring would exceed the limitations of the Janka test, and instead a higher impact testing is needed to measure real world performance. Here is how the general hardness of plank flooring ranks:
Hardwood species used in flooring are given a hardwood hardness rating, which indicates how resistant the wood is to dents and wear. This rating is based off a test called the Janka Hardness Test, and it measures the force needed to press a steel ball into the wood sample. The highest possible score on this test is a little over 5,000, with most traditional solid wood floors scoring in the 1,000-2,000 range. The superior density of Rigid Core flooring would exceed the limitations of the Janka test, and instead a higher impact testing is needed to measure real world performance. Here is how the general hardness of plank flooring ranks:

My advice is to bring in a professional to make sure the floors can be refinished (i.e. if there is still enough room/if you didn’t permanently damage the wood), and if so, have them refinish them rather than replace them – that will be much less expensive. I don’t know where you live and the going rates, but in our area, it’s prob. the price is prob. $1-2 lower…but that may be par for your area. Call in 2-3 people to see. I would check Angie’s List (angieslist.com) for some good local people in your area. Denver Hardwood Flooring
Eliminate any problem spots to make the subfloor level. Sand minor humps down with a hand-held or orbital sander to make the subfloor level. To fill any dips or low spots, use a leveling compound (also known as floor patch). Mix up the compound according to package directions, fill in the dips, then pull your straight piece of lumber back and forth over the spot to flatten and level it with the rest of the subfloor.[7] Hardwood Floor
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