If you face medium scratches that show only slight damage, you may be apply to apply a new coat of finish to the area without having to refinish the floor entirely. Make sure the finish matches the original as closely as possible. If the wood was stained but has no finish, you may be able to get similar wood floor scratch repair results by re-applying the stain to help hide the scratch.
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.
Wood flooring is any product manufactured from timber that is designed for use as flooring, either structural or aesthetic. Wood is a common choice as a flooring material and can come in various styles, colors, cuts, and species. Bamboo flooring is often considered a form of wood flooring, although it is made from a grass (bamboo) rather than a timber.[1] Hardwood Floors
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 Floors
You cannot restore every wood floor by simply refinishing it. If your wood floor has become warped or if several of the planks have become damaged, you will typically need to replace the entire floor, as finishing will only brighten an already-damaged surface. On really old floors, you may see the tongue where the boards come together, or your boards may lack adequate thickness. Floors like this are definite candidates for replacement, as refinishing is purely cosmetic.
It is difficult to compare solid wood flooring to engineered wood flooring due to the wide range of quality in both product categories, particularly engineered. Solid wood has some limitations. Recommended maximum widths and lengths are typically 5" / 127mm wide and 7' / 2100mm long. Solid hardwood is also more prone to "gapping" (excessive space between planks), "crowning" (convex curving upwards when humidity increases) and "cupping" (a concave or "dished" appearance of the plank, with the height of the plank along its longer edges being higher than the centre) with increased plank size. Solid wood cannot be used with underfloor radiant heating.[5] However extra care is necessary with the planning and installation of the heating system and the wood flooring, such as limiting the temperature to 85 °F (29 °C), avoid sharp temperature fluctuations, utilizing an outdoor thermostat to anticipate heating demands, and monitoring the moisture content for the subfloor before installation. Denver Hardwood Floor Install
Floor connection system: There are a wide range of connection systems, as most of them are mill-specific manufacturing techniques. The general principle is to have grooves on all four sides of the plank with a separate, unconnected, piece that is inserted into the grooves of two planks to join them. The piece used for the connection can be made from wood, rubber, or plastic. This installation system allows for different materials (i.e. wood and metal) to be installed together if they have the same connection system. Denver Hardwood Floor Install

Solid hardwood floor planks are made from a piece of wood and made to be anywhere from 18 to 20 mm thick. The boards are made with a tongue and groove to fit together for installation. Depending on the species of wood, certain floors will be harder than others. The harder the floor, the less susceptible it is to dings and scratches. The floor can be sanded and refinished several times to restore its beauty, with the total number of times being determined by the depth of the tongue from the top of the plank. Denver Hardwood Floors
While the overall thickness of flooring is going to vary by category, it is still important to know what is contributing to that thickness. Engineered wood flooring can inflate thickness by adding more layers of plywood or particle board, but still only offer a thin veneer of real wood on top. The dense core allows for Rigid Core floors to be significantly thinner than traditional hardwood floors, with WPC floors being thicker than SPC products. That doesn’t mean all Rigid Core floors are made equally though. Just like how engineered hardwood flooring can inflate thickness, Rigid Core flooring can alter the overall thickness by increasing the size of the acoustical padding on the back. While this padding adds a lot of great features, it doesn’t need to be any thicker than 1mm in size. When it comes to Rigid Core flooring, the thickness of the core is most important. Hardwood Floors

If you’re thinking about redoing your hardwood floor, you might envision a refreshed look to your kitchen or hallway. You can picture your friends coming to your home for your next party and admiring your new floor, but you may find something standing in the way — you have no idea which type of hardwood flooring to get. With some research on your end, you can save yourself time and money. Let’s explore the features of some popular hardwood flooring types.
Instead of boiling the hardwood logs, in this process they are kept at a low humidity level and dried slowly to draw moisture from the inside of the wood cells. The logs are then sawn in the same manner as for solid hardwood planks. This style of engineered hardwood has the same look as solid hardwood, and does not have any of the potential problems of "face checking" that rotary-peel and slice-peel products have, because the product is not exposed to added moisture.
Solid hardwood floor planks are made from a piece of wood and made to be anywhere from 18 to 20 mm thick. The boards are made with a tongue and groove to fit together for installation. Depending on the species of wood, certain floors will be harder than others. The harder the floor, the less susceptible it is to dings and scratches. The floor can be sanded and refinished several times to restore its beauty, with the total number of times being determined by the depth of the tongue from the top of the plank. Denver Hardwood Flooring

It can be sanded down and refinished five, six, even seven times. And, if maintained properly, you won’t have to do it for 20 years. Refinishing a floor may be messy and troublesome, but most homeowners learn to live with it. After all, it costs five times as much to replace hardwood floors than it does to refinish them. For some people that is reason enough. Denver Hardwood Floors
This process begins with the same treatment process that the rotary peel method uses. However, instead of being sliced in a rotary fashion, with this technique the wood is sliced from the log in much the same manner that lumber is sawn from a log – straight through. The veneers do not go through the same manufacturing process as rotary peeled veneers. Engineered hardwood produced this way tends to have fewer problems with "face checking", and also does not have the same plywood appearance in the grain.[3] However, the planks can tend to have edge splintering and cracking because the veneers have been submerged in water and then pressed flat. Denver Hardwood Floors
Refinishing a floor takes a lot of time. You’ll need to remove all of the furniture from the room. The wood needs to be sanded bare. If you need to make a structural or cosmetic repair, you must do so before staining and coating. During the week that all of this is going on, nothing else can happen in that room. Dogs cannot walk through and sniff everything, children cannot bounce their balls, dust is everywhere, and the smell is enough to kill you. Well not really, but you get the idea. All of this time and trouble is reason enough for some homeowners to prefer having the old floor ripped out to put in something fresh and new. Hardwood Floors

A number of proprietary features for solid wood floors are available. Many solid woods come with grooves cut into the back of the wood that run the length of each plank, often called 'absorption strips,' that are intended to reduce cupping. Solid wood floors are mostly manufactured 0.75 inches (19 mm) thick with a tongue-and-groove for installation.

With so many potential problems and repairs that a wood floor could need, you’re probably wondering how much the potential solutions will cost. It might make you feel better to know that the average wood floor repair costs around $1000, with minor repairs costing as little as a couple hundred and major jobs costing well in to the thousands. This is definitely a job that you’ll want to get a few quotes from contractors in order to feel comfortable with your particular repair needed or how you can repair the wood floor yourself.
To fix a buckled floorboard, you need to be able to access the floor from below. The way to tackle this problem is to put weight on the buckled area from above — a cement block works well. Then install a 1 1/4-inch screw in the buckled flooring from below. Allow the screw to penetrate only halfway into the flooring, or it may come up through the finished surface. Driving the screw through the subfloor and into the flooring pulls the flooring down against the subfloor and gets rid of the buckled spot. Denver Hardwood Floors
Because tongue-and-groove boards are locked in place, removal involves cutting out the middle of each damaged board. The easiest way is to bore a 1-in.-dia. hole through both ends of each damaged board (photo 1). Then use a circular saw to connect the two holes (photo 2). Follow these steps to safely make the plunge cuts you need to repair your hardwood floors: 1. Adjust the depth of cut to the thickness of the floorboards. Plug in the saw and put on eye protection. 2. Pull back the retractable blade guard with your thumb. Then hold the nose of the baseplate on the floorboard and lift up the rear of the saw. 3. Align the blade with the right edge of one of the holes. Make sure the blade isn't touching the floor, then squeeze the trigger and slowly lower the spinning blade into the board. 4. Grip the saw firmly with both hands and guide it in a straight line until you cut into the right edge of the hole at the opposite end of the board. 5. Move back to the first hole, align the blade with the left edge and cut to the left edge of the second hole. Pry out the middle section with a hammer and chisel. Chop out the remaining edges, being careful not to damage any surrounding boards (photo 3). The "tongue" piece will be nailed in place, so break it out in small pieces. Then pull out the nails with a hammer or locking pliers. The existing floorboards have a tongue and groove milled on each end and along the edges. Chop off the tongue exposed by the board you just removed so you can slip in the new board (photo 4). Hardwood Floors

Solid hardwood is great for high traffic areas and rooms on the first or second floors where there’s limited moisture. You can purchase your solid hardwood floors either prefinished or unfinished. Prefinished hardwood floors have a coating that protects them and they’re ready to install right out of the box. Unfinished hardwoods allow you to apply your own stain color. Hardwood Floors
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