Whether you simply need to refinish your hardwood flooring, or you have discovered an old hardwood floor underneath years-old carpet, you can restore the look and bring back the beauty of the floor when it was new. Don’t go running for a sander and varnish just yet, however. Kind of like customers at a hair salon, one floor may require a different cut and color than the next. Choose the finish removal appropriate for your floor and the finish that matches the wood. With a little preparation, you’ll soon have a refinished wood floor that everyone will rave about.
Before you do anything, you need to determine the condition of your wood flooring and the finish as well. Knowing the age and thickness of the original hardwood floorboards, how many times the floor has been sanded, and the finishing products previously applied helps you decide how the floor should be stripped and how it should be finished. Making a mistake can be costly and damaging, so if you aren’t sure, a little investigation is in order. At the same time, make note of problem areas that may require a little extra prep work before refinishing the wood.
Keep in mind that refinishing a hardwood floor is a lot of work and time-consuming. Hiring a refinisher may be a better option for you. However, even if you choose to let a pro handle your floors, you can significantly lower the cost by assessing your floor yourself and performing the prep work so the pro can get right to work.
Wipe a small area with a cloth dipped in mineral spirits or paint thinner. If the finish comes off on the cloth, a yellow or brown residue, a paste wax covers the wood. Alternatively, drop a spoonful of water on the area and use steel wool to see if the finish comes up as a gummy residue, which looks grayish on the steel wool. Wax is often found on older wood floors – pre-1930 – when a penetrating oil like tung oil was applied, then covered with wax for shine. While wax soon declined as new finishes became popular, it is still an option to wax new wood floors.
Mix a small amount of water and ammonia and add a little dish soap. Drop a spoonful on the floor and let it set a minute. If a hazy, white discoloration results, the floor has an acrylic wax finish. Use rubbing alcohol, purchased at the supermarket, to see if it softens the finish. If the floor becomes gummy or sticky, the finish is shellac.
Lacquer thinner will soften both lacquer and water-based finishes. If it works, follow with a drop or two of either toluene or xylene – available in the paint section of your local hardware store – to see if that softens the finish as well. If it does, you know you have a water-based coating. If it doesn’t, the finish is lacquer.
If none of the solvents work, a reactive finish such as polyurethane or varnish is the likely finish. The exact type doesn’t matter – any reactive finish is compatible.
Once you’ve examined your floor and considered the condition of the current finish, how thick the wood and what areas may cause problems, you’ll have a better idea of your floor’s needs. Before refinishing the floor, countersink nails, fill cracks and replace boards to prepare for the job ahead. Clear the room of as many furnishings as possible to make the work easier. Take the time to remove baseboard moldings or anything you may bump against on the wall. Hang plastic over doors and tape across vents and electrical outlets – any sanding creates a lot of dust, and you don’t want it spreading through your house. Finally, choose a refinishing method depending on the level of refinishing your floor condition demands.
At this point, if you’ve stripped your finish and sanded your wood, you have almost endless possibilities for finishes. A varnish, for instance, may be used alone in clear or colored formulas. A stain topped with polyurethane is another popular choice, or an old-fashioned linseed or tung oil covered with wax may suit your preferences. Research your options before deciding what to use – a wood floor lasts nearly forever, and you don’t want to have to do a complete refinishing anytime soon. With care put into refinishing your floor, and a little time and attention put into taking care of the new finish, you won’t have to.
We hired someone to refinish our red oak floors due to water damage (dishwasher leak) They have now been sanded three time. The first time after the stain was applied there appeared these wide dark lined up and down the floors randomly. The hardwood guys re-sanded and stained again this time tons of swirl marks and scratches. Re-sanded a third time and decided to change the stain a little too to see if it would hide imperfections more. Floor was sanded and then my husband and myself tested several colors in different areas and rooms and selected a color of 50/50 Antique and Early American. It was a brown/red color. When I came home and the stain was completed and dried it was very gold and yellow. When the hardwood guys came back the next day to apply the first finish coat I commented on the color. They didn’t have a reply. After the clear coat dried I was sick. It was more yellow than even before. It looks like the old “honey oak” from the 80s and 90s but more yellow. I can’t stand it and it looks awful with our cherry stained alder cabinets and other hardwood. It looks nothing like the samples we tried and I can’t figure out why. Any ideas or suggestion? They are coming back in the morning to finish up and I don’t know what to do. Thank you , Julie
Hello, I tested my hardwood floors with water it formed a pool, I did the alcohol test for 1 min. The wax wiped right up. The floor is in good shape.I’m just trying to take the old wax off. What should I use to take the old wax off
i started staining the floor, stop staining and started back, it dont match. help.
We recently moved into an old farmhouse. We were planning to replace the old carpet with new; but when we removed the carpet and laminate we found original wood floor underneath. My husband sanded them down and we filled the cracks with wood filler and then topped it off with a sawdust and wood glue mix. I tried to sand down the left over wood filler along the crack lines but didn’t get it all off. Then I placed polyurethane over it. Now the floor has this grayish discoloration along the cracks of each board. I am afraid that I am going to have to start over with a sander. Is there any other way to fix my mess?
Thanks for your help.
I refinished an old wood floor last year, sanded it until smooth (probably 90 years old) than I put tung oil, seven coats on it. I like it, but since then I did another floor
using stain and Poly, I like this floor so much better, can I now sand the tung oil down, stain and poly this floor? The last floor was hard to do because I had to remove layers of varnish, hand sand and then put the conditioner on it and then the stain and then 3 coats of poly (I am 74 years old, female) but I am not afraid of work, so I will do the other floor if I can. Please advise
Wow – I am impressed you do this yourself! How awesome!
I wouldn’t be scared to try it at all. Do you have wax on the tung? Either way, IF you can sand the tung away and get into wood you should be ok.
Think I already know the answer to this question. If I’m refinishing the whole first floor. Is there a way to do one room at a time instead of moving all of the furniture out of the house? Thanks
Yes. Considering the dry time needed before you walk on the floor or set objects on it, I would suggest moving the furniture out of a room or two at a time and do your first floor in stages. It means you have to deal with the mess and hassle longer, but it will allow you to continue living in your house while you do it.
hi I have just sanded original floor boards and am now slightly confused about what finish to use, I would like to wax rather than varnish, do you have any tips or recommendations on what to use, many thanx
Thanks for writing. When it comes to what you would like to use on your wood floor, it really is about preference. Each finish product has benefits and drawbacks, so it’s difficult to say what’s “best.”
You mention that you would like to use wax. I am curious why — is it because you think it protects more than other finishes? Fact of the matter is varnish and polyurethane are actually harder than wax and protect the wood from moisture and damage better. However they can be more difficult to apply as well, along with other disadvantages.
More people are turning back to the old-fashioned wax finishes. The great thing about wax is with heat from friction and use, it melts slightly, helping to fill in scratches and blemishes. The bad thing, as mentioned in my article, is if you want to refinish your floor, you have to make sure it’s TOTALLY removed before you can add any other finish.
To use a wax finish, I would personally likely go with either a Tung oil finish and top with either liquid or paste wax, or I would use a newer product called “hardwax oil” which combines oils with waxes and replaces both.
You could use other types of oils, but many like Tung oil and it has wonderful qualities such as no VOCs, totally “Green,” and non-toxic. Likewise, some use shellac (another natural product, made from the Lac bug) and wax over it. From your question, however, I am thinking you would be most satisfied with an oil and wax finish.
One key point — if you use oil, make sure it is completely dry and cured before waxing. If wax is applied too soon, you will end up with a sticky mess.
Hope this helps,
Great post. Refinishing your floors is so hard for DIYers but can be a big big accomplishment.
Refinishing your hardwood floors can add a whole new look to your home and increase it’s curb appeal. Many times, houses have finished hardwood floors that have been covered by carpeting. Tearing out the old carpet and refinishing is an inexpensive way to update either a single room or the whole house.
Great post here! Some important points made, especially about ensuring you use the correct methods when it comes to refurnishing; often enough you’d see perfectly okay floors damaged which can be quite costly!
Hope you had a great xmas!