QA

Question: How Many Coats Of Oil Based Polyurethane For Hardwood Floors

OIL BASED POLYURETHANE: We recommend at least 2 coats of oil based polyurethane + a lacquer sealer coat as a minimum for hardwood flooring. Extra coats = extra protection, but only one coat of oil based polyurethane may be applied per day, as it needs 24 hours to dry before applying another coat.

Is two coats of oil based polyurethane enough on hardwood floors?

You should apply at least three coats of polyurethane on hardwood floors. Oil-based polyurethane will rarely need more than three coats on floors. Hardwood floors are high traffic areas, so you need a nice, thick layer to protect the wood for years.

Do you really need 3 coats of polyurethane?

For best results, apply at least two coats of polyurethane. When working on floors, tables, chairs, and furniture that will be used often, apply at least three coats. If you are using water-based polyurethane, you can apply up to four or five coats on floors and sheds.

How long does it take for oil based polyurethane to dry on hardwood floors?

Oil-based polyurethane dry time is about 4 hours for fast drying formulae. But some polyurethane finishes might dry within 24-48 hours. As for curing, you need 30 days to cure properly. The surface is ready for use after 4 days or more.

Is 4 coats of polyurethane too much?

For ideal results, you should use about three or four coats. You will also have to wait quite some time between coats, as this polyurethane takes longer to dry. No matter how many coats of polyurethane you apply, it will always be quite a time-consuming process when using an oil-based finish.

How long do you wait between coats of polyurethane on floors?

While not necessary, Polyurethane for Floors can be sanded between coats for maximum smoothness. Allow the finish to dry 4-6 hours before sanding. A light sanding between coats is necessary only if Polyurethane for Floors has been allowed to dry for 12 hours or more.

How long does it take for oil based polyurethane to dry between coats?

You should typically wait about 2 hours between coats of water-based polyurethanes and about 8 hours between coats of oil-based polyurethane before applying additional coats.

How long does oil based polyurethane last on floors?

High quality water based polyurethanes is considered by many homeowners & flooring professionals to be equally durable. Oil based poly can last around 10 years. Water based poly can have the same longevity. The key is using high quality water based poly like Bona Traffic and having it applied by a professional.

Can you put too many coats of polyurethane?

Generally, more than 3 coats of poly doesn’t do much good. It’s really not needed nor recommended. Each additional coat needs to be buffed so you are kind of buffing off half of the previous layer. Each additional coat takes longer to try due to the added layers.

What happens if you don’t sand between coats of polyurethane?

For some types of poly, nothing happens if you don’t sand between coats of polyurethane. However, most polyurethane will not adhere properly if you skip sanding dust nibs and brush marks on the finish. The polyurethane finish will eventually peel off or become deformed.

How many coats do you put on hardwood floors?

How many coats will be applied? The standard for a hardwood floor is at least three coats. This consists of one seal coat (which may be the stain) and two coats of finish. Additional costs of finish may be applied depending on the need.

How many coats of water based polyurethane do you need on hardwood floors?

We recommend a minimum of 3 coats of water based polyurethane as it coats in thinner, but harder layers, than an oil based poly. Water based polyurethane dries very quickly and up to 4 coats can be applied in one day. Jobs 1,500 – 5,000 sq ft, 2-4 days for completion.

How do you apply oil based polyurethane?

Seal the Surface Thin your oil-based polyurethane with two parts polyurethane and one part mineral spirits. Brush the sealer on with a natural-bristle brush using long, even strokes. Load your brush by dipping it about 1 in. Keep a wet edge by overlapping each pass until the surface is completely coated.

Do you sand after first coat of polyurethane?

Sand the dried and cured first coat of polyurethane no sooner than 24 hours after applying it. Use a very fine-grit abrasive, sanding with the grain of the wood.

How do you make oil based polyurethane dry faster?

Set up a space heater in an adjoining doorway to keep the room temperature in the 70s F if you are drying the urethane in early to midspring or mid- to late autumn. Outside of the summer months, the need to ventilate might lower the temperature in the room below the optimum for drying urethane.

When can you walk on oil based polyurethane wood floors?

Fresh polyurethane can be walked on as soon as all signs of wet finish disappear. You may be able to walk on the floor as soon as two hours after applying WBP and eight hours after applying WBP. You should wait two days before moving furniture onto a floor finished with WBP — four days for OBP.

How long does polyurethane last on hardwood floors?

What a new coat of polyurethane does is it adds another layer of protection to your floors, extending the life of the floors usually for another 3-5 years. Doing this every 4-6 years will prevent you from ever having to fully refinishing your floors again. Don’t wait until it is too late and “wear” begins to show.