How do you apply varathane floor finish?

Asked By: Mariem Lucaciu | Last Updated: 25th January, 2020
Category: hobbies and interests woodworking
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Apply using Varathane Lambswool applicator pad or a good quality, natural bristle brush, or applicator. 3.) Allow finish to dry minimum of 3.5-4.5 hours before re-coating. Lower temperatures and/or higher humidity may cause slower dry times.

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Simply so, how many coats of varathane are on the floor?

Four coats

Subsequently, question is, what is the best way to apply water based polyurethane? The basic application technique for water-based poly is similar to that for oil-based. Apply a very thin coat of polyurethane with a fine brush, foam pad, or cloth. Work with the grain, and avoid applying too much polyurethane to avoid raising the grain.

In respect to this, how long does it take for varathane polyurethane to dry?

Dry and recoat times are based on 70°F and 50% relative humidity. Allow more time at cooler temperatures. Dries to the touch in 1-2 hours and can be recoated in 4 hours. It is fully cured in 72 hours.

How do you apply hardwood floor finish?

Put your applicator on the floor, and cut into the finish. Then, use it to brush the finish up and down the floor, covering a couple of feet of the room. Apply a moderate, consistent amount of pressure when you push the finish, but don't push down on the applicator while pulling it towards you.

36 Related Question Answers Found

How long does it take to sand a floor?

Don't underestimate the amount of time it will take to sand your floor. The professional floor sander guy took around 2-3 hours to sand our living room floor – it took us a lot longer! In numbers, it took the two of us about 25 hours to sand 4 rooms (totalling at about 43m²).

How long should polyurethane dry between coats?

In-between Coats
When applying polyurethane, brush along the grain, stretching the polyurethane into as thin a coat as possible. Always allow polyurethane to dry 24 to 48 hours before sanding, to give the surface time to cure and harden.

How do you know if polyurethane is dry?

There are several ways to determine whether a surface is dry: OIL BASED products are dry if they are no longer tacky and do not emit a smell. WATER BASED products are try if they no longer feel cool to the touch and a powder will form with light sanding.

Can you use a roller to apply polyurethane?

Yes, you can use a paint roller to apply polyurethane. Polyurethane is easily applied with a paint brush or roller and dries quickly. Applying the material with a roller eliminates brush strokes and lines and prevents over-applying the material.

Do you sand between coats of varathane?


Note: Sanding between coats is not necessary, but it will provide a better finish. After a coat has dried, use 220 or 240 grit sandpaper or extra fine steel wool to lightly sand surface. Sanding produces a white film over the finish, but will disappear as you apply the next coat.

Is 2 coats of polyurethane enough?

The sanding of coats in-between is to give the new coat something to adhere to. It roughs up the surface just enough to give it a bit of grip. Multiple coats is the same as anything else. Multiple coats makes the coating thicker, stronger and more lustrous.

Is 3 coats of polyurethane enough?

3 Coat Application
There needs to be 3 coats of Polyurethane applied, especially if you are using an oil-based finish. The first coat should be mixed with mineral spirits. This acts as a sealer and provides a barrier between the wood and the oil finish you are using. A bristle brush is needed to apply the coats.

Can you sleep in house after polyurethane?

We recommend a minimum of 2 days of socks-only traffic for floors finished with oil polyurethane. The house is not inhabitable for a minimum of 2 days after the job is completed, and better to stay out for at least 5 as the fumes/off-gassing is not advisable to breathe in, even if there are other rooms to sleep in.

Can you apply a second coat of polyurethane without sanding?

Q: What will happen to a wood floor if you do not sand between coats of polyurethane? A: Nothing, provided you apply each coat of finish within a reasonable amount of time. If you get dust nibs or brush marks in the finish, sanding will smooth them, and your next coat will look better if you work on a smooth surface.

How do you apply polyurethane without brush marks?

A light coating of finish after sanding disguises the area.
  1. Sand down the brush marks lightly with the fine-grit sandpaper.
  2. Brush the sanded area off with a soft cloth to remove all traces of dirt and grit from the sanding.
  3. Apply the polyurethane finish lightly to the brush, making sure to wipe off any extra.

How long until polyurethane smell goes away?

The floor should be mostly cured (enough to live on) in the first 5-7 days, but it can take up to a month for the odors to be completely gone, and for the finish to reach its maximum hardness.

Is polyurethane toxic after it dries?

Once the polyurethane finish has dried and cured, it is generally considered to be safe, but during the drying and curing process, the finish releases potentially harmful chemicals into the air via evaporation, a process called off-gassing.

How long after polyurethane can you walk on 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 oil based polyurethane take to cure?


Time for oil-based polyurethane to dry:
Hours 24-48, you can walk on the floors with socks. Avoid shoes and bare feet. And, make sure your pets (who usually have bare feet) do not walk on the floors during this time. After 4 days, you can move furniture back on to the floors.

Can you use a foam brush to apply polyurethane?

Applying Polyurethane. Apply polyurethane using a bristle or foam brush about 2″ wide. Foam works well and eliminates the chore of cleaning, because the brushes are cheap and thus disposable. You can apply the first coat full strength or thinned up to half with paint thinner, making, in effect, a wiping varnish.

How long does water based polyurethane last?

For oil based poly, it usually takes 30 days to fully cure. But, with water based poly, the curing time can be cut down to 2 weeks. While you can walk on the floors much sooner (often after 24 hrs), the floors are still vulnerable during the curing process, and that means they can scratch much more easily.