QA

Quick Answer: How To Apply Water-Based Polyurethane To Floors

How do you apply water based polyurethane to floors?

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.

Can I use a roller to apply water based polyurethane?

Yes! You can use a roller to apply polyurethane (and definitely should) when working on floors and large furniture. Applying polyurethane using a roller is easier, and the drying time is short. The roller also removes brush marks and prevents over-application on the surface.

What is the best way to apply polyurethane to floors?

The best practice is to apply three coats of polyurethane, allowing the floor to dry, and lightly sanding it between coats. Some finishers offer lower estimates for two coats, but your floor won’t have the same level of protection, and scratches will go through to the wood more easily.

What type of applicator is used for water based polyurethane?

A roller is the recommended method for applying some water-based polyurethanes, as well as some oil-based polyurethanes and moisture-cured poly finishes. Rollers are good for finishing multi-direction floors, like parquets.

Do you have to sand between water based polyurethane coats?

Sanding between coats is not required for adhesion as long as the time between coats is less than 6 hours. However, screening or sanding between coats usually produces a smoother better looking finish. A minimum of 3 coats of finish are recommended. Sand between coats with 120-150 grit sandpaper or maroon abrasive pad.

How do you apply water based polyurethane without bubbles?

To avoid bubbles when applying water-based polyurethane it’s best to apply multiple thin coats using a synthetic brush rather than a natural brush. Dampen the entire brush with water to make the application even smoother. Lastly, do not shake up the can as it creates bubbles, stir the poly.

How do you apply polyurethane without streaks?

Thin your polyurethane with paint thinner, mixing it with a paint stir stick. When polyurethane is too thick, the brush marks hold their shape and don’t settle out. Thinning the product provides a smoother finished surface. Experiment with different amounts of paint thinner to see what works best for you.

What kind of roller do you use for polyurethane?

A simple foam roller wrapped in plastic an cloth makes an efficient and effective applicator for polyurethane finish.

How do you apply polyurethane without bubbles?

To prevent polyurethane from forming bubbles, use a thinner or a flow additive. For oil-based polyurethane or varnish, use mineral spirits as your paint thinner. And flow additive in water-based polyurethane or varnish. Before applying polyurethane, do not shake the poly can.

Is water based or oil based polyurethane better for floors?

Oil based poly is a thicker poly, but it is also softer. Water based poly, an acrylic product, forms a thinner, but harder coating. Oil poly can be more susceptible to dents, while water based poly can be more susceptible to surface scratching.

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 of water based polyurethane do you need on hardwood floors?

So, how many coats of polyurethane to add? You should apply at least three coats of polyurethane on hardwood floors.

How do I get a smooth finish with water based polyurethane?

First use a degreaser cleaner like Formula 409 or Fantastik to clean away any buildup of grease or cooking oil. Scuff-sand the old finish with fine synthetic wool, then seal with Zinsser SealCoat. Sand the seal coat with fine synthetic wool, then brush on two to three coats of water-based poly to complete the job.

Can you use a squeegee to apply polyurethane to floors?

Weatherwash’s POLYURETHANES can be applied use either an atomized paint brush, paint sprayer or squeegee. ​Polyurethanes are perfect for large surface application, like floors.

How long should water based polyurethane dry?

It takes anywhere from 2 hours to 24 hours for the polyurethane to dry, depending on the type of polyurethane you use. Water-based polyurethane takes about 2 hours while oil-based polyurethane needs about 8 hours to dry.

Can you apply polyurethane over old polyurethane without sanding?

Can I Apply a Second Coat of Polyurethane Without Sanding? The simple answer is no; you can’t. However, if you want your surface to be good, there is no shortcut but to sand the surface before applying the second coat. Before sanding, give the Polyurethane enough time to dry and cure properly.

Is water based polyurethane good?

Water-based and oil-based polyurethane each offer good protection; the biggest difference is in appearance. Polyurethane is actually the most durable hardwood floor finish. There’s debate over which finish is harder, but some experts maintain that hardness isn’t necessarily a good attribute of a floor finish.

Can you use mineral spirits between coats of polyurethane?

You can thin polyurethane 50/50 (or even a little more) with mineral spirits to make it easy to wipe.