You can use a water based polyurethane over an oil based poly as long as the old finish has completely cured two to three weeks.
Best way to apply extra coat on prefinished hardwood.
There are two basic methods.
Whether you can seal a prefinished floor with polyurethane depends on your circumstances and the condition of the hardwood floor.
Recoating in its simplest definition is applying a fresh coat of finish to your hardwood floors.
Wax finishes require a different method than a screen and recoat.
Whether you re looking for a shiny high gloss finish or something a little more matte wood flooring top coatings provide plenty of options.
Below are some of the top surface finishes for hardwood to note when choosing either solid or engineered.
The finish is a protective top coat that seals a hardwood floor against damage from everyday wear and tear moisture and stains.
Three to four coats are recommended.
Buffing or abrading the existing coat before refinishing or alternatively applying a chemical etching kit.
The urethane used in sealing wood surfaces is more commonly known as polyurethane.
Water based polyurethane is a standard choice for many environments but especially those with more moisture.
Either way you ll be able to refinish your hardwood floors relatively quickly and without the hassle expense and equipment required to sand to bare wood.
Unlike refinishing you are not removing the original finish on the floor.
Recoating is often confused with refinishing a hardwood floor.
Unfinished floors have the finish applied on site at the customer s home.
For this reason a final coat of wax often tops the oil for extra protection.
Water based polyurethane has very low voc content and is easy for a diyer to apply.
Unlike most other hardwood floor finishes penetrating oils don t leave a hard shell on top of the wood.
Homeowners often find this finish easy to apply making it a reasonable diy project.
Hardwood flooring is available with a number of distinct surface finishes that not only enhance the wood grain but also help protect the floor.
You may recoat a floor to completely change the color of the finish.
Prefinished floors have the finish applied during manufacturing.
It dries clear in a few hours so you can put on multiple coats in one day.
Best approach is good hardwood care and prevention in most cases.
40 to 60 per gallon covers 400 to 500.
When you have to recoat hardwood floors by other methods.