When it comes to polyurethane you have two choices.
Polyurethane over varnish floor.
You can manufacture it to be hard like wood spongy like upholstery.
If the wood grain is visible brush in the direction of the grain.
So you will end with a blotchy looking floor.
If you want a rich color without having to reapply coats an oil based poly is your best bet.
Minimize this problem by applying thinner coats or by switching from standard brush on poly to a wipe on or spray finish both of which can be applied in very thin coats.
High clarity protective coating for indoor wood projects provides a crystal clear finish.
We rate this product as the best polyurethane for floors thanks to its many reliable features.
Clear semi gloss water based interior polyurethane is specially formulated to let wood s natural beauty shine through.
If you choose to brush the polyurethane choose a direction and keep brushing in that direction.
It s a satin finish with so much ease of usage and comes at relatively low prices making it best for people working on a budget.
Polyurethane will not make a wood floor any harder than it already is.
While you can buff wax over shellac you cannot apply one of the polyurethane finishes over it so if you decide to change your floor s finish you ll need to completely strip away the shellac.
Additional coats of polyurethane will not reduce the dings and dents.
If you re looking for a more natural appearance with a low odor going with a water based poly is the right decision.
Clear semi gloss water based interior polyurethane varathane 1 gal.
It s best to apply polyurethane to flat as in level surfaces so the finish can self level and is less likely to drip.
It s durable flexible and resilient.
Polyurethane is a very useful product with multiple uses.
For those individuals who don t know specifically what polyurethane is it s a synthetic product that works in the same way as paint rubber metal wood and other materials do.
The best method is have the floor prepared for recoating as described above and then have a very thin coat of polyurethane applied to minimize finish build up.
Clean under cabinets or baseboards to ensure that no dust balls fall on your floor as you apply the polyurethane.
When applying polyurethane on vertical surfaces you may experience drips or runs.
Bona mega wood floor finish satin 1 gallon our best overall product.
Polyurethane is recommended over varnish for hardwood floors.