That s not to say you should apply each coat thickly.
Floor sanding polyurethane.
You can save thousands of dollars by adding this.
Start with 120 grit sandpaper on refinished pieces and 80 grit on new wood.
Allow the finish to dry 4 6 hours before sanding.
The dust stays in the air.
Use a very fine grit abrasive sanding with the grain of the wood.
For a smooth coating you ll want the surface to be as smooth as possible so prepare the wood by sanding it with a sanding block or orbital sander.
And now you ll have to sand the entire floor with 220 grit sand paper and clean all the dust up.
Just kidding but i truly do hate sanding when i don t have to.
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.
The best practice is to apply three coats of polyurethane allowing the floor to dry and lightly sanding it between coats.
Remove the sanding dust first with.
Sucks to be you.
Oak hardwood floors wear well and look their best when properly refinished.
Because polyurethane creates a coat of polymer over the hardwood floor it will need an inter coat scratch minimum of one time during the process.
I ll reuse these sheets several times then toss them.
Four regular coats of urethane applied one over the other is a good starting point.
Under the piece to be finished i spread out 6 mil poly to protect the floor from drips and spills and make cleanup easy.
How many coats of polyurethane for hardwood floors.
The first thing to understand is the need to begin with a thick polyurethane finish film to ensure that you don t buff right through to bare wood.
Sand the dried and cured first coat of polyurethane no sooner than 24 hours after applying it.
Refinishing sanding staining polyurethane for hardwood oak floors.
Should polyurethane for floors be sanded between coats.
Don t finish on the same day you sand.
If you are going to use polyurethane in a large area it is advisable to sand the floor with rough sandpaper.
If you do have to sand between coats of polyurethane on floors because you didn t get to the second coat within the required time frame then that s a bummer.
While not necessary polyurethane for floors can be sanded between coats for maximum smoothness.
A light sanding between coats is necessary only if polyurethane for floors has been allowed to dry for 12 hours or more.