Floor Sanding Polyurethane

Refinishing sanding staining polyurethane for hardwood oak floors.

Floor sanding polyurethane.

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. You can save thousands of dollars by adding this. Don t finish on the same day you sand. Remove the sanding dust first with.

Start with a thick coating. Before the finishing starts i vacuum the project the workbench and the floor. And now you ll have to sand the entire floor with 220 grit sand paper and clean all the dust up. Under the piece to be finished i spread out 6 mil poly to protect the floor from drips and spills and make cleanup easy.

The best practice is to apply three coats of polyurethane allowing the floor to dry and lightly sanding it between coats. A light sanding between coats is necessary only if polyurethane for floors has been allowed to dry for 12 hours or more. How many coats of polyurethane for hardwood floors. That s not to say you should apply each coat thickly.

While not necessary polyurethane for floors can be sanded between coats for maximum smoothness. You ll get the best results from your topcoat if you remove any old paint varnish or other finishes before polyurethane application. Sucks to be you. Just kidding but i truly do hate sanding when i don t have to.

I ll reuse these sheets several times then toss them. 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. The dust stays in the air. Sand the dried and cured first coat of polyurethane no sooner than 24 hours after applying it.

Use a very fine grit abrasive sanding with the grain of the wood. Start with 120 grit sandpaper on refinished pieces and 80 grit on new wood. If you are going to use polyurethane in a large area it is advisable to sand the floor with rough sandpaper. Four regular coats of urethane applied one over the other is a good starting point.

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. 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. 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.