Thinning Polyurethane For Floors

If you are sanding a floor for a clear finish some call it a natural finish you must sand the floor at least 3 times.

Thinning polyurethane for floors.

You may want to thin your polyurethane for a variety of reasons. Applying oil based polyurethane. There are two main forms of polyurethane oil based and water borne poly. Be sure to catch any runs.

But lets start from the beginning. Polyurethane is a common modern wood finish that can be purchased with either an oil or a water base. Brush the sealer on with a natural bristle brush using long even strokes. The brand of polyurethane will have a huge impact on how your floors look as well as how long they last.

Apply a thin coat of minwax fast drying polyurethane using a high quality natural or foam brush. You can read more about them in this article. If you are going to use a polyurethane finish then go for the best polyurethane for floors. So the logic behind this myth which is fairly new is that the finish will dry faster if the thinner evaporates faster.

Naphtha evaporates much faster than mineral spirits or turpentine. If you are going to use a polyurethane finish then go for the best polyurethane for floors. Thinning with naphtha makes polyurethane dry faster. Dura seal 1g satin 310 polyurethane.

Do not use a belt or drum type sander for sanding between coats. For floor projects use a square buff orbital or disk type sander with 220 grit sandpaper or the equivalent grit pad or screen specifically designed for sanding between coats. Check the manufacturer s recommendations on the product label. Because you want to your finish coats to be less heavy because the polyurethane has thickened over time or just to clean your brushes or messes.

Oil based vs water borne polyurethane. If the floor is to be stained you must skip less grits and go with 36 60 80 then 100 or 120. Thin your oil based polyurethane with two parts polyurethane and one part mineral spirits. But like all varnishes polyurethane dries in two steps.

The first is evaporation of the thinner. Check the can for. You may choose to thin oil based polyurethanes with mineral spirits or naphtha but for most applications this is not necessary. Start out with 36 grit paper then 60 then 100 grit.

Some stains are self sealing. Buy on amazon.