Many floor finishers believe that this is the most beautiful floor finish in the world.
Shellac over painted floor.
May be used as a sealer and stain killer on drywall cured plaster and new wood.
It takes longer to dry and it doesn t dry as hard.
That clear coat makes painting over polyurethane or varnish impossible unless you follow these three simple tips.
Use denatured alcohol to thin and clean.
Not recommended for wood that will be exposed to moisture.
After the shellac has deteriorated a few years in the can the finish you apply over it may wrinkle.
With the proper preparation you can make an old piece look new again.
It does require a few steps to ensure that the paint adheres to the surface.
Apply 2 to 3 coats of paste wax and buff between coats to a deep gloss.
Water based oil modified polyurethane is a relatively new product that combines the durability of an oil base with the cleanup of a water base.
It s what i used when i painted my tile floor and the ikea trofast drawer units and it s held up amazingly well.
Additionally shellac isn t typically a coating for floors.
Using wax over a shellac finish.
Quick drying sealers to put over painted floors.
It also can go over oil based finishes and can be applied using synthetic bristle brushes a foam roller or a rag as can other water based polyurethanes.
Painting a wood or concrete floor can be a complicated process that involves floor filler sandpaper and several coats of paint.
Provides a hard finish that dries quickly.
May break down over time.
A third issue is shelf life.
Painting over varnish is a great way to modernize and revive old furniture.
With all the modern advances in coatings polyurethane shellac urethane or varnish some confusion about formula is to be expected.
Laminate flooring as a substrate is man made so placing a clear coat over it is usually a poor choice since most laminate floor planks have a high density aluminum oxide as a final coating which makes it very difficult for the polyurethane or any coating for that.
Apply the shellac at container consistency and let dry for 2 hours.
Most professionals agree that water based varnish is the best product to use over paint.
Zinsser b i n primer is a shellac based primer that will stop tannin bleed in its tracks.
So once it s done.
Sand the floor with 120 to 200 grit paper and remove all dust.
Once shellac is dissolved in alcohol it begins deteriorating more rapidly in hot temperatures.
Varnish can be used to protect preserve and enhance paint.