Most professionals agree that water based varnish is the best product to use over paint.
Shellac over painted floor.
Once shellac is dissolved in alcohol it begins deteriorating more rapidly in hot temperatures.
Provides a hard finish that dries quickly.
Sand the floor with 120 to 200 grit paper and remove all dust.
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.
May break down over time.
After the shellac has deteriorated a few years in the can the finish you apply over it may wrinkle.
It s what i used when i painted my tile floor and the ikea trofast drawer units and it s held up amazingly well.
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.
That clear coat makes painting over polyurethane or varnish impossible unless you follow these three simple tips.
Painting a wood or concrete floor can be a complicated process that involves floor filler sandpaper and several coats of paint.
With the proper preparation you can make an old piece look new again.
Apply the shellac at container consistency and let dry for 2 hours.
Additionally shellac isn t typically a coating for floors.
It takes longer to dry and it doesn t dry as hard.
You ll need sandpaper or deglosser primer and paint.
Quick drying sealers to put over painted floors.
Apply 2 to 3 coats of paste wax and buff between coats to a deep gloss.
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.
May be used as a sealer and stain killer on drywall cured plaster and new wood.
Ideal for furniture and floors.
Many floor finishers believe that this is the most beautiful floor finish in the world.
Using wax over a shellac finish.
So once it s done.
Zinsser b i n primer is a shellac based primer that will stop tannin bleed in its tracks.
A third issue is shelf life.
This product can actually be used on wooden floors.
It does require a few steps to ensure that the paint adheres to the surface.
Use denatured alcohol to thin and clean.
Not recommended for wood that will be exposed to moisture.