If oil based now then can generally use oil mineral spirits or acrylix latex or latex or latex enamel over it if latex or acrylic only latex or acrylic latex and some enamels thogh some enamels can only go over oil or enamel paints successfully because some have oil or mineral spirits paint thinner based solvents.
Can i paint over a painted concrete floor.
Latex floor paint is great for interior concrete floors but it is not suitable for high tire traffic areas.
In a theoretical sense yes you can apply concrete stain over a painted concrete floor or wall.
First a surface more textured and solid must be applied over the painted concrete.
Moisture will prevent the primer and paint from adhering properly.
Use a durable oil based epoxy paint that has been formulated to withstand the abuse of.
An easy way to tell whether the floor is dry enough is to place a small.
Clean the concrete thoroughly with trisodium phosphate tsp and warm water then let dry.
Repainting concrete surfaces is a bit more demanding than painting freshly laid concrete.
Spread the paint evenly brushing over any thick patches until the paint is smooth and thinned out.
Painting concrete is a simple and inexpensive task that can be completed by most homeowners.
Mortar cannot be installed directly over painted concrete itself.
With a bit more preparation though you can cover even a painted floor successfully giving you the hard level surface you need for any floor covering you may choose.
A painted concrete floor can interfere with the leveler however preventing the leveler from binding successfully with the concrete.
This surface is called a scratch coat.
Brush the coating around the perimeter of the floor with a 3 inch wide paintbrush.
Use patching compound to fill any holes scratches or gouges in the concrete surface.
In order to successfully paint concrete or other masonry surfaces you must clean and prep the area properly apply an appropriate paint and allow adequate time for the paint to cure.
However that stain will not take hold of the painted surface at all leading to a suboptimal coating that may not protect the painted surface beneath.
Wait until your concrete floors are dry before you prime.