Painting Over Spray Foam

Only water based acrylic or latex paint should be used on foam insulation whether you are using the material for crafts or are painting unfinished walls.
Painting over spray foam. Painting over spray foam insulation is not a straightforward undertaking. Paint over the gesso with water based latex paint in the color of your choice. It is also beneficial because it is much gentler on the spray foam. Fill in cracks with insulating foam and then paint it.
Regular spray paints such as latex or enamel ones eat up the styrofoam once you spray the paint onto it. Apply as many layers as needed for full coverage and let dry. Use foam brushes or a roller. Painting over spray foam insulation is not a straightforward undertaking.
This liquid foam sprays out of a can through a straw directed exactly where you want to fill gaps. If you are researching can you paint over expanding foam because you are planning on painting over expanding foam in your home using spray paint is a favourable option. Avoid any oil based or other solvent based. This is because it takes far less time compared to painting over it with a usual bristle brush or roller.
Avoid using spray paints as they will dissolve the styrofoam. After allowing the foam to harden and cure sufficiently you can paint it any color you want to ensure that it blends with surrounding surfaces.