If you choose the wrong paint you are putting your roof at the risk of molding and rotting over time.
Painting over roofing tar.
I d use a stain hiding latex primer followed by 1 2 coats of your choice of latex paint.
Clean affected areas with water and a heavy duty cleaner that contains trisodium phosphate tsp as its main ingredient.
As long as the tar is well adhered you shouldn t have any issues painting it.
In roof installation this type of paper is installed between the surface and the roof tiles to create a waterproof barrier to protect the home or structure.
Follow the manufacturer instructions and use a sponge mop in circular.
There is no paint or primer that i know of that will stick to tar and even if one did it wouldn t last because tar expands and contracts too much.
Whoever did that was lazy and didn t want to dig around the foundation.
Paint brush or roller.
This adhesive water resistant material resists removal by soaps and many degreasers.
You need to use latex primer as an oil base primer will soften up the tar making it bleed thru the primer.
Any tar barrier should be on the exterior side of the walls never on the inside.
Paint over a tar stain successfully by using the right materials.
Tar paper is also known as roofing felt.
Acrylic paints tar paper can be used in construction and by artists alike.