Painting Over Roofing Tar

I d use a stain hiding latex primer followed by 1 2 coats of your choice of latex paint.

Painting over roofing tar.

You need to use latex primer as an oil base primer will soften up the tar making it bleed thru the primer. 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. This adhesive water resistant material resists removal by soaps and many degreasers. Whoever did that was lazy and didn t want to dig around the foundation.

Tar paper is also known as roofing felt. Acrylic paints tar paper can be used in construction and by artists alike. Paint brush or roller. People assume that if they use waterproof paint it will be better for their roof but instead of protecting your shingles it creates a barrier that traps moisture in leaving your home at the risk of molding.

Any tar barrier should be on the exterior side of the walls never on the inside. Clean affected areas with water and a heavy duty cleaner that contains trisodium phosphate tsp as its main ingredient. Paint over a tar stain successfully by using the right materials. Tar forms a hard raised and uneven surface on the wall.

If you choose the wrong paint you are putting your roof at the risk of molding and rotting over time. It also bleeds through paint if the wall isn t properly prepared.