Can Mortar Color Be Changed

If you have a fireplace, stone wall or other bricked area with mortar that is not to your liking, there are two basic ways you can change the color of the mortar: applying a muriatic acid to the surface of the brick or re-applying new mortar.

Can you lighten the color of mortar?

If the mortar is just a touch too dark and you want to lighten it up a wee bit, start with a 10 percent solution of muriatic acid. Apply the solution to the mortar joints only using a small bristle brush or similar device.

Can brick mortar be colored?

The most common mortar color selections are standard gray, white, and buff. … This mortar selection pulls out the terra cotta tones on the brick offering a softer contrast throughout the look of the wall. As with most design selections, interior or exterior, mortar colors are offered at different price levels.