Brick spalling—which refers to the crumbly, flaky, or pitted appearance that can develop over time—is caused by a few different conditions. These include:

• Climates with constant freeze-thaw cycles

• Use of non-breathable sealants

• High-pressure water cleaning

• Improper installation

While you can’t do anything about the weather, you can preserve your bricks by cleaning them with soapy water and a good old-fashioned scrubbing. Pressure washers may be satisfying to use, but they can eventually wear away the surface of your bricks. If you don’t have advanced-level DIY skills in masonry, you can hire a reputable masonry contractor in your area for your project.

Yes, it is normal to see some minor hairline cracks in brick or mortar over time, often due to natural foundation settling. However, not all cracks are harmless. You should be concerned and contact a masonry professional for an inspection if you notice cracks that are getting wider or longer, or if new ones keep appearing. Other serious warning signs that can indicate significant structural or foundation damage include large vertical cracks (especially those that widen as they go up), stair-step cracks, L-shaped cracks, and deep horizontal cracks. Factors like temperature changes, moisture, and structural loading can also cause cracks to form or worsen.

Mortar, or masonry mortar, is mainly used in joints and as parging for stone, brick, or cement construction. Stucco is primarily a surface material used as wall coverings. For maintenance, masonry will need repointing or replacing as damage or land shifting occurs, whereas stucco will need patching or refinishing as it tends to crack over time along with other types of wear-and-tear.

Masonry work tends to be more expensive because the materials can be costly, such as natural stone and brick. Masonry is also very labor intensive, typically making up 50% or more of the final project cost. In addition, quality masonry work requires years of training and experience, as with any skilled trade.