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Stone veneer siding is approximately four times less expensive than stone because it's made of concrete and aggregates instead of natural stone. But veneer looks like real stone, is easier to install, and acts as a great, durable siding option. 

Mortar is a mixture of sand and cement that binds materials, such as bricks, stones, and concrete blocks, together. Think of it as the glue that fills in the gaps between bricks and stones, then seals them in place to prevent damage or deterioration. Mortar also helps spread the load across a wall or structure, keeping cracks and shifting at bay.

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.

Painted exterior brick does not usually need sealing. Brick is a porous material, so you don’t want to apply a sealant that could trap moisture inside the bricks and cause erosion and structural damage. The risk of moisture-induced damage after sealing is higher in colder climates where trapped moisture can expand if it freezes. On the other hand, it makes sense to seal really old brick or kitchen backsplashes, where moisture from cooking can weaken the brick.