Bob Vila Radio: Maintaining Brick

Of all the commonly used materials in homebuilding, brick ranks among the most durable, but in order to look and perform its best, occasional maintenance is necessary. These tips can help you clean brick, whether it's inside or outdoors.

Stately and strong, brick has been a popular building material for centuries. Though it seems impervious, brick needs occasional attention to ensure its longevity and structural integrity.

How to Clean Brick

Photo: shutterstock.com

Audio clip: Adobe Flash Player (version 9 or above) is required to play this audio clip. Download the latest version here. You also need to have JavaScript enabled in your browser.

Listen to BOB VILA ON MAINTAINING BRICK or read the text below:

Once a year, clean your brick exterior with a garden hose fitted with a spray nozzle. If you notice moss, mold, or mildew—typically in low-sunlight areas—use a scrub brush to apply a solution of bleach (one cup) and water (one gallon). Give the brick a thorough soaking first to help prevent it from absorbing the bleach. Protect your plantings and use a natural- or synthetic-bristle brush. Don’t use a wire brush that could leave behind metal that would discolor the brick.

As you clean, check to make sure the weep holes are clear. These are typically vertical breaks in the mortar at intervals above the foundation (and often above and below windows and other openings). Also, be on the lookout for water damage, whether it’s soft or cracked mortar or flaked or chipped brick. Efflorescence—a white, chalky coating—can also be a sign of moisture. Water damage may be the result of weather, improper drainage, or rising damp (water wicking up the porous brick). Whatever the cause, it’s made worse by freeze-thaw cycles, so don’t wait long before having damaged brick replaced and repointed.

Bob Vila Radio is a newly launched daily radio spot carried on more than 75 stations around the country (and growing). You can get your daily dose here, by listening to—or reading—Bob’s 60-second home improvement radio tip of the day.