Why Is My Home's Brick Showing Signs of Water Damage?

Brick is naturally porous, meaning it absorbs water from rain, snowmelt, and even humid air. In a humid continental climate like Michigan's, the freeze-thaw cycle is a major culprit. When water seeps into the brick and then freezes, it expands and can crack the surface, a process called spalling.

Another common sign is efflorescence, a white powdery deposit left behind when water evaporates and leaves mineral salts. This usually points to water moving through the brick from somewhere else, like a leaky gutter, a cracked sill, or poor grading that lets water pool against the foundation.

Water that stays trapped in brick can lead to serious structural problems over time. The freeze-thaw cycle can cause bricks to break apart, and moisture can rot wooden framing behind the brick. Mold can also develop, which is a health concern.

The longer you wait, the more extensive the repair work becomes. You may need to replace damaged bricks or address interior wall issues. Finding the leak early and drying the brick out can save you from larger, costlier repairs down the road.

Keep gutters and downspouts clear so water flows away from your home. Make sure the ground slopes away from the foundation, and seal any cracks in mortar or around windows. These simple steps can reduce the amount of water that reaches your brick.

Consider scheduling a professional inspection before winter sets in, especially if you notice any signs of moisture. A water damage inspection can catch small issues before they turn into big problems. Policies vary, and your insurer decides what is covered.