Concrete Waterproofing

Waterproof your driveway or concrete slab!

Filling expansion joints or other existing cracks with a silicone or polyurethane caulk is one of the best ways to extend the life of concrete and prevent damage. This is commonly done on residential driveways, but it is beneficial for any concrete slab. Preventing water from flowing under concrete is one of the most important things you can do to keep it from lifting or sinking over time. Caulking the expansion joints and any existing cracks is the best way to stop this from happening. At the Schilling Group, we use industrial-grade caulking, which is higher quality, adheres better and lasts longer.

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The Benefits

Prevents erosion

Filling the expansion joints with caulk prevents water from flowing under the concrete and eroding the soil the concrete is resting on. Over time, water will wash away some of that soil and cause that slab to sink.

Prevents damage from freeze-thaw cycles

Similar to erosion, water can flow into the joint and under the concrete and freeze during the winter months. This causes the slab to lift and potentially crack.

Keeps dirt, weeds and grass out of the expansion joints

Caulking the expansion joints also prevents dirt from building up, and weeds, grass and other plants from growing through the slab. Not only is this unattractive, the roots from these plants can also cause damage over time.


While gray caulk is most common, it does come in other colors. Sand can also be sprinkled over the top for a seamless look with the concrete.

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