Keeping the soil around your foundation moist is the key to preventing many foundation problems. In dry periods the soil adjacent to the foundation should be watered to maintain constant moisture. Proper watering is critical as the purpose is to keep the
Soil’s water content next to and under the foundation at the same moisture content.

July, August and September is when cracks in the soil often appear. You want to have initiated a watering program long before this so that the cracks do not appear. In many cases homeowners have waited too long before watering and cracks have already occurred in the soil. In many cases starting a watering program at this time is too late.