Houston has heat and high humidity for most of the year. Moist air sticks to walls and concrete. Over time, algae and mildew begin to grow. Pollen from trees settles on roofs and siding. Stormwater leaves behind dirt. Concrete and brick absorb grime slowly. It builds up layer by layer. That is why some areas look darker even when they are still strong. Now it helps to know which spots give the best results after cleaning. Exterior Surfaces That Deliver the Best Results Drive
