Can You Pressure Wash a Roof? What Homeowners Should Know
No, you generally should not pressure wash an asphalt shingle roof. High-pressure water can remove protective granules, damage shingles and force water beneath overlapping roofing materials. For common problems such as black algae streaks, a manufacturer-approved, low-pressure cleaning treatment is usually the safer choice. The right method also depends on your roof’s material and condition. […]