Soft washing uses low-pressure water mixed with specialized cleaning solutions to remove algae, mold, and mildew from roofs without the risk of damage that comes with high-pressure systems. This method is safe for both shingles and tiles because it gently lifts dirt and biological growth off the surface, rather than blasting them away with force. The cleaners break down the buildup so it can be rinsed off easily, helping to preserve roof materials and extend their lifespan. With this technique, there’s little chance of water getting pushed under the shingles or tiles, which could otherwise lead to leaks. It’s considered one of the best options for sensitive or older roofing materials that need a careful, thorough cleaning.