Why You Should Never Pressure Wash Asphalt Shingle Roofs
Pressure washing can quickly clean concrete paths, but asphalt shingle roofs need a gentler approach. A concentrated jet of water can strip away protective material, loosen shingles and force moisture beneath the roof covering. For Canberra homeowners, manufacturer-approved, low-pressure cleaning is a safer alternative that helps preserve the roof’s condition. How Pressure Washing Damages Asphalt Shingles It removes protective granules Asphalt shingles have