Pressure cleaning is suitable for durable exterior hard surfaces such as concrete driveways, pavers, patios, stairs, retaining walls, garage floors, and pool surrounds. Painted, sealed, weathered, or fragile surfaces often need lower pressure or a soft washing method instead. Common surfaces for pressure cleaning are durable exterior hard surfaces that collect dirt, algae, mould, traffic film, grease, and weather-related buildup. These surfaces usually include concrete driveways, footpaths, pavers,...