For power washing, wear PPE that protects you from high-pressure spray, flying debris, chemical splashback, noise, and slippery surfaces. The essentials are sealed safety goggles or a face shield (ideally both for higher-risk jobs), waterproof chemical-resistant gloves, non-slip sturdy boots (often with toe protection), and protective clothing such as coveralls, a waterproof rain suit, or an apron to reduce cuts, impact, and splash injuries. Add hearing protection when...