For many Atlanta homeowners, grabbing a rented pressure washer and a jug of bleach seems like a quick weekend project to boost curb appeal. Unfortunately, the wrong techniques can lead to serious damage that costs thousands of dollars to fix. Georgia’s humid climate, long pollen season, and stubborn red clay stains make improper house washing even riskier here than in other regions. What starts as a shiny exterior can quickly turn into peeling paint, water intrusion, roof damage, or even ruined landscaping. …