To clean outdoor surfaces, use concentrated oxygen powered cleaners, like this one, to remove dirt, mildew, algae, fungus. They are chlorine-free and biodegradable.
Install a Backyard Play Structure with Two Stories, Ladders, and Tube Slide from a Kit. You Supply and Cut the Lumber.
Build by These Winning Plans to Create a Sturdy and Stunning Outdoor Dining Table with Matching Planters of Weather-resistant Cedar