How do you design outdoor benches to be resistant to fungal growth in damp climates?

Designing outdoor benches that resist fungal growth in damp climates requires careful material selection and protective treatments. Start by choosing naturally rot-resistant woods like teak, cedar, or redwood, or opt for synthetic materials such as recycled plastic lumber or powder-coated aluminum. Apply water-repellent sealants or fungicidal coatings specifically formulated for outdoor use, reapplying annually for maximum protection. Incorporate design elements that promote drainage, such as slatted seats and elevated bases that prevent water pooling. Regular cleaning with mild fungicidal solutions helps prevent spore buildup. For maximum durability in humid environments, consider composite materials that combine wood fibers with plastic polymers, offering both natural appearance and superior moisture resistance. Proper spacing between boards (at least 1/8 inch) allows for air circulation and faster drying. These strategies create benches that maintain structural integrity and aesthetic appeal despite constant exposure to moisture.