How do you design outdoor benches to be resistant to damage from acidic rain?

Designing outdoor benches to withstand acidic rain requires careful material selection and protective measures. Start by choosing corrosion-resistant materials such as powder-coated aluminum, stainless steel, or high-density polyethylene (HDPE) plastic. These materials naturally resist chemical reactions caused by acid rain. For wooden benches, opt for naturally durable species like teak or cedar, and apply a weather-resistant sealant with UV protection.

Consider adding protective coatings like epoxy or polyurethane finishes to metal surfaces, creating an extra barrier against moisture and acid erosion. Ensure proper drainage in the bench design to prevent water pooling, which can accelerate corrosion. Regular maintenance, including cleaning and reapplying protective coatings, will significantly extend the bench's lifespan in acidic environments.

For maximum durability, look for benches with galvanized or powder-coated hardware, as these treatments provide superior protection against rust and corrosion. By combining these strategies, you can create outdoor seating that remains functional and attractive despite exposure to acidic precipitation.