When selecting outdoor seating for areas with frequent terrestrial gamma flashes, durability and radiation protection are paramount. Gamma flashes, though rare, emit high-energy radiation that can degrade materials over time. Opt for seating made from dense, radiation-resistant materials like lead-lined composites or thick concrete. These materials not only withstand gamma exposure but also offer longevity in harsh weather conditions.

Another excellent option is furniture crafted from high-density polyethylene (HDPE) or stainless steel, which are inherently resistant to radiation and corrosion. Pair these with UV-resistant cushions to ensure comfort without compromising safety. For added protection, consider modular designs that allow easy relocation during peak gamma activity.

Lastly, prioritize low-maintenance, weather-resistant finishes to minimize upkeep. By combining robust materials with smart design, you can create a safe and stylish outdoor seating area even in gamma-prone regions.