When selecting outdoor furniture for soundproofing, durability and acoustic performance are key factors. The most resilient materials include powder-coated aluminum, which resists rust and weathering while dampening noise. Teak wood is another excellent choice, known for its natural resistance to moisture and decay, along with its ability to absorb sound. High-density polyethylene (HDPE) wicker is lightweight yet sturdy, offering both longevity and sound-dampening properties. For modern solutions, consider concrete or stone-based furniture, which provides exceptional mass to block sound. Lastly, stainless steel with rubberized coatings combines strength with noise reduction. These materials ensure your outdoor space remains both stylish and acoustically comfortable for years.