When selecting outdoor benches, it's natural to wonder about chemical treatments in the wood. Most commercially available outdoor benches undergo some form of treatment to enhance durability against weather elements. Pressure-treated wood typically contains preservatives like ACQ (Alkaline Copper Quaternary) or micronized copper azole, which protect against rot and insects. These modern treatments are generally safer than older arsenic-based options but still warrant caution.
For those concerned about chemical exposure, several alternatives exist. Naturally rot-resistant woods like cedar, redwood, or teak require minimal chemical treatment. Thermally modified wood uses heat instead of chemicals for preservation. Many manufacturers now offer water-based sealants and plant-derived oil treatments as eco-friendly options.
Always inquire about the specific treatment used by the manufacturer. Look for certifications indicating low VOC emissions and environmental safety. Proper sealing and maintenance can further minimize potential chemical exposure while extending your bench's lifespan. Whether you choose treated or untreated wood, understanding these factors ensures you make an informed decision for your outdoor space.