What are the fire-retardant properties of canvas outdoor bench materials?

Canvas outdoor bench materials are often treated with fire-retardant chemicals to enhance their safety and durability. These treatments slow down the spread of flames and reduce the risk of ignition, making them ideal for public spaces and commercial settings. Fire-retardant canvas is typically coated with substances like ammonium sulfate or borax, which create a protective barrier against heat and flames. Additionally, some high-quality canvas fabrics are inherently flame-resistant due to their synthetic fibers, such as polyester blends. When selecting canvas for outdoor benches, look for certifications like NFPA 701 or ASTM E84 to ensure compliance with fire safety standards. Proper maintenance, such as avoiding prolonged exposure to extreme heat, can also help preserve these fire-retardant properties over time.