Use alone or alongside larger cabinets for expanded storage when floor space is limited. Protect workers, reduce fire risks, and improve productivity by storing flammable fuels and chemicals in code-compliant safety cabinets. Constructed of sturdy 18-gauge (1-mm) thick double-wall, welded steel with 1-1/2" (38-mm) of insulating air space for fire resistance. High-performance, self-latching doors close easily and securely for maximum protection under fire conditions. Fail-safe closing mechanism