Commercial metal doors feature 16-18 gauge steel, polyurethane insulation, fire-rated construction & multi-point locks for high-traffic durability. Custom sizes up to 4x8ft, weatherproof seals reduce energy costs. Ideal for offices, warehouses – low maintenance, superior strength against forced entry. https://cityofarticle.in.net/article/harmony-bathroom-steel-door-the-perfect-balance-of-style-strength-and-moisture-resistance