A11 steel front door delivers security, efficiency and style in 1-complete solution. Built with zinc-galvanized steel over a reinforced pine frame, this door provides reliable protection while maintaining modern look. The construction includes thermal breaks and high-density foam insulation to help regulate indoor temperatures. A double-loop seal system combined with a stainless steel threshold creates an effective barrier against drafts, moisture and noise. Available in prehung configurations with optional sidelites and transoms in 3-glass types: Clear Glass for unobstructed views, Frosted Glass for privacy, or innovative Stop-Vision Mirrored Glass that appears as a mirror from outside while maintaining perfect clarity from inside. The durable paint finish resists UV damage to maintain its appearance over time. Concealed hinges ensure smooth, quiet operation with a streamlined look. Built with strong steel construction, the Diamond is engineered to perform reliably in a wide range of climate conditions. Our doors come with a 2-year product warranty. Color: Anthracite/Anthracite/Frosted.