Door frame: 2 mm steel or stainless steel, 2 sealing degrees 1.5 mm + 1.2 mm steel door leaf. hardware: 41/2” x 4” (4mm) full mortise hinges, galvanized or stainless steel. lock: ECO. door closer: leaf width fitted ECO, YALE or ABLOY. handles and panic devices as per specs. core material: rock wool filled
