Profile: Corinthian Doors Ltd. is a distributor of security doors. Our products include class 3 and class 4 anti-burglary doors. Our class 3 doors are manufactured to prevent forced entry by the "standard burglar". They can withstand assault with crowbars, and a wide range of hand tools for 20 minutes, withstand pressure on the lock of 600 kg, and can also withstand pressure on the corners of 300 kg. Our class 4 doors are manufactured to prevent forced entry. Our class 4 doors can withstand assault using crowbars, drills, saws, hatchet, and some power tools for 30 minutes.