Investing in iron front doors represents an excellent solution for your peace of mind. Such doors are very strong and hard to break into, but they are also very durable if maintained by the book. However, there are more things to pay attention to. Assuming that you have already decided on a model to complement the appearance of your house, it is imperative to ensure that the doorway measurements can actually accommodate the new iron door. If you buy the door without measuring the doorway and the door is too large, you will need to enlarge the doorway, which is quite stressful.