Chrome Door Numbers and Lettering Have you ever tried to add chrome door numbers and lettering to a wooden door? It can be very difficult but also very easy. First of all, if you have wooden doors, this is the easiest way to dress them up without any complicated skills. If your door is solid wood, the entire project would take only a few hours from start to finish and will give your house a brand new look. It is important to note though that a professional can help you out in this matter.