Personal security is something else to think about when you ponder replacing your old, ill-fitting garage door. Warn components and locks mean that you have a weak link in your home security. A big proportion of home invasions occur through garage doors and most through old ones. Modern garage doors will add an extra dimension to your home security. For example, an insulated, steel door that has an access code to control the automatic opener is something that the average burglar is just not going bother trying to get through and will most definitely give you a greater peace of mind at night.