I have two Larson storm doors. One is at the front of my house and the other is at the back of my house. The one in the back seems to be getting water in between the door and at the bottom of the door the paint is coming off. Also it seems that the door is starting to get mildrewed in that area as well. I have these doors for almost six years but don't know what happened to the warranty. Can you tell me what can be done? Thanks.