Dear Pat: The doors in my parents' old house had interlocking weatherstripping, and it sealed very well. Is it still available, and how can I install this type of seal ...

Replacing old weatherstripping is inexpensive and important in saving energy. In my case, not only was a bad smell getting into my house, but so was a lot of hot outside air.

It’s a good idea to change the weatherstripping when you see daylight or, in my case, when you smell something foul.