Q: The threshold on my front door is ruined, and I need to replace it. I have a single door that is about 15 years old. I don’t want to replace the entire door, just the threshold. I would appreciate ...

Q. Could you please write about adjusting interior doors as a house settles? This is a common problem, which occurs in my home and the homes of other family members. For example, doors become tight ...

Q: My old doors don't seem airtight anymore and they show years of use. What are some inexpensive improvements I can make ...