Round the longest side’s width and height up to full inches to find the replacement door size you need. For example, if the longest side of your door measures 35-3/4 inches wide and 79-1/2 inches tall ...

Q. The threshold on my back door is splitting. I’d like to repair it, or replace the entire door, frame, and threshold. I can’t afford to have it done. How hard is it to install a prehung door? What ...

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 ...