Q: I have a house that was built in the 1970s and that has a flat roof with a small parapet wall around it. Can I have a pitched roof put on top of the flat roof? Do homeowners ever do that? A: Yes, ...

Flat roofs, defined as roofs with a pitch of 2/12 or less, are designed to be nearly level. They do offer certain benefits, including easier access for maintenance and the potential for additional ...