Though suspended ceilings (above, right) remain the most popular ceiling system option, facility managers report that 17% of their total building square footage still features an open plenum ...

Building a ceiling bulkhead while framing around ductwork carefully.

Q:We live in a split-level town home that has high ceilings on the first level. I think they are 15 to 16 feet. We have a bedroom on this level that is used as an office and that we convert to a guest ...