door jamb thickness

I have a 9 1/4" opening (total width of wall including 5/8" sheetrock on each side) that I need to find a pre-hung 48" double raised panel door to fit - each door needs to be 24" wide by 80" tall. Is it possible to buy a pre-hung door with a door jamb this wide? If so where - brick and mortor...

I live in a 1st floor condo and I have decided to add green glue and a layer of 5/8" drywall to 2 shared walls. One of the shared walls is only shared for 2/3 of the way down the wall and then I have a door that goes to the exterior. Obviously I'm only concerned about adding the extra layer on...

I live in a 1st floor condo and I have decided to add green glue and a layer of 5/8" drywall to the entire ceiling and 2 shared walls. How do I extend the a/c grilles down an extra 5/8" to accomodate the new finish height? Do they sell extensions of some sort or do I just attach the finish...