Some beds have two metal mattress support bars on both sides that connect to the headboard and foot board.
Can you put a full mattress on a queen bed frame.
If you are okay with a three inch overhung then it s okay to put a queen mattress onto a full platform bed.
Since the metal bed frame dimensions are set for a full size mattress you will need to loosen the fasteners and make the bed frame 6 inches wider and 5 inches longer so the queen size mattress fits.
Plus many of the full platform beds can easily accommodate a standard queen size bed box which is great.
Other beds have a four sided metal mattress support frame that adjusts to different widths to support a twin full or queen size bed.
However it would still leave gaps between the mattress and the side of the bed.
Only a queen bed frame that uses extensive cross support such as a frame that uses a large number of wooden slats would be able to support a full sized mattress.
To put a queen size mattress on a double sized iron bed with a frame that is welded onto the headboard and footboard install a set of 4 l shaped brackets to the metal side rails allowing a.
You do not have to adjust the bed frame very much.
For the bed with a wooden headboard and foot board and two metal mattress support bars check to see if the support bars are adjustable and can adjust from 80 inches for a queen size bed to the 75 inches for a full size bed.