The metal frame can properly distribute your body weight the weight of the mattress but only when placed on top of a box spring.
Does a memory foam mattress require a box spring.
However they do need a foundation a solid structure with a flat surface or slats less than 3 inches apart.
This is because memory foam mattresses are naturally heavy.
Placing your new memory foam mattress on top of a box spring will likely cause it to sag within a few short years.
So does your memory foam mattress need a need box springs.
If your mattress loses support or falls apart because of a box spring you won t be able to file for a warranty claim.
If you get a good king size memory foam mattress it will way approximately 120 pounds.
Memory foam mattresses require a box spring if you use a metal bed frame.