Kings are even heavier.
Can a foam mattress go on a box spring.
Placing a memory foam mattress on a box spring.
According to casper the slats on older box springs are too far apart to support the weight of a foam mattress and that lack of support can cause it to sag.
If you get a good king size memory foam mattress it will way approximately 120 pounds.
This is because memory foam mattresses are naturally heavy.
Unlike less comfortable and stable traditional mattresses memory foam can rest on any rigid and flat surface so your old box spring a bunkie board or other foundation will work.
Placing your new memory foam mattress on top of a box spring will likely cause it to sag within a few short years.
The good news is you can definitely use your box spring under your memory foam mattress.
The reason is because memory foam mattresses are heavy.
You can place it on top of a box spring to create a solid flat surface for memory foam or latex mattresses.
If your mattress loses support or falls apart because of a box spring you won t be able to file for a warranty claim.
Furniture and bedding experts tend to agree that box springs are not essential for owners of memory foam mattress.
The mattress placed directly on the adjustable allows the mattress to move freely as you raise or lower the head or leg sections.
Make certain your box spring is in excellent shape with no broken slats.
These boards are about one to three inches in height and usually come with a 10 year warranty.
Article at a glance.
A good queen memory foam mattress will approach 100 pounds.
You should never use a box spring with a memory foam mattress and an adjustable bed frame.