Should I replace my box spring? Yes! A good foundation is as important as a good mattress!

Does a Sealy Posturepedic need a box spring?

You must order 2 box springs for these mattresses. It's still important to support your Sealy mattress with a foundation to help prevent bowing or sagging.

Do Sealy mattresses have springs in them?

The Sealy Posturepedic range is based on a history of orthopaedic research to provide the right amount of posture support for your needs. Different springs provide different support. The springs inside a Posturepedic mattress are inner spring coils.