Frames and Foundations

Posh mattresses are heavier than traditional mattresses and your previous mattress because they use natural latex rubber and 2.0 and 3.0 density foams.

Boy lying on the floor under a bed, holding a flashlight that illuminates his face in a dark room.

Posh mattresses require a center support in the frame of queen and king mattresses.

Posh mattresses require a solid surface adjustable foundation, a Posh+Lavish flat foundation (available in 9”, 5” and 2” models,) a BedTech X Plat foundation, a new Tempur Pedic foundation, a new new Kluft foundation, a new Aireloom foundation, a new Stearns and Foster foundation, a slatted foundation with spacing of slats less than 3” apart or a platform bed with slats less than 3” apart.

For more details about these foundations required to satisfy your warranty, please see our warranty.