Queen 79”L X 58.5”W (Height adjustable of Recessed Steel Legs to 8”, 11.5” and 15”) Split King (Each Base) 79”L X 37”W (Height adjustable of Recessed Steel Legs to  8”, 11.5” and 15”)

The adjustable base is compatible with most innerspring, hybrid, foam, and air mattresses.  Check with your mattress manufacturer for compatibility with an adjustable base. Please check measurements with your furniture manufacturer.

No, there is no need for a metal bed frame or a foundation. The Adjustable Base replaces both these items. The mattress will be directly on top of the base which offers the same support...