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Kingsdown Select Semi Flex Box Spring Foundation

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    All great sleep needs an exceptional foundation, and the Kingsdown Select Foundation provides just that. Simply put, it’s much more than your average box spring. This highly durable steel bed foundation is built to last, and it always delivers a stable support system. The high-quality material produces an ultra-quiet foundation that is also crack-resistant and durable, sleep after sleep. And it’ll enhance the look of your bedroom. Wrapped in black chenille fabric to match the tape edge trim on the Kingsdown Select Mattress Collection, the metal corner guards are stamped with the Kingsdown name to make your entire bed masterfully cohesive. The attention to detail is second to none, and it’s anything but your typical bed foundation. It can fit any size mattress, so, whether you have a twin, queen or king mattress, you’re covered.


      Strong Highly Durable Metal Foundation

      Metal welded together connected to sturdy wood frame

      Foundation is designed to be squeak and crack resistant

      Availble in 5" (Low) and 9" (Reg) heights

      Split-Sizes available to purchase via Call (844-724-0858)/Chat or In-Store

      About kingsdown
      UNDENIABLE COMFORT. For over a century, the Kingsdown name has been synonymous with unprecedented quality mattresses. Every detail is considered, and we ensure superior material selection and perfection, down to the last stitch. This same care and attention to detail has been extended to our bedding accessories collection. Since 1904, we’ve never compromised on comfort, and neither should you.
      Delivery & Shipping

      Silver Service

      Includes transportation, mileage and tolls

      Home protection from outside direct and elements

      Delivery where you want - front door, side door or even garage

      Contactless delivery, meaning we won’t enter your home

      Regular $24.99

      NOW FREE

      Gold Service

      Includes all Silver services plus:

      New mattress and box spring setup

      Removal of packaging material from purchased item(s)

      Removal of old mattress set (equal to the number of pieces purchased)

      Three maximum flight of stairs purchased items can be carried


      Platinum Service

      Includes all Gold services plus:

      Five maximum flight of stairs purchased items can be carried

      Delivery and setup of up to three mattress sets

      Setup of adjustable bases purchased from Mattress Firm


      Diamond Service

      Includes all Platinum services plus:

      Five Maximum flight of stairs purchased items can be carried

      Choice of preferred two-hour delivery window at the time of purchase (based on availability)


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