Your Cart

Our Serta Semi-Flex Steel Box Foundations are build with a wooden frame, stiff, firm metal grid for support and minimal flexing.

Available in 2 different Heights:

9″ (Standard)
5″ (Low Profile)

Standard sizing for a universal fit with any brand mattress!

These box springs are neutral in color with dark gray material so they can be added with any number of mattresses and still match great!

Note: King and Cal-King Box Foundations Automatically come in a 2 piece split style.

Dimensions:

  • Twin - 39” X 75”
  • Twin XL - 39” X 80”
  • Full - 54” X 75”
  • Queen - 60” X 80”
  • King - 76" X 80"
  • Cal-King - 72" X 84"

 

Yes! We offer delivery services for your furniture & mattress purchases!



  • Do you ship nationwide?  
    • We ship select accessories & Bed-in-a-box mattresses nationwide. Check for the "Nationwide Shipping" seal on the product page to make sure it qualifies. Orders outside of our local delivery range on non-nationwide select items will have to be cancelled. Sorry for any issues.
  • Where do you deliver to?
    • We Deliver locally, approximately a 35 mile radius around any of our stores. If you're uncertain if we can deliver to you, please contact us!
    • Select accessories & Bed-in-a-box mattresses can be shipped nationwide. Check for the "Nationwide Shipping" seal on the product page to make sure it qualifies.
  • How much does delivery cost?
    • We offer free delivery on purchases of $499 or more! A small delivery fee of $45 will be added for purchases under that threshold. Of course, you can always pick it up in store for free!
  • Can I just pick it up?
    • Of course! If you need it sooner or simply want to save money and avoid a delivery fee, then you can choose to pick up in store. We will even help you load it up and strap it down.

Recently viewed products