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When Should you Buy a New Box Spring/Foundation?

Does your New Mattress Need a New Box Spring?


box springWhen shopping for a new mattress, you may wonder whether you should buy a new box spring (foundation) as well. You may also wonder if it would help to replace your box spring periodically regardless of a new mattress. While box springs can be a vital part of your bed set, they generally aren't as prone to wear and breaking down as the actual mattress. It is usually not necessary to replace your box spring every time you replace your mattress, but if a box spring has any major defects like broken slats or noticeable sagging then it is probably not providing adequate support.

Does your New Mattress Need a New Box Spring?


  • You do not have a box spring or platform bed appropriate for your mattress
  • Your current box spring has broken slats
  • Your current box spring has noticeable sagging

Does your New Mattress Need a New Box Spring?


A box spring (also known as a foundation) is a wooden frame that uses either springs or metal rods to provide a supportive base for the mattress. The box spring should be the same size as the mattress that sits on top of it and ensures that there is a flat, solid surface to reduce sagging and extend the lifespan of the mattress.

Box springs will also raise the height of the mattress, with low-profile box springs giving more options for your total bed height. Box springs also absorb shock to reduce wear on the mattress itself. In a complete bed set, box springs are typically placed on a bed frame which is connected to the headboard and footboard. It is also common to see mattresses and box springs used together without a complete bed frame. Those who don't feel the need to have a decorative looking bed can simply place their box spring on the floor or on casters with the mattress on top.

Does your New Mattress Need a New Box Spring?


Most manufacturers require that your mattress be supported by a box spring in order to file a warranty claim. An exception to this is when the mattress is used on a platform bed. Since platform beds feature either wooden slats or a deck, the mattress should not require the additional support of a box spring. If you're unsure whether or not you should purchase a box spring with your new mattress, or if you have questions about a box spring you found on our site, give us a call at 1-800-455-1052 to speak with a friendly mattress expert who will be happy to assist you further.