A foundation is a modern box spring without the springs. It uses a steel grid or wood slats to provide even support without bounce—ideal for today’s mattresses.

Understanding whether you need a boxspring or foundation for your mattress is crucial. Often, these terms are used interchangeably, with modern boxsprings essentially acting as foundations without actual springs. The necessity of a boxspring or foundation depends largely on your bed frame.

For Traditional Bed Frames: If your bed frame has fewer than 10 slats or crossbars, a boxspring or foundation is necessary. It provides a level, stable surface, ensuring your mattress is properly supported. This helps in maintaining the mattress's structure and can extend its lifespan.

For Platform Beds: Many contemporary bed frames are designed as platform frames. These usually include 11 or more slats or a solid steel grid, eliminating the need for a separate foundation. Platform beds offer sufficient support for your mattress on their own.

Adjustable Bases: The rising popularity of adjustable bases, which can raise and lower your head and feet, has also influenced mattress support. These bases are self-supporting and designed to offer optimal mattress support without needing an additional foundation.

Importance of Proper Support: Regardless of your bed type, ensuring your mattress rests on a solid, level surface is vital. This not only helps in keeping your spine properly aligned but also enhances the overall comfort and durability of your mattress.

Further Guidance: For more information on choosing the right foundation for your mattress and insights into various bed types, you can explore our detailed Mattress Buying Guide. Here, we also offer a range of accompanying products that complement your mattress choice, ensuring you have everything you need for a great night’s sleep.

No assembly is needed. The foundation arrives fully built—just unbox and place it on your bed frame.

Yes. It’s designed to support all mattress types, including memory foam, innerspring, latex, and hybrid models.

Yes. The welded steel truss system and Semi-Flex® grid prevent creaks and flexing, offering a quiet sleep experience.

The non-skid fabric keeps your mattress securely in place, preventing shifting or sliding during the night.

This 9 inch high profile king mattress foundation is available in store across Oklahoma with same-day delivery. You can also order online for next-day delivery to most Oklahoma addresses. Financing is available through Affirm, Snap, and Synchrony.

Yes. This foundation is available in queen size and provides the same 9 inch high profile height as the king version. It works with all queen size mattress types including memory foam, hybrid, latex, and innerspring.

Yes. This 9 inch high profile steel foundation is a direct box spring replacement. It provides the same height and support as a traditional box spring while offering a firmer, more durable steel construction that works with all mattress types including memory foam, hybrid, latex, and innerspring.

A high profile foundation is a mattress base with a taller height, in this case 9 inches. The extra height raises your sleeping surface for easier in and out of bed, adds under-bed storage space, and gives a more traditional bed appearance compared to low profile options.

Yes. The Semi-Flex steel grid provides the firm flat surface that memory foam mattresses require for proper support. Unlike a traditional coil box spring, this foundation does not flex or sink under the weight of a memory foam mattress, which helps maintain its shape and comfort long term.