Five Inch Foundations

Find Five Inch Foundations at Mattress Firm to help complete your bedroom setup with a foundation that fits your mattress and space. Explore available options to choose the right foundation for your sleep setup.

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Tempur-Pedic Charcoal Box Spring Foundation

1346

Starting at

$255⁰⁰

Sleepy's Basics Easy Assembly Box Spring

188

Starting at

$199⁹⁹

Sherwood Monarch Box Spring Foundation

Starting at

$375⁰⁰

Sleepy's Universal Box Spring Foundation

6346

Starting at

$219⁹⁹

Sealy Essentials Spruce 5.5" Firm Mattress

1371

Starting at

$399⁹⁹

$649⁹⁹

$250 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

A five inch foundation is a supportive mattress base designed to provide a stable, even surface beneath your mattress while adding less height than a standard foundation or traditional box spring. Its compact profile makes it a practical choice for sleepers who prefer a lower bed height, have a taller mattress or adjustable bedroom furniture, or want easier access to the surface of the bed. Built with a sturdy interior frame and durable upholstery, a five inch mattress foundation can help distribute weight evenly, reduce unwanted movement and keep your mattress properly supported night after night. Pairing the right foundation with your mattress may also help preserve its shape, comfort and performance over time. Choosing the best five inch foundation starts with confirming that it is compatible with your mattress size and mattress type, including twin, Twin XL, full, queen, king and California King options. Many memory foam, hybrid and innerspring mattresses require a firm, supportive base with minimal flex, so review the mattress manufacturer’s foundation requirements before making a purchase. A low profile five inch foundation can create a clean, streamlined look while providing dependable support for your sleep system, and it can be placed on a bed frame, platform bed or other compatible support structure. For a complete setup, compare foundation dimensions, weight capacity, fabric construction and assembly requirements to find a sturdy mattress base that fits your room and sleeping needs.

What is a five-inch foundation? + -

A five-inch foundation is a low-profile bed base designed to sit beneath a mattress. It typically has a sturdy internal frame and a fabric-covered exterior.

How does a five-inch foundation differ from a box spring? + -

A five-inch foundation generally has a solid or rigid internal structure, while a traditional box spring may use springs inside its frame. The terms are sometimes used interchangeably, so check the product details for the specific construction.

What materials are used to make five-inch foundations? + -

Five-inch foundations may include wood or metal components, upholstery fabric and a non-slip surface. Materials vary by foundation, so review the product specifications for details.

Can a five-inch foundation be used with different mattress types? + -

Many five-inch foundations are designed to work with a range of mattress types, including memory foam, hybrid and innerspring models. Always review the mattress and foundation manufacturer guidelines before pairing them.

How should a five-inch foundation be cared for? + -

Keep the foundation dry, vacuum the fabric surface with an upholstery attachment and follow the manufacturer’s care instructions. Avoid using harsh cleaners or placing heavy items on the foundation when it is not in use.