Diamond Foundation

Bunkie Board 2" Ultra Low Flat Foundation

Ultra-low 2-inch bunkie board foundation. Provides the support surface your Diamond mattress requires for proper performance and warranty compliance.

From
$159
Size
1
Ultra low 2" grey bunkie board foundation with flat profile for mattress support, ideal for modern bedroom aesthetics.
Free DeliveryWith mattress purchase
Warranty CompliantPreserves your mattress warranty
Rigid Flat SupportRequired for mattress coil system
WHY IT MATTERS

The right foundation protects your mattress.

A proper foundation is not optional. It preserves your warranty and ensures your mattress performs as designed.

2"Ultra-low profile
16-18"Total bed height with mattress
10+Years of reliable support
Low Profile Foundation detail

Warranty Preservation

Using the correct foundation preserves your Diamond warranty. Improper support — sagging slats, old box springs, incompatible frames — is one of the most common reasons mattress warranties are voided.

Mattress Performance

The mattress coil system system is engineered to perform on a rigid, flat surface. A proper foundation ensures the coils respond correctly and the PrecisionEdge system maintains full edge support.

Lower Bed Height

At 5 inches, this foundation keeps your total bed height 4 inches lower than the Standard 9-inch. Ideal for modern aesthetics, platform-height beds, or easier entry and exit.

CONSTRUCTION

Built to support your investment.

A purpose-built 5-inch foundation for Diamond mattresses.

Diamond Low Profile 5 inch Foundation
1

Solid Hardwood Frame

Kiln-dried hardwood frame engineered for decades of nightly use without developing flex, creak, or structural fatigue.

2

Steel Center Support

Steel center beam and cross supports distribute weight evenly across the entire frame, preventing sagging even under heavy mattresses.

3

Flat Support Surface

A solid, flat top surface provides uniform support across every square inch. No slats, no gaps — the rigid surface mattress coil system mattresses require.

4

Durable Fabric Cover

A durable fabric cover protects the foundation and provides a clean, finished appearance.

DELIVERY & WARRANTY

Simple setup, reliable support.

Free White Glove Delivery

Free delivery with any mattress purchase. Our team sets up your foundation and mattress together in your room of choice.

Manufacturer Warranty

Diamond covers the foundation against manufacturing defects. LA Mattress Store coordinates any claims on your behalf.

Bed Frame Compatible

Fits all standard bed frames with center support. Also works on platform beds or directly on the floor.

COMPARE FOUNDATIONS

Choose your height.

Both foundations provide identical rigid, flat support. The only difference is height.

Low Profile 5"Standard 9"
Height9"
ConstructionHardwood + Steel
Support SurfaceRigid Flat
Total Bed Height (w/ 14.5" mattress)23.5"
Bed Skirt CompatibleYes
Best ForTraditional bed height
Price (Queen)$315
LA Mattress Store showroom
AVAILABLE IN STORE

See it in person.

Foundations are available at all 5 LA Mattress Store locations. Our team can help you choose the right height for your bed frame and bedroom setup.

  • Compare 5-inch and 9-inch heights side by side
  • Match the right foundation to your mattress
  • Free delivery with any mattress purchase
  • Expert setup advice from our team
Find a Store
Open 7 days a week · (800) 218-3578
FAQ

Questions about foundations?

Our team can help you choose the right foundation height and ensure compatibility with your mattress and bed frame.

Contact Us
A flat, rigid support surface is required. This can be an Diamond foundation, a platform bed with a solid top, or a slatted frame with slats no more than 3 inches apart. Using an improper support surface can void your warranty.
Ultra low 2" grey bunkie board foundation with flat profile for mattress support, ideal for modern bedroom aesthetics.
Bunkie Board 2" Foundation
From
$159
Size
1