Beautyrest® Flat Foundation

Beautyrest® Flat Foundation

If you are looking to add a little height to your bed or just simply extend the life of your Beautyrest® mattress, the Beautyrest® Flat Mattress Foundation is the perfect solution.

This 9” box spring alternative is available in all standard sizes, twin, twin XL, full, queen, king and California king and the perfect support for your Beautyrest® Harmony Lux and Hybrid mattresses. Designed to provide long-lasting comfort, the Beautyrest® flat bed foundation includes a spruce framework and welded steel elements for greater support and durability.

About Beautyrest® Flat Foundation

Product Highlights


Beautyrest® Standard Foundation

Foundation Height: 9″


Certifications & Warranty

This Beautyrest® Foundation meets or exceeds State and Federal Fire Retardancy Standards when used either by itself or with an approved Beautyrest® mattress.




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6 Month Comfort Trial

We offer one 180 night comfort trial on all Mattresses, with no exchange fee, restocking fee, or re-delivery fee for a product of equal or greater value. If you buy something more expensive, you would simply pay the difference. If the product you choose is less expensive, you will not receive the difference. Product must be free of stains and the law tag must be intact to qualify for exchange or return. If you’d like an exception please contact us, we will be happy to work with you.


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