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Beautyrest Twin Low Profile Foundation

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SKU: 51222239

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Beautyrest Black®

Designed where luxury meets innovation, with Triple-Stranded Pocketed Coil® Technology for individualized support + motion separation with a quilted top mattress surface.

Discover Beautyrest Black®

Individualized Support
Individualized Support

Triple-Stranded Pocketed Coil® Technology offers our most advanced, individualized support + motion separation for every sleeping position.

Premium Materials
Premium Materials

Ventilated, Self-Response™ Latex®, designed to maximize airflow while conforming to your body for responsive pressure relief, combines with contouring memory foams and premium materials to provide luxurious comfort. *Available in select models

Advanced Temperature Management
Advanced Temperature Management

Sleep Climate™ Technology works with Micro Diamonds™ Memory Foam, a premium foam infused with diamond particles that is designed to help transfer heat away from the body, for an optimal sleep. *Available in select models

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The Beautyrest® Difference

Each Beautyrest® mattress is thoughtfully designed and assembled in the USA and CertiPUR-US certified safe against harmful chemicals, so your indoor air quality is cleaner. Plis Beautyrest® mattresses are backed by a 10-year limited warranty, so you can enjoy premium sleep for years to come.

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 Beautyrest flat box foundation meets or exceeds State and Federal Fire Retardancy Standards when used either by itself or with an approved Beautyrest mattress.

SKU: 51222239

Collection

Box Spring

Warranty

10 year limited warranty -

Code A -

View Warranty

Color

Black

Mattress foundation profile

Low profile

Profile height

5 inch

Q&A answers generated with AI assistance.

How does this mattress foundation differ from a traditional box spring?

Unlike a traditional box spring that has internal coils with a certain amount of "give," this mattress foundation provides a much sturdier, flat surface. Based on our expertise in sleep systems, this rigid support is essential for modern mattress technologies, as it prevents the mattress from warping or sagging over time, ensuring you get the full benefit of your mattress's engineered comfort layers.


Does this mattress foundation meet fire safety regulations?

Safety is a primary consideration in our construction. This foundation meets or exceeds all State and Federal Fire Retardancy Standards. For maximum safety and performance, it is ideally paired with an approved Beautyrest mattress to ensure the entire sleep system is compliant with these rigorous safety protocols.


What is the benefit of choosing a low-profile foundation over a standard-height version?

This foundation features a 5-inch low-profile height, which is an excellent choice for modern, thicker mattresses. By using a lower base, you can keep the overall height of your bed at a comfortable level, making it easier to get in and out of bed while maintaining a sleek, contemporary aesthetic.


Will using this foundation help protect my mattress warranty?

Absolutely. Most mattress manufacturers, including Beautyrest, require a completely flat and supportive surface to maintain warranty coverage. This foundation is engineered to meet or exceed those requirements, providing the consistent support needed to prevent the structural damage that can occur on uneven or improper bases.


Why is an upholstered foundation better than a standard wooden frame?

The black upholstery on this foundation provides a clean, finished look that blends seamlessly with your bed frame and bedding. Beyond aesthetics, the fabric cover helps to protect the internal structure and provides a high-friction surface that helps prevent your mattress from shifting or sliding during the night.


Is this foundation suitable for a small apartment or a room with a low-profile bed frame?

Yes, the 5-inch profile is specifically designed for spaces where a standard 9-inch base would be too bulky. In an urban apartment or a bedroom with a modern, low-slung bed frame, this foundation provides the necessary support without adding excessive height, preserving the intended design and scale of your furniture.

39.00"w x 75.00"d x 5.00"h

4.4 out of 5 stars

Based on 751 ratings
5
75%
4
10%
3
4%
2
2%
1
9%
Sleeping like a baby

Quality built platform

This review was collected as part of a promotion

This foundation is an excellent platform for your mattress. Fast and easy to find on the Tempurpedic website.

Review provided by Tempur-Pedic

Reviewed On Jan 11, 2026
First Time Owner

great sleep

This review was collected as part of a promotion

Very solid and firm. Great support.

Review provided by Tempur-Pedic

Reviewed On Jan 9, 2026
deep in sleep

Best Mattress I've ever slept on

This review was collected as part of a promotion

This is by far the most comfortable mattress I have ever slept on. It makes me not want to get out of bed. I cradles your whole body and makes you feel like you are floating on a cloud.

Review provided by Tempur-Pedic

Reviewed On Dec 29, 2025
Sleeping well in Chicago

easy setup solid base

This review was collected as part of a promotion

my king size foundation came in two twin foundations. solid base and great easy delivery. would recommend again!

Review provided by Tempur-Pedic

Reviewed On Dec 13, 2025
Happy Sleeper

Amazing

This review was collected as part of a promotion

We love the height it added to our bed and gave a solid foundation for our mattress

Review provided by Tempur-Pedic

Reviewed On Dec 9, 2025