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Beautyrest Twin High Profile Foundation

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SKU: 50222238

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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Beautyrest Black®

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

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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.

Collection

Box Spring

Warranty

10 year limited warranty -

Code A -

View Warranty

Color

Black

Mattress foundation profile

High profile

Profile height

9 inch

Type

Flat

Upholstery material

Upholstered

Q&A answers generated with AI assistance.

How should I clean and maintain the upholstery on this foundation?

To maintain the black upholstered finish, our experts recommend regular vacuuming with an upholstery attachment to remove dust and allergens. For minor spots, you can gently blot the area with a soft cloth dampened with a mild soap and water solution. Always avoid harsh chemical cleaners, as they can degrade the fabric and the fire-retardant materials.


What is the difference between a mattress foundation and a traditional box spring?

Unlike traditional box springs that feature internal coils with "give," this flat foundation provides a sturdy, non-yielding base. This modern construction is specifically engineered to offer the consistent, rigid support required by high-performance mattresses, which helps prevent sagging and extends the life of the sleep surface.


How does using a flat foundation affect my mattress warranty?

Most premium mattress manufacturers require the mattress to be placed on a completely flat, supportive surface to maintain warranty coverage. This foundation is designed to meet these rigorous standards, ensuring your mattress doesn't warp or sag over time. Using a verified foundation like this one is a proactive way to protect your long-term investment.


Is a 9-inch high-profile foundation the right choice for my bed?

This high-profile foundation is ideal for those who prefer a traditional bed height or are using a bed frame that sits low to the ground. A 9-inch base makes the transition in and out of bed easier and creates a more prominent aesthetic in the room. If you are pairing this with an exceptionally thick mattress and want to keep the overall height lower, you might consider a low-profile alternative.


Does this mattress foundation meet federal safety requirements?

Yes. This foundation is manufactured to meet or exceed all State and Federal Fire Retardancy Standards. Whether used on its own or paired with an approved mattress, it provides an added layer of safety for your home while delivering the structural durability associated with the Beautyrest Black brand.


Is this twin foundation suitable for a small apartment or a dorm room?

Absolutely. With standard twin dimensions of 39”W x 75”D, this foundation is specifically sized for compact living spaces, such as urban apartments or guest rooms. Because it is a "flat" type foundation that arrives fully assembled, it provides a hassle-free setup for residents who need reliable support without the complexity of building a frame.

39.00"w x 75.00"d x 9.00"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