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Kingsdown Twin Low Profile Foundation

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SKU: 51283477

KINGSDOWN Quality Craftsman Since 1904. A blue and white mattress on a bed frame in a modern, well-lit bedroom.
Style + SUBSTANCE. Since 1904, Kingsdown has handcrafted mattresses in the US with superior materials and quality.
Handcrafted Excellence
Handcrafted Excellence

Handcrafted in the United States, our master artisans are committed to better sleep through exceptional craftsmanship.

Finest Materials
Finest Materials

Every square inch of a Kingsdown mattress is handcrafted with superior materials, not just the parts you can see and touch.

Tested and Certified
Tested and Certified

Every single mattress is tested and certified before it leaves our hands to ensure consistent quality and accurate support.

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Kingsdown

For over a century, the Kingsdown name has been synonymous with unprecedented quality. Every detail is considered, and we ensure superior material selection and perfection, right down to the last stitch of our renowned tailoring. Since 1904, we’ve never compromised on comfort, and neither should you.

You'll Love Kingsdown

Sleep Cooler
Sleep Cooler

Kingsdown mattresses are designed to help regulate temperature for cooler, more comfortable sleep.

Motion Isolation
Motion Isolation

Individually wrapped coils decrease motion transfer, and select models feature an added buffer that runs the length of the mattress to mitigate partner disturbance.

Highly Rated
Highly Rated

Kingsdown mattresses are highly rated with over 20,000 reviews, averaging 4.7 stars and a 96% referral rate.

Kingsdown foundations are meticulously hand assembled using sustainably sourced Canadian Spruce, which is exceptionally durable. Each piece of lumber is not only heat-treated, but kiln-dried, which improves the performance of the wood over time. Each wooden slat is placed more closely together and cut a full inch wider than most manufacturers to provide a sturdier base.

Collection

Box Spring

Warranty

10 year limited warranty -

Code J -

View Warranty

Color

Black

Mattress foundation profile

Low profile

Profile height

5 inch

Type

Foundation

Upholstery material

Fabric

Q&A answers generated with AI assistance.

What is the recommended way to maintain the fabric upholstery on this foundation?

Based on our expertise in furniture care, we recommend vacuuming the fabric surface regularly with an upholstery attachment to prevent dust and allergen buildup. For any minor spills or stains, spot clean with a soft cloth using a mixture of mild soap and water, then allow the fabric to air dry completely. Avoid using harsh chemical cleaners, as they can damage the fabric fibers.


Can this foundation help make a small bedroom feel larger?

For those living in urban apartments or smaller homes, a low profile foundation is a smart design choice. By lowering the overall height of the bed, you create more "negative space" or visible wall area above the mattress. This helps the room feel more open and airy rather than being dominated by a bulky furniture setup.


Is this foundation sturdy enough to support a heavy memory foam or hybrid mattress?

Yes, this foundation is engineered for superior strength and stability. It is hand-assembled using sustainably sourced Canadian Spruce, a wood prized for its durability. Unlike standard bases, the slats on this foundation are cut a full inch wider and placed more closely together to provide a much sturdier platform that can easily support the weight of modern high-density mattresses.


What is the benefit of choosing a low profile foundation over a standard one?

A low profile foundation, like this 5-inch model, is designed to reduce the overall height of your bed without compromising support. This is particularly beneficial if you have a modern bed frame with a high headboard you don't want to obscure, or if you are using a thick, premium mattress that would sit too high on a traditional 9-inch base.


How does the construction of this foundation prevent wood warping or squeaking over time?

To ensure long-term performance, the lumber used in this foundation is both heat-treated and kiln-dried. This specialized process removes excess moisture from the wood, which significantly reduces the risk of warping, cracking, or shrinking—common causes of bed noise and structural failure in lower-quality foundations.


Is a low profile foundation a safe choice for a child's first "big kid" bed?

This is an excellent choice for children transitioning from a crib. The 5-inch profile keeps the mattress closer to the floor, making it much easier and safer for small children to get in and out of bed independently. This lower center of gravity also provides peace of mind for parents, as it minimizes the distance of any accidental falls.

39.00"w x 75.00"d x 5.00"h

4.4 out of 5 stars

Based on 777 ratings
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75%
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10%
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4%
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3%
1
8%
Mr. Guymandude

Nice foundation

This review was collected as part of a promotion

It looks nice, does the job, and wasn't too expensive.

Review provided by Tempur-Pedic

Reviewed On Jul 28, 2026
Too Tall Jones

My dog can jump on the bed again

This review was collected as part of a promotion

We have used a standard Tempur Pedic foundation for years. As the mattresses got thicker, our bed got taller and the little dog got older. She needed help into the bed every night. I ordered this ultra low profile foundation to help the problem. It is 4 inches lower than the last one and it even makes the room look larger. Little Goldie can jump up just fine now and it is easier for us to get in and out of. Wish I would have done this sooner.

Review provided by Tempur-Pedic

Reviewed On Jul 24, 2026
Bed sleeper

Good bed

This review was collected as part of a promotion

Good bed

Review provided by Tempur-Pedic

Reviewed On Jul 14, 2026
JO

Damaged Delivered Box, Missing Essential Frame Part

Ordered the king Tempurpedic mattress frame. Delivered by UPS with both ends of the box torn open. Unfortunately, one expander bar, essential for assembly, is missing and therefore have to postpone delivery of our mattress by 5-7 days due to filling out a missing parts form and getting the part via UPS. I have photos of the box, however, no place to upload them. Hopefully there will be some accountability by UPS.

Review provided by Tempur-Pedic

Reviewed On Jul 13, 2026
Ashley

No trial period, not a great product

This review was collected as part of a promotion

I have had Tempur-pedics for 20+ years and I’ve always liked the mattresses. However, this is different. There is no 90-day trial period so if you buy and don’t like it, you’re stuck. Huge, tacky patches with the logo on multiple sides. Very cheap quality material. Not what I have come to expect from Tempur-pedic.

Review provided by Tempur-Pedic

Reviewed On Jul 11, 2026