Kingsdown Twin Xl High Profile Foundation
SKU: 50883478
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 WarrantyColor
Black
Foundation height
9 inches
Pattern
Solid
Upholstery material
Fabric
Q&A answers generated with AI assistance.
Does this foundation require home assembly?
No, this foundation is meticulously hand-assembled by craftsmen before it reaches your home. It arrives fully built and ready for immediate use, allowing you to complete your bedroom setup without the need for tools or the hassle of complex instructions.
Why is a solid foundation often preferred over a traditional box spring?
Unlike a traditional box spring that uses flexible wire coils, this solid wood foundation provides a completely flat, non-yielding surface. This rigid support is essential for modern memory foam and hybrid mattresses, as it ensures they stay perfectly level to provide correct spinal alignment and prevents the internal mattress materials from shifting or warping.
What is the benefit of a "high profile" 9-inch foundation?
A 9-inch high-profile foundation provides a traditional bed height, making it easier to get in and out of bed compared to lower-profile options. This height is ideal for standard bed frames and is a popular choice for larger master bedrooms where a taller bed profile creates a more substantial, elevated aesthetic.
How does the slat construction provide better support for a mattress?
To provide a sturdier base than standard models, the wooden slats in this foundation are cut a full inch wider and placed more closely together. This increased surface area offers superior reinforcement for your mattress, helping to prevent the sagging and dipping that can occur with less robust support systems, thereby extending the life of your mattress.
Why is kiln-dried Canadian Spruce used in this foundation’s frame?
This foundation is crafted from sustainably sourced Canadian Spruce that has been both heat-treated and kiln-dried. The kiln-drying process is a critical quality step that removes deep-seated moisture from the wood, significantly reducing the risk of warping, shrinking, or cracking over time. This expertise in material preparation ensures the frame remains structurally sound and silent throughout its lifespan.
Can two of these foundations be used together for a split king bed?
Yes, two Twin XL foundations are the standard requirement for a King or Split King mattress setup. At 80 inches long, they provide the necessary extra length for "XL" mattresses. Placing two side-by-side creates a stable, 78-inch wide base that is much easier to navigate through narrow stairwells or apartment doorways than a single-piece king foundation.
39.00"w x 80.00"d x 9.00"h
4.1 out of 5 stars
Comfortable
We bought the tempur-pedic cooling memory foam mattress topper which is very comfortable to sleep on but the material is quite slippery and the sheets slide off the corners no matter what we do to keep them on. I have tried the clamp things to attach to the sheet and slides under the mattress but they just slide out. If you don’t mind putting your bottom sheet back on every morning then I would recommend them.
Review provided by Sealy
Perfect Foundation
This review was collected as part of a promotion
This was perfect for my minimalist bed frame and really helped my bed with extra support!
Review provided by Sealy
We Love This Bed
This review was collected as part of a promotion
This is our second Tempur-Pedic mattress. We feel as though no other mattress compares. We bought online and the process was easy, we had the mattress the following week and the delivery guys were efficient and nice.
Review provided by Sealy
Comfortable pillows
This review was collected as part of a promotion
I really enjoy going to sleep now.
Review provided by Sealy
Very comfortable pillow
This review was collected as part of a promotion
I have slept with this pillow for a month, and I love how comfortable it makes both my neck and head feel, whether I’m on my back or on my side.
Review provided by Sealy

