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Beautyrest Harmony Twin Xl High Profile Foundation

Not available in your region

SKU: 50825680

If you are looking to add a little height to your bed or simply to 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

Gray

Foundation height

9 inch

Pattern

Solid

Profile height

High profile

Upholstery material

Fabric

38.00"w x 80.00"d x 9.00"h

4.7 out of 5 stars

Based on 119 ratings
5
87%
4
4%
3
3%
2
2%
1
4%
Satisfied Sleeper

Solid Foundation.

Split King was the perfect foundation.

Review provided by Stearns & Foster

Reviewed On Sep 7, 2025
Happy Guests

Fits perfectly

This review was collected as part of a promotion

We needed a platform for a Pottery Barn bed we purchased. Stearns & Foster offered this one and since we've had a great experience with the company before, we bought it! It fits perfectly in the bed frame and provides excellent support for the mattress.

Review provided by Stearns & Foster

Reviewed On Aug 15, 2025
Dawn

Good quality

This review was collected as part of a promotion

It’s a solid piece of furniture.

Review provided by Stearns & Foster

Reviewed On Aug 13, 2025
Good Rester

Great addition!

This review was collected as part of a promotion

We purchased two of the 9-in flat foundations to support our new Stearns & Foster Mattresses that we just bought as well. The complete set is so compatible and a welcome addition. It's perfect.

Review provided by Stearns & Foster

Reviewed On Aug 5, 2025
Dorathy O
Verified Buyer

Purchased On May 13, 2025

Reviewed On Aug 4, 2025