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Therapedic Mystic Queen Low Profile Foundation

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SKU: 50917724

Therapedic: One Of The Most Respected Names In Sleep For Over 65 Years. A woman relaxes on a Therapedic mattress.

Quality Materials & Craftsmanship

We’ve earned a reputation as a leading bedding brand by engineering our sleep products using high-quality, safe materials and the latest technologies available.

GREENGUARD Gold Certified, our products meet rigorous standards for low chemical emissions—giving you added confidence in the quality of your sleep environment.

A Legacy of Sleep Expertise
A Legacy of Sleep Expertise

Since 1957, Therapedic® has been helping people sleep better by combining decades of innovation with the latest advancements in sleep technology. Our commitment to better sleep continues to shape every mattress we make.

Award-Winning Mattresses
Award-Winning Mattresses

Therapedic® is honored to be recognized as the #1 Best Mattress Supplier in Furniture Today’s Reader Rankings, earning the top spot for four consecutive years.

Premium Value
Premium Value

At Therapedic®, exceptional value is built into every mattress. Carefully selected materials and expert craftsmanship come together to deliver lasting comfort, dependable support, and durability you can count on for years to come.

A low profile flat foundation provides support for the mattress while ensuring the best mattress feel - coordinated with Therapedic mattress aesthetics.

SKU: 50917724

Collection

Box Spring

Warranty

10 year limited warranty -

View Warranty

Color

Black

Construction

Flat

Mattress foundation profile

Low profile

Mattress size

Queen

Profile height

5 inch

Type

Foundation

Upholstery material

Fabric

Q&A answers generated with AI assistance.

How does a "flat foundation" differ from a traditional box spring?

Unlike a traditional box spring that has "give" or spring-like movement, a flat foundation provides a completely rigid and unyielding surface. This solid construction is essential for modern mattresses, particularly memory foam and hybrid models, as it prevents the mattress from warping or sagging over time. Using a solid foundation ensures that the mattress’s internal support system performs exactly as the manufacturer intended.


What is the benefit of a low-profile foundation compared to a standard one?

A low-profile foundation, such as this 5-inch model, is designed to lower the overall height of your sleep set without sacrificing support. This is an ideal solution for modern, thicker mattresses or for those who prefer a sleek, contemporary look. It also makes getting in and out of bed easier and more accessible if your bed frame or mattress already has a significant height.


Will this foundation help prevent my mattress from sagging?

Yes. One of the primary causes of mattress sagging is an inadequate or uneven support base. This foundation provides a uniform, flat plane that reinforces the mattress from edge to edge. By maintaining this consistent support, the foundation helps preserve the integrity of the mattress's comfort layers and is often a requirement to keep your mattress warranty valid.


Why is a low-profile foundation a popular choice for homeowners in Texas?

In many Texas homes with high ceilings and spacious master suites, shoppers often select thick, luxury pillow-top mattresses. However, pairing a thick mattress with a standard 9-inch base can make the bed uncomfortably high. This 5-inch foundation provides the necessary structural support while keeping the top of the bed at a comfortable, accessible level, maintaining a balanced aesthetic that fits the scale of the room.


Does this foundation require assembly upon delivery?

No assembly is required. This unit features a factory-solid, flat construction that arrives fully assembled for maximum structural integrity. This "solid-state" design is a hallmark of high-quality bedding accessories, as it eliminates the potential for the wobbling or squeaking often associated with "ready-to-assemble" metal or wood foundation kits.


Will this foundation be noisy or develop a squeak?

This foundation is built for silent support. Because it is a solid, flat-construction unit rather than a kit with multiple joints and bolts, it lacks the common friction points that cause squeaking over time. Our expertise suggests that a factory-assembled foundation is the most effective way to ensure a quiet sleep environment.


Can I use this foundation with a memory foam or hybrid mattress?

Absolutely. Most memory foam and hybrid mattress warranties specifically require a flat, solid surface to prevent the foam from sinking into gaps. This Therapedic foundation is engineered to provide the stable, level support these mattress technologies need to offer optimal pressure relief and long-term durability.

59.50"w x 79.50"d x 5.00"h

4.6 out of 5 stars

Based on 76 ratings
5
83%
4
9%
3
1%
2
1%
1
5%
Patricia P
Verified Buyer

Purchased On Mar 19, 2023

Reviewed On Feb 5, 2026
Corletta S
Verified Buyer

Purchased On Jun 18, 2023

No complaints

Reviewed On Sep 14, 2025
April S
Verified Buyer

Purchased On Aug 1, 2025

Reviewed On Sep 11, 2025
Norma R
Verified Buyer

Low profile box springs

Purchased On Jul 29, 2025

Love them!

Reviewed On Sep 7, 2025
William B
Verified Buyer

Purchased On Jul 30, 2025

Beautyrest Black Queen Low Profile Foundation This 5 inch low profile Queen foundation met my needs

Reviewed On Sep 5, 2025