The overall measurement of the item from the floor to its highest point (how tall the item is).

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Stearns & Foster® 9" Full Flat Standard Foundation

Engineered to support your Stearns and Foster® mattress with a perfectly solid, flat surface. Fashion + function, the perfect mattress isn't complete without the perfect foundation. Our flat foundations are designed to take the place of a traditional box spring and can be placed directly on your existing bed frame.

Stearns & Foster® 9" Twin XL Flat Standard Foundation

Stearns & Foster® 9" Twin Flat Standard Foundation

Stearns & Foster® 9" Queen Flat Standard Foundation

Stearns & Foster® 9" Split Queen Flat Standard Foundation

Stearns & Foster® 9" Split California King Flat Standard Foundation, Includes 2 Pieces

Engineered to support your Stearns and Foster® mattress with a perfectly solid, flat surface. Fashion + function, the perfect mattress isn't complete without the perfect foundation. Our flat foundations are designed to take the place of a traditional box 

Constructed with the finest textiles, our Stearns & Foster® foundation is designed to enhance the look and feel of your mattress.

Our solid surface foundation is crafted to provide years of stationary support. Designed and upholstered to complement our mattresses and your bedroom décor.

Our foundations are available in a 9” height that matches a traditional box spring and a lower 5” profile for a more modern look that will easily fit through more narrow stairways.

*9" flat standard foundation only. All other products sold separately. Images may not depict actual size.

Stearns & Foster® mattresses have been crafted by hand from the highest quality and incredibly luxurious materials for over 175 years. Experience the difference of time-honored craftsmanship for yourself. Let us be a part of your history.

Stearns & Foster® 9" King Flat Standard Foundation

Sealy® 9" Split Queen Standard Foundation, Includes 2 Pieces

The high or low-profile foundation is recommended for any bedroom to match with their mattress for comfort sleep. Most people spend about one-quarter of their life in bed, so the foundation provides extra height to their bed.

Designed to cater to your busy lifestyle and built to last, this innovative foundation is ready to assemble in the comfort of your home. The unique shippable design is the perfect alternative to the standard box spring.

Sierra Sleep® By Ashley® King Standard Foundation

Constructed with a sturdy metal frame with rounded corners for safety, this is the last foundation you’ll ever need. Now you can have the support and comfort of a box spring without ever having to leave your house.

Includes metal frame, metal inside supports, slats, removable cover and hardware

All parts, tools and instructions are packed into one compact box that ships straight to your door

*Foundation only, all other products sold separately. Images may not reflect actual size.

Discover the foundational piece your bedroom with our mattress foundation, a testament to understated elegance and robust support. Handcrafted with precision, the slats are arranged to cradle your mattress, ensuring stability that lasts through years of r

Coaster® Mercer Gray 9" Queen Standard Box Spring Foundation

Sturdy queen size box spring mattress foundation

Raises the mattress to an ideal height, not only facilitating easier access but also aligning the sleep surface for optimal comfort and spine alignment

Open structure of the box spring allows for increased airflow, contributing to a cooler and more comfortable sleep surface.

Equipped with advanced noise-dampening materials, the foundation ensures a quiet sleeping environment, free from creaks and squeaks

*Foundation only, all other products sold separately. Images may not depict actual size.

Discover the foundational piece your bedroom with our mattress foundation, a testament to understated elegance and robust support. Handcrafted with precision, the slats are arranged to cradle your mattress, ensuring stability that lasts through years of restful slumbers.

Discover our mattress foundation, blending elegance and durability. Handcrafted slats offer lasting stability, while Kara-Guard padding ensures silent, peaceful sleep. Available in a 9” regular or 5” low profile, this box spring transforms your bed into a

Coaster® Mercer Gray 9" Split Eastern King Standard Box Spring Foundation

Sturdy split eastern king box spring mattress foundation

Discover our mattress foundation, blending elegance and durability. Handcrafted slats offer lasting stability, while Kara-Guard padding ensures silent, peaceful sleep. Available in a 9” regular or 5” low profile, this box spring transforms your bed into a haven of comfort and serenity.

Elevate your bedroom with our mattress foundation, combining elegance and robust support. Handcrafted slats ensure lasting stability, while Kara-Guard padding offers silent noise protection. Available in a 9” regular or 5” low profile, it transforms your 

Coaster® Mercer Gray 9" Full Standard Box Spring Foundation

Sturdy full size box spring mattress foundation

Open structure of the box spring allows for increased airflow, contributing to a cooler and more comfortable sleep surface

Elevate your bedroom with our mattress foundation, combining elegance and robust support. Handcrafted slats ensure lasting stability, while Kara-Guard padding offers silent noise protection. Available in a 9” regular or 5” low profile, it transforms your bed into a sanctuary of serene, restful sleep.

Coaster® Mercer Gray 9" Twin XL Standard Box Spring Foundation

Sturdy twin extra long size box spring mattress foundation

Coaster® Sommet 13" Hybrid Ultra Plush Euro Top Foam Eastern King Mattress

This hybrid mattress features ultra-plush foam layers and a euro top for exceptional softness and comfort. With a 13-inch profile, it provides gentle support and pressure relief, making it perfect for those who enjoy a luxurious, cushioned sleeping experience in an Eastern King size.

Discover our mattress foundation, where elegance meets robust support. Handcrafted slats cradle your mattress for enduring stability, while Kara-Guard padding ensures quiet comfort. Available in a 9” regular or 5” low profile, it transforms your bed into 

Coaster® Mercer 9" Twin Standard Box Spring Foundation

Sturdy twin size box spring mattress foundation

*Mattress only, all other products sold separately. Images may not reflect actual size. Color in images may differ in person; see retailer for the actual finish.

Discover our mattress foundation, where elegance meets robust support. Handcrafted slats cradle your mattress for enduring stability, while Kara-Guard padding ensures quiet comfort. Available in a 9” regular or 5” low profile, it transforms your bed into a serene haven of restful sleep. 

Nestle into a haven of tranquility each night on the serene comforts of our mattress, where the gentle embrace of a stretch bamboo cover offers a lullaby of cool, hypoallergenic whispers.

Firm queen size euro top hybrid mattress with 13-inch profile

Ultra plush quilt foam integrated directly into the cover for instant comfort

Gel memory foam enhances lumbar support and alleviates pressure points

360 degree foam-encased individually wrapped coils, providing undisturbed sleep

Proudly made in the usa with certi-pur-us certified foam

*Mattress only, all other products sold separately. Images may not reflect actual size.

Sealy® 9" Twin High Profile Foundation

The Sealy® 9" High Profile Foundation provides a strong and stable base for your mattress, ensuring long-lasting support and comfort. Designed to reduce motion transfer and enhance mattress durability, this sturdy foundation is perfect for any twin-size bed frame, offering a sleek and modern look for your bedroom.

Sealy® 9" Full High Profile Foundation

The Sealy® 9" High Profile Foundation provides a strong and stable base for your mattress, ensuring long-lasting support and comfort. Designed to reduce motion transfer and enhance mattress durability, this sturdy foundation is perfect for any full-size bed frame, offering a sleek and modern look for your bedroom.

Sealy® 9" Split Queen High Profile Foundation, Includes 2 Pieces

The Sealy® 9" High Profile Foundation provides a strong and stable base for your mattress, ensuring long-lasting support and comfort. Designed to reduce motion transfer and enhance mattress durability, this sturdy foundation is perfect for any split queen-size bed frame, offering a sleek and modern look for your bedroom.

Sealy® 9" Queen High Profile Foundation

The Sealy® 9" High Profile Foundation provides a strong and stable base for your mattress, ensuring long-lasting support and comfort. Designed to reduce motion transfer and enhance mattress durability, this sturdy foundation is perfect for any queen-size bed frame, offering a sleek and modern look for your bedroom.

Sealy® 9" Split California King High Profile Foundation, Includes 2 Pieces

The Sealy® 9" High Profile Foundation provides a strong and stable base for your mattress, ensuring long-lasting support and comfort. Designed to reduce motion transfer and enhance mattress durability, this sturdy foundation is perfect for any split California king-size bed frame, offering a sleek and modern look for your bedroom. 

Sealy® 9" Twin XL High Profile Foundation

The Sealy® 9" High Profile Foundation provides a strong and stable base for your mattress, ensuring long-lasting support and comfort. Designed to reduce motion transfer and enhance mattress durability, this sturdy foundation is perfect for any twin xl-size bed frame, offering a sleek and modern look for your bedroom.

The Sealy® 9" High Profile Foundation provides a strong and stable base for your mattress, ensuring long-lasting support and comfort. Designed to reduce motion transfer and enhance mattress durability, this sturdy foundation is perfect for any queen-size 

9-inch high-profile foundation for optimal support

Sleek and modern design complements any bedroom

*High profile foundation only, all other product sold separately. Images may not depict actual size.

Sealy® 9" King High Profile Foundation

The Sealy® 9" high profile foundation provides a strong and stable base for your mattress, ensuring long-lasting support and comfort. Designed to reduce motion transfer and enhance mattress durability, this sturdy foundation is perfect for any king bed frame, offering a sleek and modern look for your bedroom.

Sealy® 9" California King High Profile Foundation

The Sealy® 9" high profile foundation provides a strong and stable base for your mattress, ensuring long-lasting support and comfort. Designed to reduce motion transfer and enhance mattress durability, this sturdy foundation is perfect for any California King bed frame, offering a sleek and modern look for your bedroom.

Tempur-Pedic® TEMPUR-Flat™ 9" Twin High Profile Foundation

Engineered to support your Tempur-Pedic mattress with a perfectly solid, flat surface. Tempur-Flat™ 9” Ultra-Low-Profile Charcoal Foundation is perfect for platform-style bed frames. The high, low or ultra-low-profile foundation is recommended for any bedroom to match with their mattress for comfort sleep. 

Tempur-Pedic® TEMPUR-Flat™ 9" Twin XL High Profile Foundation

Tempur-Pedic® TEMPUR-Flat™ 9" Split King High Profile Foundation, Includes 2 Pieces

Tempur-Pedic® TEMPUR-Flat™ 9" Full High Profile Foundation

Tempur-Pedic® TEMPUR-Flat™ 9" Queen High Profile Foundation

Tempur-Pedic® TEMPUR-Flat™ 9" Split Queen High Profile Foundation, Must Order Two for a Set

Tempur-Pedic® TEMPUR-Flat™ 9" Split California King High Profile Foundation, Includes 2 Pieces

Engineered to support your Tempur-Pedic mattress with a perfectly solid, flat surface. Tempur-Flat™ 9” Ultra-Low-Profile Charcoal Foundation is perfect for platform-style bed frames. The high, low or ultra-low-profile foundation is recommended for any bed

Engineered to support your Tempur-Pedic® mattress — and upholstered in matching grey fabric — with a perfectly solid, flat surface at a height that’s right for you. 9” High matches a traditional box-spring height. 5” Low fits through more narrow stairways. 2” Ultra-low is perfect for platform-style bed frames. Place your foundation in a bed frame.

When NASA released the material’s formula for consumer use, our founders were eager to improve the application specifically for sleepers. Our scientists rigorously tested and enhanced the foam to increase its adaptability, heat dissipation, and durability.

For more than 25 years, Tempur-Material™ has evolved to give you a sleep experience like no other. Unlike memory foam, our material is uniquely formulated to respond to your body’s weight, shape, and temperature.

The material’s viscous (fluid-like) and elastic (spring-like) properties actively work together to provide the proper support, comfort, and infinite adaptability.

The result? Unparalleled pressure point relief, absorption, and motion separation to help keep you in uninterrupted, deep sleep. That’s why no other material performs like Tempur-Material™.

*Foundation only, other pieces sold separately. Image shown may not depict actual size.

Sealy® 9" Twin Standard Foundation

Sealy® 9" Full Standard Foundation

Sealy® 9" Queen Standard Foundation

Sealy® 9" Twin XL Standard Foundation

Sealy® 9" Split California King Standard Foundation, Includes 2 Pieces

It's still important to support your Sealy mattress with a foundation to help prevent bowing or sagging. Our StableSupport™ Foundation maximizes the comfort and durability of Sealy mattresses. Available in 5-inch and 9-inch heights.

Designed to coordinate with Sealy mattress aesthetics

Since 1881, we’ve been helping American families sleep better by designing high-quality, trusted mattresses.

We go above and beyond industry standards to ensure your mattress will last for years to come. All of our mattresses are proudly built in the USA, and are rigorously tested for quality, comfort, and support.

Sealy® holds the title of America’s #1 Mattress Brand. We are rooted in innovation, determination, and passion that spans more than 140 years – and regardless of a customer’s journey with us during that time, our goal has always been the same: deliver quality sleep. Sealy® has been helping American families sleep better by designing high-quality, trusted mattresses since 1881 – and we don’t plan on stopping any time soon. Let us know how we can fit into your best night’s sleep!

*Foundation only, other pieces sold separately. Image may not depict actual size.

Sierra Sleep® By Ashley® Black Twin XL Standard Foundation

Designed to cater to your busy lifestyle and built to last, this innovative foundation is ready to assemble in the comfort of your home. Constructed of sturdy metal instead of wood for greater durability and longevity, this is the last foundation you'll ever need. The unique design is the perfect alternative to the standard box spring.

Sierra Sleep® By Ashley® Gray King Standard Foundation

Sierra Sleep® By Ashley® Black California King Standard Foundation

Sierra Sleep® By Ashley® Black Queen Standard Foundation

Sierra Sleep® By Ashley® Black Twin Standard Foundation

Sierra Sleep® By Ashley® Black Full Standard Foundation

Designed to cater to your busy lifestyle and built to last, this innovative foundation is ready to assemble in the comfort of your home. Constructed of sturdy metal instead of wood for greater durability and longevity, this is the last foundation you'll e

*Foundation only, any other products that may be displayed are sold separately. Images may not represent the actual size and color in images may differ in person. See store for the actual color or finish.

Standard Foundations

Sealy® 9" Queen High Profile Foundation

$249.99

Sealy® 9" Queen Standard Foundation

$249.99

Sierra Sleep® By Ashley® Black Queen Standard Foundation

Sierra Sleep® By Ashley® King Standard Foundation

Stearns & Foster® 9" Queen Flat Standard Foundation

$314.99

Tempur-Pedic® TEMPUR-Flat™ 9" Queen High Profile Foundation

$379.99

Coaster® Mercer 9" Twin Standard Box Spring Foundation

Sale $207.99

Coaster® Mercer Gray 9" Full Standard Box Spring Foundation

Sale $241.99

Coaster® Mercer Gray 9" Queen Standard Box Spring Foundation

Sale $249.99

Coaster® Mercer Gray 9" Split Eastern King Standard Box Spring Foundation

Sale $440.99

Coaster® Mercer Gray 9" Twin XL Standard Box Spring Foundation

Sale $220.99

Coaster® Sommet 13" Hybrid Ultra Plush Euro Top Foam Eastern King Mattress

Sale $963.99

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