Mattresses & Boxsprings › Boxsprings & Foundations › King

Take your nighttime comfort to the next dreamy level with our luxurious and su... Take your nighttime comfort to the next dreamy level with our luxurious and supportive Mattress Foundations. Box edge frames are hand built by Amish craftsmen from solid spruce wood in three profiles, Slim, Low and High, to custom fit your bed and... more

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Take your nighttime comfort to the next dreamy level with our luxurious and su... Take your nighttime comfort to the next dreamy level with our luxurious and supportive Mattress Foundations. Box edge frames are hand built by Amish craftsmen from solid spruce wood in three profiles, Slim, Low and High, to custom fit your bed and... more

Take your nighttime comfort to the next dreamy level with our luxurious and su... Take your nighttime comfort to the next dreamy level with our luxurious and supportive Mattress Foundations. Box edge frames are hand built by Amish craftsmen from solid spruce wood in three profiles, Slim, Low and High, to custom fit your bed and... more

The BiFold Split king size box spring by Priage features a folding mattress fo... The BiFold Split king size box spring by Priage features a folding mattress foundation that can compresses for added ease. It is constructed with heavy gauge steel and has a fabric cover. It is 7.5 inches deep. more

Designed to cater to your busy lifestyle and built to last, this innovative fo... 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. Constructed of sturdy metal... more

We are a proud manufacturer of the finest quality mattresses and box springs, ... We are a proud manufacturer of the finest quality mattresses and box springs, with the highest standards in durability, quality, comfort, and beauty. All of our products are to ensure that you get only the best. Profile: Standard Profile (7.75"), Size:... more

Enjoy the sweetest dreams possible with this ultra plush memory foam mattress ... Enjoy the sweetest dreams possible with this ultra plush memory foam mattress and Euro top, which is firmer around the edges and softer in the center. With its independent springs that minimize motion transfer and provide body pressure relief, pocket... more

Keep your bed sleek and simple with this two-inch 2-piece king size bunkie boa... Keep your bed sleek and simple with this two-inch 2-piece king size bunkie board from Furniture of America. more

"Ashley Sleep Better than a Boxspring King Foundation - Ashley Furniture M91X4... "Ashley Sleep Better than a Boxspring King Foundation - Ashley Furniture M91X42 Behold the newest foundation of comfort. The Better than a Box Spring 2-piece king mattress riser is an all-in-one support system that takes the place of an ordinary bed... more

We are a proud manufacturer of the finest quality mattresses and box springs, ... We are a proud manufacturer of the finest quality mattresses and box springs, with the highest standards in durability, quality, comfort, and beauty. All of our products are to ensure that you get only the best. Profile: Low Profile (4.5"), Size: King... more

Supportive, sturdy, and easy on the eyes too, this foundation is your one-and-... Supportive, sturdy, and easy on the eyes too, this foundation is your one-and-done solution for convenient mattress support. Featuring a durable steel frame and solid wood legs, this standing box spring features simple, bolt-free assembly and comes... more

Supportive, sturdy, and easy on the eyes too, this foundation is your one-and-... Supportive, sturdy, and easy on the eyes too, this foundation is your one-and-done solution for convenient mattress support. Featuring a durable steel frame and solid wood legs, this standing box spring features simple, bolt-free assembly and comes... more

Supportive, sturdy, and easy on the eyes too, this foundation is your one-and-... Supportive, sturdy, and easy on the eyes too, this foundation is your one-and-done solution for convenient mattress support. Featuring a durable steel frame and solid wood legs, this standing box spring features simple, bolt-free assembly and comes... more

Supportive, sturdy, and easy on the eyes too, this foundation is your one-and-... Supportive, sturdy, and easy on the eyes too, this foundation is your one-and-done solution for convenient mattress support. Featuring a durable steel frame and solid wood legs, this standing box spring features simple, bolt-free assembly and comes... more

Supportive, sturdy, and easy on the eyes too, this foundation is your one-and-... Supportive, sturdy, and easy on the eyes too, this foundation is your one-and-done solution for convenient mattress support. Featuring a durable steel frame and solid wood legs, this standing box spring features simple, bolt-free assembly and comes... more

The organic cotton deluxe foundation is designed to perfectly complement your ... The organic cotton deluxe foundation is designed to perfectly complement your Naturepedic mattress. Our certified organic foundations are strong and sturdy for long-lasting support. They're made with FSC-certified North American wood and feature... more

Supportive, sturdy, and easy on the eyes too, this foundation is your one-and-... Supportive, sturdy, and easy on the eyes too, this foundation is your one-and-done solution for convenient mattress support. Featuring a durable steel frame and solid wood legs, this standing box spring features simple, bolt-free assembly and comes... more

Supportive, sturdy, and easy on the eyes too, this foundation is your one-and-... Supportive, sturdy, and easy on the eyes too, this foundation is your one-and-done solution for convenient mattress support. Featuring a durable steel frame and solid wood legs, this standing box spring features simple, bolt-free assembly and comes... more

Designed to cater to your busy lifestyle and built to last, this Jonesburg 10"... Designed to cater to your busy lifestyle and built to last, this Jonesburg 10" Metal Mattress Foundation is ready to assemble in the comfort of your home. The unique shippable design is the perfect alternative to the standard box spring. Constructed... more