Top 10 Best King Size Foundation

of November 2024
1
Best ChoiceBest Choice
ZINUS 9 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame
Zinus
Zinus
10
Exceptional
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2
Best ValueBest Value
Best Price Mattress 14 Inch Metal Platform Beds w/ Heavy Duty Steel Slat
Best Price Mattress
Best Price Mattress
9.9
Exceptional
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3
ZINUS Metal Box Spring with Wood Slats /4 Inch Mattress Foundation / Sturdy
Zinus
Zinus
9.8
Exceptional
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4
Casper Sleep Box Spring Foundation for King Mattress
Casper Sleep
Casper Sleep
9.7
Exceptional
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5
ZINUS 7 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame
Zinus
Zinus
9.6
Exceptional
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6
Amazon Basics Smart Box Spring Bed Base, 5-Inch Mattress Foundation - King
Amazon Basics
Amazon Basics
9.5
Excellent
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7
ZINUS Upholstered Metal Box Spring with Wood Slats / 7.5 Inch Mattress
Zinus
Zinus
9.4
Excellent
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8
Zinus Van 16 Inch Metal Platform Bed Frame with Steel Slat Support / Mattress
Zinus
Zinus
9.3
Excellent
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9
ZINUS 5 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame
Zinus
Zinus
9.2
Excellent
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10
ZINUS Quick Lock Metal Smart Box Spring / 9 Inch Mattress Foundation / Strong
Zinus
Zinus
9.1
Excellent
View on Amazon

About King Size Foundation

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ZINUS 9 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame / Easy Assembly, King

THE LAST BOX SPRING YOULL EVER NEED - Unlike a traditional box spring, the Smart box spring is made of solid steel that comes together in no time.. DURABLY ENGINEERED - Durable steel is used to construct the inside framework of this foundation twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs. HIGH PROFILE DESIGN - A 9 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor For the fastest resolution and to avoid delays, please describe your issue as precisely as possible. THOUGHTFULLY PACKAGED - All parts, tools and instructions are packed into one compact box that ships straight to your door. Worry-free 5 year limited warranty included box spring only, a bed frame or platform bed is required to support this foundation and is sold separately.

Best Price Mattress 14 Inch Metal Platform Beds w/ Heavy Duty Steel Slat Mattress Foundation (No Box Spring Needed), King Size, Black

King platform bed frame with steel slat mattress foundation No box spring needed. Durable and noise free construction with heavy duty steel 9 leg and center bar support. 12 inches vertical clearance for convenient under the bed storage space. Easy to assemble No tools required and assembled in minutes. Product dimension l 76 inches x w 80 inches x h 14 inches 5 year manufacturer warranty.

ZINUS Metal Box Spring with Wood Slats /4 Inch Mattress Foundation / Sturdy Steel Structure / Easy Assembly, King

A MATTRESS GAME-CHANGER This box spring is built with all of the trusted support we put into our ever-so-popular platform beds, and this box spring has the total package - an unwavering steel structure, reliable, closely spaced wood slats and a cleverly developed, well, package. DURABLY ENGINEERED - Durable steel and wood slats are used to construct the interior framework of this foundation twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs. LOW PROFILE DESIGN - A 4 inch height is perfect for taller mattresses or for those who enjoy their bed lower to the floor. THOUGHTFULLY PACKAGED - All parts, tools and instructions are packed into one compact box that ships straight to your door. Worry-free 5 year limited warranty included box spring only, a bed frame or platform bed is required to support this foundation and is sold separately.

Casper Sleep Box Spring Foundation for King Mattress

Foundation dimensions 75.5 W x 79 L x 7.5 H Metal Bed Frame 76.2 W x 76.7 L x 7.3 H Weight 89 lbs. Hold weight 750 lbs. Slats distance from each other 4. Ships in a compact box and can be easily assembled in minutes - without any tools Designed and assembled in the USA Non-Woven Interior and Slat Upholstery. The Casper foundation is engineered to provide excellent support under your Casper mattress but can be used with other mattresses in place of a traditional box spring. Engineered with solid wood and rigorously tested for durability and proven to stand up to years of sleep. Slats are positioned a perfect four inches apart for optimal support. Compatibility-works with any mattress. Requires a simple metal bed frame, slatted bed frame, or a platform if you want extra height. The foundation should not be put directly on the floor.

ZINUS 7 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame / Easy Assembly, King

THE LAST BOX SPRING YOULL EVER NEED - Unlike a traditional box spring, the Smart box spring is made of solid steel that comes together in no time and is backed by our Zinus Peace of Mind 5 year warranty. DURABLY ENGINEERED - Durable steel is used to construct the inside framework of this foundation twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs. THOUGHTFULLY PACKAGED - All parts, tools and instructions are packed into one compact box that ships straight to your door. Box spring only, a bed frame or platform bed is required to support this foundation and is sold separately. Worry-free 5 year limited warranty included.

Amazon Basics Smart Box Spring Bed Base, 5-Inch Mattress Foundation - King Size, Tool-Free Easy Assembly

The look and functionality of a traditional box spring, but made from steel to support any spring, memory foam, or hybrid mattress. Durable steel frame and horizontal slats provide sturdy, reliable support for any same-size mattress. 2-piece fabric top and bottom covers the frame and zips together for full coverage cover is removable for spot cleaning. Easy tool-free assembly frame construction allows for easy assembly in minutes with no tools required. Foldable steel frame packs into one smart package for fast, convenient delivery to your front door. King dimensions 5 x 79 x 75.5 inches HxLxW.

ZINUS Upholstered Metal Box Spring with Wood Slats / 7.5 Inch Mattress Foundation / Easy Assembly / Fabric Paneled Design, King

DIMENSIONS 76 X 79 X 7.5 WEIGHT 57 lb. DURABLY ENGINEERED - Thick steel interior framework and 2.8 inch wood slats are covered in a durable woven grey fabric supports any latex, memory foam or spring mattress. CUSTOMIZE THE HEIGHT OF THE BED - With 3 different profiles available, you can choose to make your bed as high or low as you like twin size can support upto 350 lbs, and all other sizes can support upto 700 lbs. THOUGHTFULLY PACKAGED - All parts, tools and instructions are packed into one compact box that ships straight to your door easily assembles in less than an hour. STYLE SUBSTANCE - Designed to keep up with appearances, this metal framed foundation offers a twist on traditional featuring thick wooden slats, a steel structure and grey fabric panels for an upholstered look that complements your mattress and bed frame. Worry-free 5 year warranty included box spring only, a bed frame or platform bed is required to support this foundation and is sold separately.

Zinus Van 16 Inch Metal Platform Bed Frame with Steel Slat Support / Mattress Foundation, King

Strong support with steel slats prevents sagging and increases mattress life. Eliminates the need for a box spring. Assembles easily in minutes 14 inches of clearance under the frame for valuable under bed storage space. Foam padded tape is added to the steel frame for noise free use for Full, Queen and King sizes. Total Weight Capacity-700 pounds. Available in Twin, Full, Queen and King sizes.

ZINUS 5 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame / Easy Assembly, King

THE LAST BOX SPRING YOULL EVER NEED - Unlike a traditional box spring, the Smart box spring is made of solid steel that comes together in no time and is backed by our Zinus Peace of Mind 5 year warranty. DURABLY ENGINEERED - Durable steel is used to construct the inside framework of this foundation twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs. LOW PROFILE DESIGN - A 5 inch height is perfect for taller mattresses or for those who enjoy their bed lower to the floor. THOUGHTFULLY PACKAGED - All parts, tools and instructions are packed into one compact box that ships straight to your door. Worry-free 5 year limited warranty included box spring only, a bed frame or platform bed is required to support this foundation and is sold separately. Core Composition Steel Frames, Fabric Non Woven with Jacquard Boarder.

ZINUS Quick Lock Metal Smart Box Spring / 9 Inch Mattress Foundation / Strong Metal Structure / Easy Assembly, King

HASSLE HEADACHE FREE - The Quick Lock Metal Smart Box Spring comes together with easy-to-follow instructions, fewer bolts and absolutely no headaches assembly thats intuitive and packaging that seems to defy the laws of physics - now thats what we call a new-age box spring. DURABLY ENGINEERED - A durable steel frame is used to construct the interior framework of this foundation twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs. HIGH PROFILE DESIGN - A 9 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor. THOUGHTFULLY PACKAGED - All parts, tools and instructions are packed into one compact box that ships straight to your door Quick Snap assembly system makes set-up intuitive and stress-free. Worry-free 5 year limited warranty included box spring only, a bed frame or platform bed is required to support this foundation and is sold separately.
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