Top 10 Best Cal King Box Spring

of November 2024
1
Best ChoiceBest Choice
Split Cal King SureGuard Box Spring Encasement Pack - 100% Waterproof, Bed Bug
SureGuard Mattress Protectors
SureGuard Mattress Protectors
10
Exceptional
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2
Best ValueBest Value
Amazon Basics Smart Box Spring Bed Base, 9-Inch Mattress Foundation - Cal King,
Amazon Basics
Amazon Basics
9.9
Exceptional
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3
ZINUS 5 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame
Zinus
Zinus
9.8
Exceptional
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4
ZINUS 7 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame
Zinus
Zinus
9.7
Exceptional
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5
Amazon Basics Mattress Foundation, Smart Box Spring, Tool-Free Easy Assembly -
Amazon Basics
Amazon Basics
9.6
Exceptional
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6
ZINUS No Assembly Metal Box Spring / 4 Inch White Mattress Foundation / Sturdy
Zinus
Zinus
9.5
Excellent
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7
ZINUS No Assembly Metal Box Spring / 9 Inch White Mattress Foundation / Sturdy
Zinus
Zinus
9.4
Excellent
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8
ZINUS 9 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame
Zinus
Zinus
9.3
Excellent
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9
ZINUS Metal Box Spring with Wood Slats /9 Inch Mattress Foundation / Sturdy
Zinus
Zinus
9.2
Excellent
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10
Casper Sleep Box Spring Foundation for California King Mattress
Casper Sleep
Casper Sleep
9.1
Excellent
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11
Greaton Fully Assembled Split Low Profile Wood Traditional Box
Greaton
Greaton
9.0
Excellent
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About Cal King Box Spring

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Split Cal King SureGuard Box Spring Encasement Pack - 100% Waterproof, Bed Bug Proof, Hypoallergenic - Premium Zippered Six-Sided Covers White

100 Waterproof - Six-sided premium protection against everyday liquids and stains 10-year quality guarantee. Bed Bug Proof - Super fine zipper with Invisi-Zip and SureSeal technology completely seals off the box springs from bed bugs - use with a SureGuard Mattress Encasement. Hypoallergenic - Keeps Your Box Springs Clean Fresh - Blocks dust mites, mold, mildew, pollen and pet dander on all sides.. Soft Noiseless - Smooth stretch-knit surface hugs to your box-spring like a glove - Free from Vinyl, PVC, Phthalates, fire retardants and other toxic chemicals. Split Cal King 2 pieces, 36 in x 84 in - Fits 8 to 11 inches deep Zippered Box Spring Covers - Machine wash and dry. Independently lab tested and GREENGUARD Gold certified..

Amazon Basics Smart Box Spring Bed Base, 9-Inch Mattress Foundation - Cal King, 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. NOTE The product does not include legs.. 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. California King dimensions 9 x 83 x 71 inches HxLxW.

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

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

Offers the look and functionality of a traditional box spring, but made from steel for longer-lasting durability sturdy enough to support any spring, 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 zip securely together for full coverage cover is removable for spot cleaning. Easy Assembly New frame construction allows for easy assembly in minutes with no tools required. Foldable steel frame to be packed in one smart package and faster delivery to your front. Measures 7 inches deep.

ZINUS No Assembly Metal Box Spring / 4 Inch White Mattress Foundation / Sturdy Metal Structure, Split Cal King

AS SIMPLE AS UNFOLD UNWIND - Requiring no tools and zero tedious assembly, the innovative No Assembly box spring requires only unfolding to become bedtime ready the hardest part will be taking it out of the box. DURABLY ENGINEERED - Durable steel is used to construct the interior framework of this reliable foundation twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs King and Cal King sizes are split versions. 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 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.

ZINUS No Assembly Metal Box Spring / 9 Inch White Mattress Foundation / Sturdy Metal Structure, Split Cal King

AS SIMPLE AS UNFOLD UNWIND - Requiring no tools and zero tedious assembly, the innovative No Assembly box spring requires only unfolding to become bedtime ready the hardest part will be taking it out of the box. DURABLY ENGINEERED - Durable steel is used to construct the interior framework of this reliable foundation twin supports a maximum weight capacity of 350 lbs, while aother sizes can support up to 700 lbs Queen, King and Cal King sizes are split versions. 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 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.

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.

ZINUS Metal Box Spring with Wood Slats /9 Inch Mattress Foundation / Sturdy Steel Structure / Easy Assembly, California King

A MATTRESS GAME-CHANGER - Any decent mattress needs a good foundation behind it, and this box spring is one of our best built with all of the trusted support we put into our ever-so-popular platform beds, this game-changing box spring has the total package - an unwavering steel structure, reliable, closely spaced wood slats and a compact, 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. 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. 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  California King Size.

Casper Sleep Box Spring Foundation for California King Mattress

Foundation dimensions 71.5 W x 83 L x 7.5 H Metal Bed Frame 72.2 W x 76.7 L x 7.3 H Weight 88.8 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.

Greaton Fully Assembled Split Low Profile Wood Traditional Box Spring/Foundation For Mattress Set, California King, 72x84

EASY TO CARRY Box spring comes split in two to easily pass through narrow hallways doors. STRONG AND STURDY made from strong traditional wood structure, made of light yet dense lumber which prevents the box to loosen up and crack and keeps the mattress in perfect shape. WORKS WITH ALL MATTRESSES this box spring is good for all mattresses. NO ASSEMBLY REQUIRED Shipped fully assembled and ready to use, open the box and the mattress is ready to use. FAST SHIPPING Very Compact resulting fast and easy shipment. WILL WORK GREAT WITH HIGHER PROFILE MATTRESSES the 4 inch box spring will give a perfect height for you mattress. CALIFORNIA KING SIZE MEASUREMENT Length-84 inches x Width-72 x Height-4 Weighs-24 lbs. Box Dimensions 84x72x8.
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