15 best mattress foundation cal king for 2020

It took days of going through more than a thousand customer reviews and conducting expert researches to narrow down the list. Weve included a comparison table below to give you a quick summary of our top 15 mattress foundation cal king. Its followed by an in-depth review of each mattress foundation cal king. Hopefully, once you are done reading this article, you will be well informed about mattress foundation cal king and be able to select the right mattress foundation cal king for you without any hesitations.

Best mattress foundation cal king

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Best mattress foundation cal king reviews

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

Feature

Strong and Sturdy steel structure
Convenient and compact packaging
All tools included for easy assembly
Available in Twin, Twin XL, Full, Queen, King , Cal King
Worry free 5 year limited warranty / Box Spring only, Bed frame sold separately

Description

Enjoy the strong support and convenience of the new 9 inch high Smart Box Spring by Zinus. Offers the look and functionality of a traditional box spring, but made from steel for longer-lasting durability. Compact packaging allows for tight interior spaces such as stairs and hallways. Easy assembly with all the needed tools included. Another comfort innovation from Zinus. Pioneering comfort.

2. Zinus Shawn 14 Inch Metal SmartBase Bed Frame / Platform Bed Frame / No Box Spring Needed / Sturdy Steel Frame / Underbed Storage, California King

Feature

14 inches high with 13 inches of Clearance under the frame for valuable under bed storage space
No tools are required, assembles in minutes
Best fit for average weight people
Replaces bed frame and box spring
Requires the use of SmartBase headboard brackets to connect to a headboard

Description

The Next Generation Bed Frame - The SmartBase Mattress Foundation by Zinus. The SmartBase eliminates the need for a box spring as your memory foam, spring or latex mattress should be placed directly on the SmartBase. Uniquely designed for optimum support and durability the strong steel mattress support has multiple points of contact with the floor for stability and prevents mattress sagging, increasing mattress life. The SmartBase bed frame is 14 inches high with 13 inches of clearance under the frame for valuable under-bed storage space. With plastic caps to protect your floors and an innovative folding design to allow for easy storage, the SmartBase is well designed for ease of use. 5-year limited warranty. Another comfort innovation from Zinus. Pioneering comfort.

3. Olee Sleep 18 Inch Tall Heavy Duty Steel Slat/ Anti-slip Support/ Easy Assembly/ Mattress Foundation/ Maximum Storage/ Noise Free/ No Box Spring Needed, Black

Feature

18 inch tall bed frame - more under-bed storage and box spring free
Sturdy steel slats can support heavier deluxe mattress, no worries from the slats breaking down
Easy to set up with minimal assembly, sturdy mattress support
Ultimate strength and durability, unique steel slat structure and noise free construction with reinforced leg structure
Easy assembly

Description

Olee Sleep t-3000 steel slat bed frame is back with extra height. We have added 4 inches, which makes the height to 18 inches. 18 inch high profile allows you to make full use for under bed storage, and forget the box springs. It is just the right height for everyone easy assembly, yet strong bed frame. Forget the weak squeaking wood slats as well. Offering the best, just for you.

4. Classic Brands Instant Foundation Low Profile 4-Inch Box-Spring Replacement, California King

Feature

72" W x 84" L x 4" H
Easy to assemble instant foundation is a low-cost solution that provides perfect support for today's higher profile mattresses
Strong and sturdy foundation supports today's heavier mattresses including Memory Foam and Latex beds and actually increases the mattress's longevity by preventing sagging
Low profile foundation is durable, noise-free, and offers easier access to those who may have difficulty getting onto a higher bed (mattress, frame, and headboard sold separately)
Handcrafted of solid spruce in the USA by the Pennsylvania Amish
Package delivers to your doorstep and fits easily through tight hallways or narrow stairwells
Ready for assembly; most tools and easy to follow instructions are included
5 Star Customer Service; Available 7 days a week

5. Zinus 12 Inch Green Tea Memory Foam Mattress / CertiPUR-US Certified / Bed-in-a-Box / Pressure Relieving, California King

Feature

THE RIGHT COMBINATION - Our special recipe for rejuvenating rest? Refreshing green tea and moisture-absorbing Activ charcoal infused into pressure-relieving memory foam that cradles your shape so you awake free of aches and pains and fresh as a daisy
CERTIPUR US CERTIFIED - Highest quality foam is CertiPUR US Certified for durability, performance, and content
EXPERTLY PACKAGED - Our technology allows this mattress to be efficiently compressed into one box thats easily shipped and maneuvered into the bedroom; simply unbox, unroll and this mattress does the rest, expanding to its original shape within 72 hours
Worry-free 10 year limited warranty included; twin mattress supports a maximum weight of 250 lbs, while all other sizes can support up to 500 lbs
PRESSURE-RELIEVING FOAMS - 3 inches conforming memory foam, 2 inches soft, airflow enhancing comfort foam, and 7 inches durable, high density base support foam; ideal for side sleepers and petite to average weight sleepers

6. Zinus Dawn 14 Inch Easy To Assemble SmartBase Mattress Foundation / Platform Bed Frame / Box Spring Replacement, Cal King

Feature

14 inches high with 12.5 inches of Clearance under the frame for valuable under bed storage space
Eliminates the Need for a traditional box Spring and bed frame
Compact design allows for tight spaces such as staircases and doorways
Multiple points of contact to the floor for level support / Sturdy Steel structure protects your mattress by providing strong level support
Requires the use of SmartBase headboard brackets to connect to a headboard

7. Zinus Armita 9 Inch Smart Box Spring / Mattress Foundation / Built-to-Last Metal Structure / High Profile / Easy Assembly, California King

Feature

THE LAST BOX SPRING YOULL EVER NEED - Unlike a traditional box spring, the Armita 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; slats are spaced 6 - 7 inches apart; twin size supports a maximum weight capacity of 250 lbs, while all other sizes can support up to 500 lbs
HIGH PROFILE DESIGN - A 9 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor.Care & Cleaning: Spot or Wipe Clean
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

8. Best Price Mattress 7.5" New Steel Box Spring/Mattress Foundation-California King

Feature

No assembly required- remove from box, unfold, and lay your mattress on top
Heavy-duty steel construction with fabric cover
A non-skid fabric in the center helps to keep mattress in place
5 year warranty

9. Zinus Casey 18-Inch SmartBase Mattress Foundation | 4" High Extra for under bed storage | No box spring required | Cal King

Feature

Your purchase includes One Zinus Casey Premium SmartBase 18-Inch Mattress Foundation in Cal King Size. Mattress is not included
Bed frame dimensions: 72" W x 84" L x 18" H. Bed frame weight: 40.7 lbs. | Clearance space: 17 | Core Composition Steel Frames and wires
Compatible frames: memory foam, spring and/or pillow top mattresses
Requires the use of SmartBase headboard brackets (not included) to connect to a headboard
Smartbases do not require a box spring, in fact the added height is meant to replace the box spring and provide you with ample storage space using our "Smart" patented design

10. Zinus Armita 5 Inch Smart Box Spring / Mattress Foundation / Built-to-Last Metal Structure / Low Profile / Easy Assembly, California King

Feature

THE LAST BOX SPRING YOULL EVER NEED - Unlike a traditional box spring, the Armita 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; slats are spaced 6 - 7 inches apart; twin size supports a maximum weight capacity of 250 lbs, while all other sizes can support up to 500 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

11. Zinus Jayanna 4 Inch BiFold Box Spring / Mattress Foundation / Zero Assembly / Sturdy Metal Structure / Low Profile, California King

Feature

DIMENSIONS: 83" X 71.5" X 4" | Weight: 49.9 lb
BOX SPRING: A bed frame or platform bed is required to support this foundation (sold separately)
AS SIMPLE AS UNFOLD & UNWIND - Requiring no tools and zero tedious assembly, the innovative BiFold 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; slats are spaced 2.8 inches apart; twin size supports a maximum weight capacity of 250 lbs, while all other sizes can support up to 500 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 and instructions are packed into one compact box that ships straight to your door

12. Zinus Armita 7 Inch Smart Box Spring / Mattress Foundation / Built-to-Last Metal Structure / Easy Assembly, California King

Feature

THE LAST BOX SPRING YOULL EVER NEED - Unlike a traditional box spring, the Armita 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; slats are spaced 6 - 7 inches apart; twin size supports a maximum weight capacity of 250 lbs, while all other sizes can support up to 500 lbs
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

13. Zinus Walter 9 Inch Smart Box Spring / Mattress Foundation / Built-to-Last Wood & Metal Structure / High Profile / Easy Assembly, California King

Feature

A MATTRESS GAME-CHANGER - Any decent mattress needs a good foundation behind it, and the Walter 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; slats are spaced 2.5 - 2.9 inches apart; twin size supports a maximum weight capacity of 250 lbs, while all other sizes can support up to 500 lbs
HIGH PROFILE DESIGN - A 9 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor
Dimensions and Weight: CalKing: 83" X 71.5" X 9", 65.23 lb
THOUGHTFULLY PACKAGED - All parts, tools and instructions are packed into one compact box that ships straight to your door
FOAM PADDED TAPE is added to the steel frame for noise-free use and non-slip tape on the wooden slats prevents your mattress from moving
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

14. PrimaSleep 18 Inch Heavy Duty Steel Slat NON-SLIP Bed Frame,California King

Feature

18-Inch tall Steel bed frame
More under bed storage and no box Spring required
Sturdy Steel slats can support heavier Deluxe mattress and no worries from the slats breaking Down
Ultimate strength and durability: unique Steel slat structure and noise free Construction with reinforced Leg structure
Easy to Set up with minimal assembly

15. AmazonBasics Mattress Foundation / Smart Box Spring for Cal King Size Bed, Tool-Free Easy Assembly - 9-Inch, Cal King

Feature

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 9 inches deep; backed by an AmazonBasics 1-year limited warranty

Conclusion

By our suggestions above, we hope that you can found the best mattress foundation cal king for you. Please don't forget to share your experience by comment in this post. Thank you!