Top 10 King Size Split Box Spring – Box Springs

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1. Zinus

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

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Zinus #ad - 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.

The last box spring you’ll 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. 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. Thoughtfully packaged - All parts, tools and instructions are packed into one compact box that ships straight to your door. High profile design - a 9 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor.
BrandZinus #ad
ManufacturerZinus - DROPSHIP #ad
Height9 Inches
Length79 Inches
Weight44.97 Pounds
Width75.5 Inches
Part NumberOLB-ABS-9K
ModelOLB-ABS-9K

2. Zinus

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

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Zinus #ad - Box spring: a bed frame or platform bed is required to support this foundation sold separately. 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. 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. 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. Dimensions: 79" x 75. 5" x 4" | weight: 508 lb.
BrandZinus #ad
ManufacturerZinus #ad
Height4 Inches
Length79 Inches
Weight50.79 Pounds
Width75.5 Inches
Part NumberOLB-BIFD-4K
ModelOLB-BIFD-4K

3. AmazonBasics

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5-Inch, AmazonBasics Mattress Foundation / Smart Box Spring for King Size Bed, King, Tool-Free Easy Assembly

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AmazonBasics #ad - Measures 5 inches deep; backed by an AmazonBasics 1-year limited warranty. Durable steel frame and horizontal slats provide sturdy, reliable support for any same-size mattress.

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.22-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.
BrandAmazonBasics #ad
ManufacturerAmazonBasics #ad
Height5 Inches
Length79 Inches
Weight40.48 Pounds
Width75.5 Inches
Part NumberAMZ-5KDBS-K2
ModelAMZ-5KDBS-K2

4. Spring Solution

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Beige, Spring Solution 8-inch Fully Assembled Wood Split Traditional Box Spring/Foundation For Mattress, Full Size

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Spring Solution #ad - Box dimensions: 75x54x8. Fast shipping: Very Compact resulting fast and easy shipment. Easy to carry: box spring comes split in two to easily pass through narrow hallways & doors.

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. Will work great with lower profile mattresses: the 8 inch box spring will give a perfect height for you mattress. 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. Full size measurement: length-75 inches x Width-54 x Height-8 Weighs-20 lbs.
BrandSpring Solution #ad
ManufacturerSpring Solution #ad
Height8 Inches
Length74 Inches
Weight25 Pounds
Width53 Inches
Part Number440A-4/6-3S
Model8-inch

5. Zinus

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Split King, Zinus Jayanna 7.5 Inch BiFold Box Spring / Mattress Foundation / Zero Assembly / Sturdy Metal Structure

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Zinus #ad - 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. 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. Thoughtfully packaged - All parts and instructions are packed into one compact box that ships straight to your door.
BrandZinus #ad
ManufacturerZinus #ad
Height7.5 Inches
Length79 Inches
Weight54.67 Pounds
Width75 Inches
Part NumberSM-SC-BIFD-75SK
ModelSM-SC-BIFD-75SK

6. Spinal Solution

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Sensation Collection, Spinal Solution 8-Inch Queen Size Fully Assembled Split Foundation Box Spring for Mattress

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Spinal Solution #ad - Box spring comes split in two to easily pass through narrow hallways & doors. Very compact resulting fast and easy shipment. This box spring is good for all mattresses. Made out of 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. Shipped fully assembled and ready to use, open the box and the mattress is ready to use.
BrandSpinal Solution #ad
ManufacturerSpinal Solution #ad
Height8 Inches
Length79 Inches
Weight50 Pounds
Width60 Inches
Part Number1
Model30-5/0-3S

7. Zinus

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

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Zinus #ad - 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.

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. The last box spring you’ll 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. Thoughtfully packaged - All parts, tools and instructions are packed into one compact box that ships straight to your door.
BrandZinus #ad
ManufacturerZinus #ad
Height7 Inches
Length75.5 Inches
Weight47.02 Pounds
Width79 Inches
Part NumberOLB-ABS-7K
ModelOLB-ABS-7K

8. Zinus

#ad

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

#ad
Zinus #ad - Low profile design - a 5 inch height is perfect for taller mattresses or for those who enjoy their bed lower to the floor. The last box spring you’ll 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. 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. Thoughtfully packaged - All parts, tools and instructions are packed into one compact box that ships straight to your door.
BrandZinus #ad
ManufacturerZinus #ad
Height5 Inches
Length79 Inches
Weight46.05 Pounds
Width75.5 Inches
Part NumberOLB-ABS-5K
ModelOLB-ABS-5K

9. Greaton

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Greaton For Mattress 8-Inch Split Box Spring, King

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Greaton #ad - Very compact resulting fast and easy shipment. Length-80 inches x width-78 x height-8 weighs-24 lbs. The 4 inch box spring will give a perfect height for you mattress. Shipped fully assembled and ready to use, open the box and the mattress is ready to use. Box dimensions: 80x39x16. Length-80 inches x width-78 x height-8 weighs-24 lbs. This box spring is good for all mattresses. Box dimensions: 80x39x16.
BrandGreaton #ad
ManufacturerGreaton #ad
Height8 Inches
Length79 Inches
Width78 Inches
Part Number49-6/6-3
ModelFully Assemled

10. Zinus

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Zinus Jayanna 9 Inch BiFold Box Spring / Mattress Foundation / Zero Assembly / Sturdy Metal Structure / High Profile, Split King

#ad
Zinus #ad - Thoughtfully packaged - All parts and instructions are packed into one compact box that ships straight to your door. 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. 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. High profile design - an 8 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor.
BrandZinus #ad
ManufacturerZinus - DROPSHIP #ad
Height9 Inches
Length38 Inches
Weight56.88 Pounds
Width79 Inches
Part NumberSM-SC-BIFD-9SK
ModelSM-SC-BIFD-9SK