Flat Foundation
Engineered to support your Stearns and Foster® mattress with a perfectly solid, flat surface.
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Designed in the USA
Crafted with care and to last
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Designed in the USA
Crafted with care and to last![]()
Free Shipping
Arrives via UPS Ground Delivery
Fashion
+ Function
The perfect mattress isn't complete without the perfect foundation. Our flat foundations are designed to take the place of a traditional box spring and can be placed directly on your existing bed frame.
Fashion
+ Function
The perfect mattress isn't complete without the perfect foundation. Our flat foundations are designed to take the place of a traditional box spring and can be placed directly on your existing bed frame.
Why You'll Love It
Perfect Match
Our solid surface foundation is crafted to provide years of stationary support. Designed and upholstered to complement our mattresses and your bedroom décor.
Why You'll Love It
Perfect Match
Our solid surface foundation is crafted to provide years of stationary support. Designed and upholstered to complement our mattresses and your bedroom décor.
Custom Comfort
Our foundations are available in a 9” height that matches a traditional box spring and a lower 5” profile for a more modern look that will easily fit through more narrow stairways.
Custom Comfort
Our foundations are available in a 9” height that matches a traditional box spring and a lower 5” profile for a more modern look that will easily fit through more narrow stairways.
Crafted
For you
Constructed with the finest textiles that enhance the look and feel of your mattress, our Stearns & Foster® Foundation is designed to complement your style.
Looking to Upgrade Your Bed?
Get a $200 instant gift when you purchase an Ease Base with your mattress. The Ease Base adds unlimited adjustable positions to help you sleep soundly at night and enhance your sleep sanctuary.
Benefits:
- Unlimited Head and Foot Positions
- Wireless Remote Control
- Zero Gravity Preset Position
- Free Delivery and In-Home Set-Up
Looking to Upgrade Your Bed?
Get a $200 instant gift when you purchase an Ease Base with your mattress. The Ease Base adds unlimited adjustable positions to help you sleep soundly at night and enhance your sleep sanctuary.
Benefits:
- Unlimited Head and Foot Positions
- Wireless Remote Control
- Zero Gravity Preset Position
- Free Delivery and In-Home Set-Up
Product Specifications
Size Availability:
Twin: 74L" x 38W"
Twin Long: 79L" x 38W"
Full: 74L" x 53W"
Queen: 79L" x 60W"
King: 79L" x 38W" (each piece/ 2-piece foundation)
CA King: 84L" x 36W" (each piece/ 2-piece foundation)
Split Queen: 79L" x 30W" (each piece/ 2-piece foundation)
Split King: 79L" x 38W" (each piece/ 2-piece foundation)
Split CA King: 83L" x 36W" (each piece/ 2-piece foundation)
Product Weight:
High Profile 9"
Twin: 31 lbs
Twin Long: 35 lbs
Full: 42 lbs
Queen: 48 lbs
King: 70 lbs (35 lbs each piece)
CA King: 70 lbs (35 lbs each piece)
Split Queen: 60 lbs (30 lbs each piece)
Split King: 70 lbs (35 lbs each piece)
Split CA King: 70 lbs (35 lbs each piece)
Low Profile 5"
Twin: 25 lbs
Twin Long: 29 lbs
Full: 38 lbs
Queen: 46 lbs
King: 58 lbs (29 lbs each piece)
CA King: 58 lbs (29 lbs each piece)
Split Queen: 58 lbs (29 lbs each piece)
Split King: 58 lbs (29 lbs each piece)
Split CA King: 56 lbs (28 lbs each piece)
Warranty & Returns:
Warranty: Your Stearns & Foster foundation is covered under a 10 year limited warranty
Return Policy: This product cannot be returned and the 90-Night Trial does not apply.
Care Instructions:
For more information on how to properly clean and care for this product, please visit our Product Care page.
Read Our Reviews
Sleep is a treasure!
Right decision!
Quality and comfortability
Great product
Perfect height
Best Foundation Ever
BUILD THE BED OF YOUR DREAMS
Discover the handmade details and finest materials that make our mattresses truly exceptional.
Upgrade to custom comfort with our Ease® Power Base—for a seamless sleep experience.
