King Koil Box Spring Foundation
Best traditional foundation for sleepers seeking reliable, long-lasting mattress support.
This foundation delivers the classic, elevated feel of a traditional box spring while offering the flexibility to choose between high or low profiles. It’s a straightforward, no-nonsense support system that prioritizes durability over bells and whistles, ensuring your mattress stays exactly where it needs to be for years.
$250.00
at
Mattress Nation
More Foundation options
Who it's for
- Sleepers needing a stable, impact-absorbing foundation
- Mattress owners wanting to prevent premature sagging
- Shoppers seeking reliable construction from a trusted brand
Who should skip it
- Users preferring low-profile beds or having accessibility needs
- People living in homes with narrow hallways or staircases
- Owners of heavy memory foam or latex mattresses
Performance breakdown
Structural Integrity
Robust build quality ensures consistent support without sagging over time.
Profile Versatility
Dual height options easily accommodate different bed frames and aesthetic preferences.
Size Availability
Comprehensive range of sizes covers almost every standard mattress configuration.
Warranty Coverage
Ten-year protection offers significant peace of mind for long-term investment.
Setup Convenience
Traditional box spring design requires standard assembly and placement effort.
Mattress Compatibility
Designed to provide the classic, firm foundation most mattresses require.
Key Specs
Profile
High, 9" or Low, 5"
Size Options
Twin, Twin Extra Long, Split California King, Full, Queen
Warranty
10 Year
Know before you buy
Still have a question?
Ask Metto anything about the King Koil Box Spring Foundation before you decide.
