For screen reader problems with this website, please call435-986-31004 3 5 9 8 6 3 1 0 0Standard carrier rates apply to texts.
My Store
St. George, UT Store
Add ZIP Code
My Store
St. George, UT Store
Add ZIP Code
Add ZIP Code

The Serta flat mattress foundation is a durable box spring alternative that provides ideal support for your Serta mattress. It adds 9 inches of height to your bed, enhances comfort, helps reduce motion transfer, and extends mattress life through stable, long-lasting construction and reliable everyday performance.Read More
View Delivery & Pickup OptionsAdd ZIP Code
Our Serta Flat Mattress Foundation is a box spring alternative and is designed for long-lasting support and reduced motion for an indulgent night’s sleep.
Helps to isolate the effect of your partner’s movements in bed
100% assembled in the USA
Shop the entire collection to complete your bedroom design.
*2-pieces foundation only, all other products sold separately. Images may not depict actual size.
General Specs | |
| Color/Finish Name | Gray |
| Mattress Size | King |
| Foundation Type | Standard |
| Width (in.) | 38 |
| Length (in.) | 80 |
| Height (in.) | 9 |
| Shipping Width (in.) | 76.5 |
| Shipping Depth (in.) | 80 |
| Shipping Height (in.) | 9 |
| Product Weight (lbs.) | 35 |
| Made In | USA |
| Manufacturer Warranty | 10 Year Limited |
| Number Included Items | 2 |