The Serta Flat Mattress Foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 9" in height to your bed and is designed to provide durability and long-lasting comfort. Pairing this bed base with your mattress will support it and extend its life while helping isolate the effect of your partner's movements in bed.Helps to isolate the effect of your partner's movements in bed

Meets or exceeds Federal Fire Retardancy Standards when used with a Serta mattress.
100% Assembled in the USA
Designed to be supported by platform frames or bases with center floor support.
Your Serta Foundation comes with a 10-Year Limited Warranty. 

Mattress Top Type: Pillow Top
Mattress Type: Innerspring
Included: 1 Box Spring(s), 1 Mattress(es)
Features: Foam Layer, Temperature Regulating, Wrapped Coils, Antimicrobial, Adjustable Base Compatible
Additional Information: Conforms To Body, Suitable for Adjustable Bed Frames
Coil Count: 493 Coils
Manufacturer Warranty: 10 Year Limited
Bed Size: Twin
Measurements: 40 Width/Inches, 76 Length/Inches, 14.5 Height/Inches
Maximum Weight Limit: 1000 Lbs
Base Material: 90% Metal, 10% Foam
Comfort Type: Medium
Mattress + Box Spring Measurements: 23.5 Height/Inches
Care: Spot Clean
Certifications And Listings: Certipur-Us Certified
Mattress Height: 14.5"
Country of Origin: Made in US

Visit our

Furniture & Mattress Customer Care Center

for delivery options, protection plans and other services.
Problem with an order or need help with a return? Our Furniture & Mattress Customer Service agents will be happy to help. Give us a call at
1-800-322-1189

Don't forget to print off your 

delivery checklist


to avoid any delays or issues when delivering your item.


Set includes mattress plus box spring/foundation/base. Larger size mattress sets may feature 2-piece side-by-side foundations for easier navigation in tight spaces.