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.

Perfect for what I needed. Heather. Mooresville, NC. Sat Jun 27 2026

The Serta Low Profile Box spring offers support, durability, and reduced motion. When used with a proper supportive bed frame, it helps prevent sagging and blowing for the life of the mattress

Great I loved clean nice perfect. Kayra Bencosme. Wyoming, MI. Mon Jul 15 2024

An alternative to a box spring, the Serta Mattress Foundation provides the perfect support for your mattress while adding 6" or 9" in height to your bed. Designed to provide durability and long-lasting comfort, pairing this bed base with your mattress will not only support it but can help extend its life. It also helps isolate the effect of your partner's movements in bed, so you both experience uninterrupted sleep.

It’s a nice supportive mattress!. Melissa M. Wed Jun 10 2026

The stab-base foundation provides consistent support across the bottom of the mattress to help increase durability and the longevity of your mattress.

Like my product, delivered on time, delivery men did a great job putting item in the room of my choice. Thank you. Azalea. Philadelphia, PA. Fri Apr 14 2023