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.

It fits perfectly on my metal frame foundation. Wanda. US. Mon Jul 15 2024

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. Sun Jul 14 2024

Discover the foundational piece your bedroom with our mattress foundation, a testament to understated elegance and robust support. Handcrafted with precision, the slats are arranged to cradle your mattress, ensuring stability that lasts through years of restful slumbers. The unique combination of Kara-Guard padding, in place of ordinary cardboard, offers a silent guardian against noise, so your peace is never disturbed. Whether you choose the stately 9” regular profile or the sleek 5” low profile, this box spring is a canvas for comfort in any bedroom. Opt for this crafted foundation and transform your bed into a bastion of serene sleep.

It’s a boxspring and certainly does what it does what it needs to! Happy to have easy delivery and set up. Now just waiting for the mattress.. Christine. Wales, WI. Wed Apr 22 2026

This box spring offers support, durability, and reduced motion. When used with a proper supportive bed frame, it helps prevent sagging and bowing for the life of the mattress.

Great quality! Sleek design. Dironda. Mckinney, TX. Sun Apr 12 2026

This heavy-duty box spring extends the life of your mattress while providing a solid foundation for restful sleep. Built for lasting support, the steel frame resists sagging and wear, offering reliable structure over time. It's wrapped in a neutral fabric cover, so it blends seamlessly with most bed frames and bedroom aesthetics. Plus, it provides a low-profile foundation for all mattress types. We love how this box spring ensures stability, reduces motion transfer, and supports an even sleep surface – making it a smart, no-fuss addition to any setup.

I ended up no using it because my new bed didn’t need it but it is well built folds out and material zips up tight. I ended up giving them to my grandchildren for their beds. Anonymous. Tue Apr 14 2026

Discover the foundational piece your bedroom with our mattress foundation, a testament to understated elegance and robust support. Handcrafted with precision, the slats are arranged to cradle your mattress, ensuring stability that lasts through years of restful slumbers. The unique combination of Kara-Guard padding, in place of ordinary cardboard, offers a silent guardian against noise, so your peace is never disturbed. Whether you choose the stately 9” regular profile or the sleek 5” low profile, this box spring is a canvas for comfort in any bedroom. Opt for this crafted foundation and transform your bed into a bastion of serene sleep.

It’s a boxspring and certainly does what it does what it needs to! Happy to have easy delivery and set up. Now just waiting for the mattress.. Christine. Wales, WI. Wed Apr 22 2026