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

This steel box spring with included cover integrating with the bed frame to deliver essential base support. It is in a neutral gray and black shade compatible with most décors.

Box spring kind of fooled me at first. I was looking for a normal set. But it was very easy to put together. It also didn’t take long at all.. Anonymous. Sun Apr 19 2026

Welcome to the Alwyn Home! Here we offer you the best prices for the best quality. Come have a look at our latest Split Fully Assembled Box Spring for Mattress from our Alwyn Home collection. This design is handcrafted so that you forget back pains and discomfort forever. Lay down your favorite mattress on our box spring to enjoy the beautiful sleep you always wanted. The equally distant slats and wood frame do not let the frame loosen up and are strong enough to handle various kinds of duress. You don’t need to worry about a squeaky bed frame ever again. The excellent packaging and design of the box spring are pre-assembled, just the perfect fit for your bedroom. The product is lightweight even as a traditional box spring and lets you have these benefits in assorted sizes namely: Twin, Twin-XL, Full, Full XL, Queen, King, and California King. We have twin profiles of the product in 4” and 8” thicknesses crafted just for your needs.

Great box spring for my growing grandson. Eileen. Bushkill, PA. Sat May 02 2026

Designed to cater to your busy lifestyle and built to last, this innovative Hudgens is ready to assemble in the comfort of your home. The unique shippable design is the perfect alternative to the standard box spring. Constructed of sturdy metal instead of wood for greater durability and longevity, this is the last Hudgens you’ll ever need. Now you can have the support and comfort of a box spring without ever having to leave your house.

This box spring is great. Easy to assemble and just the right height.. Ayodale. Lincoln, NE. Fri Dec 05 2025

We are a proud manufacturer of the finest quality box Springs, with the highest standards in durability, quality, comfort, & beauty. All of our products are made in the USA to ensure that you get only the best! This item is part of our Hollywood collection, it has the following features: this box spring is uniquely designed to give you the kind of undisturbed sleep nature intended. Wood foundation, Continental box meets federal standards 1632 and 1633 fire code.

In my photo you can see the 4 inch box spring that I chose for my queen bed. I'm so glad I didn't go with the 2-in nor the 6-in, this one falls right in the middle and is just right for me. I wanted something that I did not have to assemble, this is perfect comes pre-assembled, hooray! I also didn't want a metal box spring because metal attracts EMFs, and although at an extremely low amount I still am not a comfortable with metal box springs. This wooden box spring is truly pre-assembled and comes in two sections so it's easier to move into the room of choice. And that's it just lay it on your foundation and you're ready to go!. Princess Marty. MI. Mon Mar 23 2026

A sturdy RTA mattress foundation for a restful night's sleep at a value-added price! This box spring foundation technology is designed to extend the life of your mattress while evenly distributing weight, and providing support and stability that reduces mattress movement. The complete frame is wrapped in a woven polyester fabric cover. While easy to transport, this frame fits and stores in tight spaces and is ready to assemble in any bedroom space to suit your needs.

Easy to put together and it has been VERY STURDY so far. O Reid. Fairfield Oh. Fri Apr 03 2026