If you're upgrading your sleep setup, you'll need to decide between a foundation versus box spring. When it comes to your sleeping environment, it's not just your choice of mattress that's important.

The caisson is often built elsewhere, and then transported to the construction site. Box caissons, with their open top and closed bottom, are sometimes used for bridges over oceans. A foundation ...

it is this great box full of concrete, which, when the lower chamber has also been filled with the same material, forms the foundation for which purpose the caisson is built. The steel tubes ...

Rapidly growing demands for stable foundations and growing underwater and water infrastructure designs are further driving the growth of the global caisson foundation market in the upcoming five ...

And if you do happen to need additional support for your mattress, it likely won’t be a box spring, but a mattress foundation. The modern mattress foundation — the hollow, box-spring-esque ...