Generally more durable and affordable. Many "smart" metal box springs, like those from Zinus (at Amazon ), are rated for up to 3,000 lbs .
Modern foundations have largely shifted from actual springs to rigid frames. how to buy a box spring
Best if you have a thin mattress or want a tall, traditional bed height. Generally more durable and affordable
Often called "bunkie boards," these provide support without adding significant height. 2. Pick Your Material are rated for up to 3