FAQ THE FOUNDATION SEE ALL CATEGORIES The Foundation FAQ Caring for Your Casper Foundation Setting Up Your Casper Foundation What should I put the foundation on? I'm having difficulty assembling the foundation. Help! Does the foundation have a weight limit? How do I assemble my foundation? About the Foundation Why do Casper mattresses need a foundation? What are the dimensions of the foundation? Tell me more about the foundation. Can I buy the foundation without buying a mattress?