Can you purchase a bed foundation by itself? Customer Support July 19, 2019 17:55 Unfortunately, we do not sell the foundation by itself at this time. It can only be purchased along with an Aviya Mattress. Related articles Do I need to assemble my Aviya Foundation? Can I use a box spring instead of a foundation? How much does the bed foundation cost? How much does the Aviya Foundation weigh? Can I put the bed foundation on the floor?