Beautyrest® foundations provide the perfect support for your Beautyrest® mattress and is designed to provide durability and long-lasting comfort. Pairing the matching foundation to your Beautyrest® mattress helps extend the life of your product. Our foundations include a spruce framework and welded steel elements for greater support and durability. Beautyrest® foundations meet or exceed Federal Fire Retardancy Standards when used with a compatible Beautyrest® mattress.