Sealy® StableSupport™ Foundation

The Sealy® StableSupport™ Foundation is engineered to maximize the performance and longevity of your Sealy® mattress. Built with a durable, high-quality frame, it delivers consistent, even support across the entire sleep surface — so your mattress performs exactly as designed, night after night. Available in high profile (9") and low profile (5") options, this foundation works with virtually any standard bed frame and supports all mattress types — foam, innerspring, or hybrid. Shop in-store at our Magnolia, TX showroom or order online with confidence. Key Features High profile raises your mattress up to 9" over frame — ideal for easier in/out of bed. Low profile raises your mattress up to 5" over frame — great for taller mattresses or platform-style looks. Compatible with all mattress types: foam, innerspring, and hybrid. Fits most standard bed frames. King and CA King foundations ship in 2 pieces for easy delivery and setup. Backed by a 10-year limited warranty. Available Sizes Twin: 74" x 38" Twin Long: 79" x 38" Full: 74" x 53" Queen: 79" x 60" King/Split King: 79" x 38" (each piece/2-piece foundation) CA King/Split CA King: 83" x 72" (each piece/2-piece foundation) *Product sizes are listed in Length x Width. Please note: This product cannot be returned and the 90-Night Trial does not apply.