The Serta stabl-base foundation is constructed from extremely durable tempered steel and premium furniture-grade lumber to provide consistent support across the bottom of the mattress. This helps increase durability and the longevity of your Serta mattress set.
Dimensions: Regular foundation is 9 inches high Low-Profile foundation is 5 inches high
Twin: 39 inches wide x 74 inches long
Twin XL: 39 inches wide x 80 inches long
Full: 54 inches wide x 74 inches long
Queen: 60 inches wide x 80 inches long
King: 76 inches wide x 80 inches long - This is a split set
California King: 72 inches wide x 84 inches long - This is a split set