But that's not our only advantage. At The Decking Superstore, our covered San Francisco Bay Area warehouse spans over 2 acres, and there's no waiting to ship from an out-of-state warehouse. We also provide on-site custom milling, delivering custom patterns and profiles in the shortest turn-around time possible. If you want top-of-the-line decking and siding materials delivered straight to your job site in a timely fashion, you've come to the right place.