Stone Base for Shed Narvon, PA The stone foundation provides the perfect base for a large backyard shed. The customer chose to paint the border and can’t wait to store his tractor in the shed! The stone extends from the backyard to create easy access from the road to the shed. After the foundation is filled with stone, the crew works to spread the stone evenly so the shed will be level. The border for the shed is framed and secured to create a sound edge. Leveling each board is crucial to ensure the sides of the shed pad are even before adding the stone. The outline of the shed foundation is established to guarantee the customer is satisfied with the placement.