- For any ground application, such as dirt, gravel, asphalt, and chip and seal, the standard anchoring is 3' rebar spikes that go through the base rail next to every leg. - For concrete the standard anchoring is concrete wedge anchors known as "Redheads". - For additional, superior anchoring we can add 30" augers or manta ray spikes   - reference the "TYPES OF METAL BUILDING OPTIONS".