Steel Support Piers are designed for use as a replacement for dry stacked blocks, piers available up to a maximum of 30 inches. Steel Support Piers are designed and tested to vertical loads for a support rating of 6,000 lbs. Piers can be used under factory built structures such as manufactured homes, mobile commercial units, classrooms, multiplexes, sheds and other similar structures. They can be used in all wind zone conditions, except ”Exposure D” within 1500 ft. of the coastline. Support piers are designed for use with a variety of heads to prevent movement after attachment to the beam or screwed to the marriage line; check local codes and manufacturers requirements for proper installation regulations for beam and marriage line installation.