When you need a building fast, whether for storage, to house a business, or as a temporary construction during a project, metal buildings can't be beat. They come in a variety of pre-made designs and sizes, or you can order custom buildings. The key to a well-constructed metal building lies in its foundation. This guide can help you decide on the best foundation option for your metal building construction.
This is the best choice for temporary metal buildings, such as those being used for short-term storage or for construction site offices. An industrial steel plate is made to match the footprint of the building. It's generally made in one piece, although larger buildings may use multiple plates to make the transportation of the foundation simpler. The plate is set upon wood or metal skids at the site, where it is then leveled. The building is lowered onto the foundation and secured with anchor bolts. These foundations are not strong enough for permanent use, but they work perfectly when you need a portable solution.
This is a simple option that works well for a permanent metal building installation. A deep concrete edging perimeter is installed first, which will act as the frame to hold the foundation in place. Then, the foundation is poured on top, where it floats upon the supporting soil while being contained by the edging. All electrical and plumbing conduits must be installed within the foundation at the time that it is poured, since they won't extend below the level of the foundation. These foundations are relatively inexpensive and suitable for most locations. They are especially useful in areas with loose soil or frequent soil motion, such as near coastal areas, since the foundation floats on top of the soil so it isn't damaged by soil movement.
Pier foundations consist of metal, concrete or wooden piers, or footings, that are installed at the corners of the building. These go deep into the soil, so they extend below any areas of soil movement. There may be additional piers installed to further support and distribute the weight of the building. Support beams then link the piers together, and a wood or metal plate foundation is installed on the support beams. Finally, the metal building is anchored to the foundation. These work well in areas with uneven ground or marshy conditions, since the piers can extend above the ground.