Carport With Gravel Floor. If you already have concrete flooring paint is the most cost-effective flooring option on this list. The interlocking tiles are designed to adjust to the landscape for outside installations as portable outdoor flooring over grass asphalt dirt concrete or gravel.
If you have a gravel foundation well typically use rebar anchors to secure your building. I plan on enclosing the carport as well as insulating it. Add fine gravel or another ground cover over a layer of landscaping fabric as needed.
Rebar anchors are used to reinforce metal carports to gravel or bare soil foundations.
Greatmats has a number of floating flooring and matting solutions that would work really well to cover an existing dirt floor. Gravel drains much better than soil and if it shifts over time with use gravel is also fairly easy to re-level. It is one of the most unsung of all the garage floor covering options. If you are not particularly concerned with having a floor that is level then gravel is a great choice.