Fondation Carport. In Michigan there are strong regulations when it comes to building so more than likely yes. Concrete provides sufficient support in most cases but when more is needed the concrete can also be reinforced with steel rods.
Do I need a permit. Carport Foundation Material. If you are planning to park large heavy vehicles inside such as trucks or larger RVs you should consider making the slab 6 thick and using 4000-psi concrete.
To do this you need to know the dimensions of the carport itself.
Step 2 Dig out the foundation area to a depth of at least 4 inches. However keep in mind that the floor is going to be dusty when its dry and muddy when it rains even a freshly washed car thats dripping may cause a mess. If you are planning to park large heavy vehicles inside such as trucks or larger RVs you should consider making the slab 6 thick and using 4000-psi concrete. To accommodate an average-sized car measure a rectangle at least 16 feet 49 m long and nine feet wide.
