18 Freestanding Lean To Carport : 12 Tips And Tricks. The standard single carport measures 12’x21′. Our single slope carport is all steel and rates for a 30 lb.

Our single slope carport is all steel and rates for a 30 lb. With the superior service and wide range of available customizations, the price can vary. Find this pin and more on carport plans by brian kay.