Ok_Shop_3418 t1_is5pymj wrote

Reply to comment by Firehed in 10x20 Shed base materials. by EnuqieuEsur

You can use sand to help level out the cement blocks. Just get the measurements between the 4x4s on the bottom to make sure the blocks are spaced correctly. Use a 2x4 and lay it across the blocks to see which ones need to be raised or lowered etc. It's really not too hard, took me an hour to set mine up