Lay out a rough course for the laying of the concrete foundation. to do that, place the cinder blocks along the wall�s full length, using corner blocks, specially earmarked for the corners. use the scrap pieces of lumber and plywood to fill in the spaces between the cinder blocks to make sure that you have the right layout in front of you.. Any time you build a shed, it needs some sort of foundation to act as a buffer between the shed and the ground. an on-grade shed foundation made out of cinder blocks is a quick and easy foundation. Make sure it's level all the way around by putting a long straight 2x4 or something from one side to the other and putting a level on it. even if it's not perfect you can fix it with block but that's harder. then build a short wall with concrete block so that your shed sits on a raised foundation..
Using 8 timber blocks, dig down a few cm and using a rubber mallet, create a timber support to keep the blocks tight together. now the base is built you can start to build your shed on top. once the shed is built, we recommend using an anchor kit as this will join the shed and base to stop movement.. Lower the automotive jack so the shed sits on the rear concrete blocks. raise the front of the shed, excavate the soil, make the gravel bed, and install a concrete block at each corner.. The name of the game is to build a shed for as little money as possible in the shortest amount of time. i chose to use low cost concrete blocks (cmus) from the local homedepot store as they are only $1.32 each (98 cents when on sale). concrete block 8x8x16. glue together the concrete blocks using pl-premium construction adhesive. you only need.