The shed we built rests on a foundation made up of 12 solid-concrete blocks. the 4 x 8 x 16-in. blocks are arranged in three rows spaced 59 in. apart.. Building this single sloped roof shed was an excellent learning experience. preplanning was essential to the build. preplanning was essential to the build. the shed style allowed more windows near the high wall roofline which adds a lot of light.. Time and cost of building a shed from scratch. finally, i completed the shed! it took about 2 months for me to single-handedly build the shed, and it cost about $3000. i did my research online and estimated that a pre-built shed this size and quality would have been more than $7000. building it myself netted huge savings..
