I'm not much of a handy man, but i did tear down a shed from someones property (legally) and put it up as my wood shed, it's about 10x10 but it's a total rig job, nothing fit together properly so I think it was two sheds mashed together at some point. I have it on blocks because we flood (BTW So I get it all together and it's leaking very bad, to the point where all my wood is wet. Yes, i put shingles on the roof. I can only guess that the back part of the shed doesn't slope down enough or maybe not at all. What do i need to do to shore this up, what can i use to cover the roof without throwing a blue tarp over it. Any ideas? It's not leaking in the front, just the peak and the back. Wifey is not letting me spend any more money, so minimal costs is essential.