Wet wood easily gets rotten and decomposes. With regards to the roof of your firewood shed, you should make sure in your plans that it has a high steep and is slanted. This way, snow and rain will easily slide off and would not get inside to the firewood. This goes the same for the foundation, making it higher from the ground and providing a slant to slide snow and water away from the shed. Pressure treated timber or lumber is advisable to be used for skids as they will be bearing the weight of the shed and its contents so that you will be able to move or transfer your shed to a new location putting angle ends is necessary, plus they ake good decorations as well. With a good set of detailed plans, you yourself will be able to do the construction job. The latter is not really recommendable especially if it contains a lot of moisture. It is also very difficult to level and create framing for your partitions. But, for pole style barn sheds this is already acceptable. In fact, if the dirt floor is dry just merely placing smashed pea gravel of about six inches would suffice. The single most important aspect in building a shed roof is to have a comprehensive plan, if you have no inkling on how to do this; it is wise to invest on it as it is your basis for your building project. Here are some other aspects in shed roof building that you should also keep in mind: Your design of your roof should be slant and steep so that pressure would not build on it. Not only will you have a functional structure in your property but you will also have a source for great pride and joy. But, if you ve never even built a stool from scratch or even a simple paper weight, then what more with a shed. This case though is not hopeless. If you have the extra money, then by all means buy yourself a shed. This is where many kids learned how to catch a baseball and many children parties have been celebrated. The yard is also the top candidate to where a shed is usually built. Put a child in a yard along with a mysterious shed, and you can do the math. All parents would do all that they can to keep their child safe and away from accidents, that s why, we childproof our home, keep debris out of our yards, remind them to be careful when playing and tell them to stay away from strangers.