A concrete shed base is the strongest type of shed foundation. it is at the heavier end of the work you will do to build your shed. this article will help you to decide if you really need such a heavy duty solution or if something a bit lighter and simpler to install would work just as well.. The result should be a smooth level concrete base - the ultimate shed base. a slab base using wooden pegs and string, mark out the exact base size required, being careful to measure both diagonals in order to get the area square.. A 4-inch slab is generally a good thickness for a typical shed. this concrete floor can be poured in most locales on a 4-inch base of compacted gravel. that requires an excavation of at least 6 inches to make a slab that will be 2 inches above the surrounding ground..
A shed base is an essential part of building a shed (whether they may be wooden or metal garden sheds), the base has to be properly made to give your shed a solid foundation.. For most buildings a concrete thickness of 3" (75mm) is fine, on some of the larger buildings & depending on use increase this to 4" (100mm) laid on compacted hardcore or type 1 roadstone may be required. approximately 1" -2" (25-50mm) of the depth of the base should be above the surrounding ground level.. Concrete slabs intended for exceptional loads, such as commercial yards, lorry parks etc., will be at least 200mm thick and should be specifically designed as they will probably require a sub-base of at least 100mm thickness, and steel reinforcing mesh or a fibre-reinforced concrete..
