building a shed base on concrete
An easy shed foundation for the beginner and good for prebuilt or a home built sheds. a foundation of pavers sits on leveled exposed ground or a sand base. they provide a solid flat base upon which to build or set a shed and evenly support the floor.. A timber shed base, or portabase, is made from pressure-treated timber and comes with metal spikes which are hammered into the ground to keep the shed base in place. these can be installed on a level lawn or the frame can be placed onto a patio using the metal l-shaped legs (supplied with the kit) to help keep it level.. A basic run down of the process is to dig the hole 300mm wider and longer than your shed floor, 100mm deep (providing the ground underneath is solid) and pour the concrete onto a damp proof membrane you have laid inside the base of the hole. however you build your shed base you need to make sure the ground is level over the area of the entire base.. 
building a shed base on concrete Measure and mark on the existing concrete the points of your corners for your shed. using a chalk line with red chalk, snap a line that will mark the outside line of your shed. from this red line, measure in the width of the sill plate (4 inches if you are using 2-by-4s, 6 inches for a 2-by-6).. Never assemble a wooden shed base kit on an unsound base, otherwise, you are running the risk that the screw holes connecting the wall panels will not line up. for larger buildings, especially if you’re going to use the shed as a workshop, using a full concrete base as your timber shed base is your best option. however, generally there are.
