A simple gravel and paver shed base. first, determine the size, shape and nature of the bottom of your shed or outbuilding. then, add 20 cm to the length and the width. that's the size of your gravel base. why is it slightly larger than the bottom of the shed? to allow water to drain into the gravel under the shed, rather than getting the shed. Frame the gravel shed base. once the area for the gravel shed base is level and tamped you will need to frame the foundation. take your shed plans and find the dimensions of the shed foundation. the next step will be to take some 2
