Both must have solid bearing and not be at the edge of the concrete. for more diy shed building tips and information and the actual plans for the shed in this video, click the following links. There are two common types of piers use to build shed foundation, treated lumber posts, and concrete. the number of piers needed to properly support your shed is based on the overall size of the shed you plan to build.. A concrete pier foundation features a series of concrete piers sunk below the frost line and supporting treated wood posts above the ground. the shed is then attached to the wood posts, usually with steel connecting plates or post brackets..
Concrete piers for sheds may be necessary if the shed site has considerable slope. unlike setting a shed on blocks, which are also built in piers, concrete piers go fairly deep into the ground, and are a permanent foundation.. For constructing the concrete block piers dig a hole 3" deep and 18" diameter, compact the soil in base with a tamper and place a 3" layer of gravel in the bottom. this will help drainage beneath the block and also help to spread the load into the soil beneath.. I have quite a few questions but the main question is relating to the base for this shed. after googling this subject it seems the easiest way of building this is to put the shed on concrete piers with wooden joists and bearers placed over a layer of weedstop and gravel..
