I like to have at least 6 inches of air space between.
Wood or concrete floor for shed.
A concrete shed floor is very difficult to add on to and requires extensive planning and cost to accomplish it and typically the addition doesn t tend to stay level with the original floor.
You use treated lumber floor joists that are raised up off the soil.
With concrete you don t need to worry about water damage wood eating bugs or rot.
When you have to work in this type of environment chances are good you won t spend much time in your shed.
Most popular storage shed floor options concrete slab.
The most durable of shed floors concrete floor will hold up against just about anything you throw at it.
When your shed floor is nothing more than a concrete slab this is a very common problem.
A wood floor can be built by one person because the framing members are a decent weight to handle singularly.
I ve built sheds with concrete floors and treated wood floors and both have stood the test of time.
Your shed is no longer portable.
Not being portable is important for 2 reasons.
A pressure treated wood floor is recommended if the other flooring options can t be accomplished.
Depending on if you do it yourself or hire someone.
The same can be said of a wood floor with a crawl space underneath it.
A patio style floor will also allow the best drainage for the shed out of all the options.
You can t move your shed if you need to.
In all a concrete or cement shed floor works for some situations but for the majority of cases they tend to be far too expensive and too much hassle.