Floor for outbuilding. A 3- to 4-inch slab will work for the floor of a storage or tool shed, workshop, garden shed, or playhouse. Steps to pouring a concrete slab 2. Phone a one-call number.

Concrete slabs form the backbone of countless industrial and material-handling facilities. Whether supporting heavy machinery, mezzanines, pallet racks, or conveyors, a slab must be able to bear ...