PPI drugs can be both prescribed and purchased over the counter â in strengths that both cause the same level of damage to the kidneys. Researchers recommend PPIs should be avoided, especially when acid reflux or the like can easily be treated with kidney-safe H2 blockers.
Recommended thickness of concrete slabs. 1  Driveways: 6 - 8 inches (0.15 - 0.2 m). 2  Side walks, barn and granny floors: 5 - 6 inches (0.125 - 0.15 m). 3  Porches, Home garage floors: 4 - 5 inches (0.1 - 0.125 m).
Determine the Size and Depth of a Cement Slab. The cost of a cement slab is largely dependent on its size and thickness. In most cases, a cement slab will be 4 inches thick with 2 inches of the cement being below ground and 2 inches being above ground.ement Slab Costs. As the foundation for a house, as a patio or even as a driveway, a cement slab can be a great flooring choice for a flat, supportive and durable foundation that is designed to last.