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).
First, the concrete thickness (protrusion into the room) is not consistent. It's 2.5 inches in the middle, but is nearly 2.75 at one end and 2.25 at the other. Whatever I cover it with will have to compensate. The height of 6 inches is fairly consistent.