wide), striking off the concrete form-to-form by hand screed, vibratory truss screed, or laser screed. (Tolerances on these types of floors can range from Fmin 50 to 125; See excerpt Table 1.1 ...
Check it regularly to see if the floor is sinking. If so, there's likely some space between the slab and the ground. 3. Drill a hole - Drill a small hole through the concrete and poke through it ...