Thanks. I guess specifically I am asking that if when a flooring manufacturer gives a floor flatness requirement are they actually referring to the shored flatness, or are they referring to deflection as well? My sense from searching around is that they don't actually know what they mean...
This question is a two part-er:
1.) In our concrete specifications we indicated required F(F) and F(L) numbers for floor flatness and levelness. The main reason these are spec'd is for requirements of the flooring. Per ACI 117, these measurements are to be taken at a maximum of 72 hours after...
