ASTM InternationalASTM E1155Test Method for Determining Floor Flatness and Levelness (FF/FL).Referenced across 10 Anvilfield field guides. Field guides that apply ASTM E1155ConcreteConcreteConcrete surface defects diagnosisConcreteConstruction layoutConcreteFlatwork finishing sequenceConcreteLaser screed and screeding methodsConcreteSelf-leveling underlayment floor prepConcreteSlab curling and warping controlConcreteSlab on grade design and thicknessDatacenterDatacenterData center structural QADatacenterFloor flatness and levelnessDatacenterQuality control and the ITP Often cited alongsideACI 302ACI 117ACI 318ACI 301ACI 308ACI 330ACI 360IBC Compare your optionsPost-tensioned slab vs Conventionally reinforced rebar slab Browse all codes and standards