ANVILFIELD
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Field glossary

FF / FL

Floor flatness and levelness F-numbers measured under ASTM E1155, lowered by curling after placement

Used across 4 Anvilfield field guides, most in Concrete.

Also defined as

  • Datacenter: Floor flatness and levelness numbers measured under ASTM E1155 for the equipment and rack slab
  • Floor flatness and levelness F-numbers, measured under ASTM E1155 to ACI 117 tolerances

Where this shows up

ConcreteSlab curling and warping controlConcreteLaser screed and screeding methodsConcreteSlab on grade design and thicknessDatacenterData center structural QA

Related terms

Vapor retarderASCE 7CurlingDowelDrying shrinkageEORLoad transferSpecial inspection

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