WebASTM E1155, floor surfaces covered with a cementitious SLU have rendered f-numbers in the mid to upper 80’s. The following is one example of field test results for a floor covered with CUSTOM’s high performance SLU: Minimum Required Flatness/Levelness 30 Day Result using SLU 35 / 25 86.6 / 46.2 WebSep 28, 2024 · ACI 117.1R-14 defines floor flatness (F f) as “deviation of a surface from …
Understanding F-Numbers for Floor Flatness and Levelness
WebMay 2, 2024 · floor flatness and Fl is how level – or not- the floor is. Together they very well define the surface. ... no way to measure reliably what floor flatness/levelness was actually produced. The average industrial floor is about an FF 20-25 / FL 15-20. Many building owners are satisfied with this result, but some WebOct 20, 2024 · Floor Flatness (FF): FF numbers evaluate how flat the floor is on concrete slabs. It also controls the irregularities in the surface of the floors, including their bumps and undulations. F numbers go from zero upwards, so the higher the F number, the flatter the floor. Floor Levelness (FL): FL numbers evaluate elevation differences along a ... es-s7g-l レビュー
Standard Test Method for Determining FF Floor Flatness …
WebNov 1, 1992 · FF is an indicator of floor flatness or smoothness. FL indicates floor … WebFeb 12, 2016 · Floor Flatness and Levelness and Deflection. 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 the concrete … WebFloor Flatness An industrial floor needs to have an appropriate flatness in order to provide a suitable surface for the operation of materials handling equipment (MHE), and an appropriate levelness to ensure that the … es-s7g-wl サイズ