But, rough equivalents, in terms of horizontal envelopes, can be given.Īn FF 25 is roughly equivalent to a single 1/4″ defect in 10′.Īn FF 50 is roughly equivalent to a single 1/8′ defect in 10′.Īn FF 100 is roughly equivalent to a single 1/16″ defect in 10′. There is no F-number equivalent to any straightedge spec. The ACI/CSA F-Number System applies to 99% of all floor slabs – all floors that support random traffic be it vehicular or pedestrian traffic. Ever since, the Dipstick has been the gold standard for the measurement of concrete floor and pavement profiles.
F-Numbers are linear, so an FF 20 is twice as flat as an FF 10, but only as half as flat as an FF 40. After building the first reliable floor flatness/levelness measuring device (the Face Floor Profileograph) and developing the placement and finishing techniques that resulted in what Face called Superflat floors, a team of Face Companies engineers and flat floor consultants invented the Dipstick and introduced it at the 1982 World of Concrete.
Another instrument, the Dipstick Floor Profiler, produces a point-to-point graph of the surface measured, as well as the data required to compute ACI/CSA F-Numbers for Random Traffic Floors. The higher the F-Number, the bettr the characteristic of the floor. The Profileograph is used only on Defined Traffic Floors. The new standards include two F-Numbers: FF for flatness and FL for levelnessįlatness relates to the bumpiness of the floor, while levelness describes the local tilt or pitch of the slab. Based on the thorough testing of every unit we manufacture, Dipsticks are typically accurate to 0.005 mm (0.0002). F-Number replaces the familiar “1/8 inch in ten feet” type specs that had proven unreliable, unmeasureable and unrealistic. The F-Number System is the American Concrete Institute (ACI117) and Canadian Standard Association (CSA A23.1) standard for the specification and measurement of concrete floor flatness and levelness. Testing labs, building owners, developers, contractors, universities, research institutions and government agenices on six continents choose the Dipstick because it producecs the most accurate and repeatable flatness/levelness data. Library of Congress at Fort George G.Floor Slab F-Number Determinations performed using a FACE CO 2272 Digital Floor Profiler. A few companies we have worked with include: Level Contracting has successfully completed projects for hundreds of companies all over the United States and other countries. The vertical scale is exaggerated to show the profile more clearly. 6: Profile for one test run (vertical scale is exaggerated) the individual test runs. Dipstick 2272 Floor Profiler by FACE, used to measure floor flatness. 5: a Dipstick floor profiler is used to collect flatness and levelness data Fig. Our company has tested the work of several recipients of the Golden Trowel Award, including the top award winners for years 2015 and 2016. Ryan Decker explains the nuances of Floor Flatness and Levelness measurements.
#What is a dipstick 2272 floor profiler upgrade#
Our work is certified by FACE Construction Technologies, Inc., manufacturer of the Floor Dipstick 2272 Profiler and awarder of the annual Golden Trowel Award to U.S. upgrade floor dipstick 2272 or 2277 to model 2285 ( ship to face) upgrade your dipstick 2272 or 2277 floor profiler to the new 2285, with the brightest screen.
He, along with our experienced team, are dedicated to providing the customer with a trouble-free floor and complete satisfaction. Charles Lear, Founder of Level Contracting, Inc., has been testing and grinding concrete floors for over 20 years.