Dipstick Floor Flatness

The instrument is used in 66 countries on six continents to measure the flatness and levelness of concrete floor slabs and pavements.

Dipstick floor flatness.

F numbers provide architects and contractors a method of determining the flatness and levelness of a concrete floor slab. Testing labs building owners developers contractors universities research institutions and government agencies on six continents choose the dipstick because it produces the most accurate and repeatable flatness levelness data period. The astm that directs how the ff and fl values are to be collected and calculated is astm e1155 standard test method for determining ff floor flatness and fl floor levelness numbers ref. Floor pavement profiler dipstick is the trade name of a profiling device manufactured by face construction technologies of norfolk virginia usa.

Dipstick readings are guaranteed to be accurate to 0 0125 mm less than 0 0005 that s 5 10. They are calculated using the standards set forth in astm e1155 which is the standard test method for determining f f floor flatness and f l floor levelness numbers the american concrete institute indicates acceptable ranges for flatness and levelness in aci 302 1 guide.