Dipstick Floor Flatness

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.

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. 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. F numbers provide architects and contractors a method of determining the flatness and levelness of a concrete floor slab. 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. Some of the industry misconceptions for floor flatness and levelness are the following.