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What is a F-Number?
Allen Face invented the F-Number system years ago to solve the problems the floor industry faced due to the ubiquitous...
Jonathan Matson
7 days ago1 min read

MINIMUM LOCAL F-NUMBERS- A Proposal
here is a source of confusion around the F-number system. This problem is the concept of minimum locals. This report will identify: the orig
Jonathan Matson
7 days ago10 min read


If you fail an F-Number test ask for the graphs!
If you are a concrete contractor you need to be asking the test agency to include the graphs with their F-Number reports. Check out this...
Bill
7 days ago5 min read
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