Bruce Suprenant, Technical Director, The Voice Newsletter May 2016
When is 24.88 equal to 25?
The project specification required a specified overall value (SOV) for floor flatness of 25. F-numbers were measured within 72 hours in accordance with ASTM E 1155-14 “Standard Test Method for Determining FF Floor Flatness and FL Floor Levelness Numbers.” Unlike most ASTM standard test ...
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