![]() (Learn more about joints.) Properly spaced contraction joints reduce (or eliminate) cracking and help to minimize curling. Contraction joints (saw cuts) are the most important. The most common types of joints used in commercial or industrial floors are isolation, contraction, and construction. F-min is measured using a profileograph, an instrument that measures the deviation both longitudinally and transversly from perfectly flat.Įarly entry saws are ideal for cutting joints. ![]() There is no direct correlation between F F/F L and F-min. These are typically warehouses that use high-mast lift trucks.
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