ASTM G21 – Fungus Resistance
ASTM G21 – Fungus Resistance
 28 day exposure after 14 day fungal growth period
 After exposure, perform only external visual inspection
 Quantity = 1 type of PVC flooring and 1 control
 Sample Size = 3 @ 2” x 2”
ASTM G21 – Fungus Resistance
 28 day exposure after 14 day fungal growth period
 After exposure, perform only external visual inspection
 Quantity = 1 type of PVC flooring and 1 control
 Sample Size = 3 @ 2” x 2”
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