ASTM E84 Flame Spread Index 15, Smoke Developed Index 40, California non-toxicity testing passed with zero fatalities. Text: There is no need to exaggerate when the data speaks this clearly. FSI 15.
VANCOUVER, Wash. — Recent testing of fire-retardant treated wood (FRTW) by the Western Wood Preservers Institute (WWPI) finds that some manufacturers are offering unproven lower-cost alternatives that ...
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