The healthiest, most non-toxic flooring options for indoor air quality are solid hardwood finished with natural water-based oils, ceramic or porcelain tile, and natural linoleum. These materials contain few or no synthetic chemical binders, release zero or very low volatile organic compounds (VOCs), and do not trap allergens, dust mites, or mold spores the way synthetic carpets can. When buying engineered or composite floors, look for third-party certifications like FloorScore or GreenGuard Gold.
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