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Blown-in insulation consists of tiny airborne particles that can pose health risks when inhaled. The two main types are fiberglass and cellulose. Fiberglass insulation contains glass and plastic fibers, which can irritate the throat and lungs when airborne. Cellulose insulation is made from recycled paper and is less hazardous but can still cause respiratory discomfort, especially for those with allergies. During installation or maintenance, these fine particles become airborne, increasing the risk of inhalation. Even if cell