Q. Is fiberglass safe to use?

If you touch fiberglass you shouldn't have to worry about any long-term health problems. After being in contact with fiberglass one's eyes may become red and irritated. When fibers are breathed in they can cause irritation in the lungs the throat and the nose. Exposure to fiberglass may make asthma and bronchitis symptoms worse in some people. Nobody has found any proof that fiberglass promotes cancer.