Yes — fiberglass insulation can pose some health concerns, but the level of risk depends on the type, condition, and how it’s handled. Here’s a breakdown:
🔹 Short-term / direct exposure
- Skin and eye irritation – The tiny glass fibers can cause itching, rashes, and eye redness if they come in contact with skin or eyes.
- Respiratory irritation – Inhaling airborne fibers (especially during installation or removal) can cause coughing, sore throat, or temporary bronchitis-like symptoms.
🔹 Long-term health risks
- Modern fiberglass is not classified as a proven human carcinogen. In 2001, the International Agency for Research on Cancer (IARC) reclassified most fiberglass insulation as “not classifiable as to its carcinogenicity to humans”.
- However, chronic inhalation of high levels of airborne fibers (for example, in manufacturing workers without protection) may increase risk of lung problems.
🔹 Everyday use in buildings
- When fiberglass insulation is sealed behind walls, ceilings, or in attics, it’s generally safe because fibers are contained.
- Concerns arise if insulation is damaged, disturbed, or improperly installed, which can release fibers into living spaces.
🔹 Safety tips
- Wear gloves, long sleeves, goggles, and a proper respirator mask (N95 or better) when handling or removing fiberglass.
- Avoid disturbing insulation unnecessarily.
- Seal gaps or tears in insulation to prevent fibers from escaping into indoor air.
- For large-scale removal, consider professional abatement.
✅ Bottom line:
Fiberglass insulation is considered low-risk in normal use when intact and enclosed. The main concern is exposure during installation, disturbance, or removal, so protective measures are important.
For further information contact Stephen Jaraczewski at stephenj@daienviro.com.