What if You Touch Fiberglass?

Fiberglass and rockwool are often confused. Here you can read the difference and what happens on contact.

Difference between Fiberglass and Rockwool

🔬

Fiberglass

  • Made from molten glass
  • Very fine fibers (1-3 μm)
  • Mainly for insulation
  • Can cause skin irritation
🪨

Rockwool

  • Made from basalt rock
  • Coarser fibers (>5 μm)
  • For insulation AND growing
  • Less irritating to skin

What Happens on Contact with Fiberglass?

🔴

Skin Irritation

Itching and redness from fine fibers

👁️

Eye Irritation

Red, watery eyes on contact

🫁

Airway Irritation

Coughing when inhaling dust

⏱️

Temporary

Symptoms disappear after removing fibers

First Aid for Fiberglass Contact

1
DO NOT rub or scratch
2
Shake out clothing (outside)
3
Rinse skin with cold water
4
Use tape to remove fibers
5
Shower with cold water
6
Rinse eyes on contact

Why Rockwool is Safer for Growing

  • Coarser fibers cannot be inhaled
  • Less irritating to skin
  • Specially treated for horticulture use
  • Meets safety standards for daily use

Prevention Tips

🧤 Always wear gloves with fiberglass
👕 Use protective clothing
😷 Wear dust mask in dusty environment
🚿 Wash immediately after contact
♻️ Choose rockwool for horticulture (safer)

Safe Rockwool for Professional Growing

View Rockwool Plugs

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