Insulate walls the right way: mineral wool or polystyrene foam?
- Moisture resistance: mineral wool absorbs moisture, polystyrene foam does not.
- Eco-friendliness: Mineral wool may release phenols and formaldehyde. Polystyrene foam is safe.
- Service life: mineral wool — up to 20 years, polystyrene foam — up to 50 years.
- Flammability: mineral wool does not burn. Polystyrene foam, as part of the insulation system, does not spread flames.