What mineral wool means
Mineral wool is insulation spun from rock or slag into batts and boards. It resists fire, does not absorb much water and dampens sound.
Also called rock wool, stone wool.
Where it matters on a insulation job
It costs more than fiberglass but is popular for sound control between rooms and around fire separations. It is also a common choice for exterior continuous insulation boards.
What it costs
Koira's soundproofing a room cost guide puts a typical job at $1,950, with most between $1,000 to $3,350. The guide shows its sources and what moves the price. The insulation cost calculator prices a job line by line.
Work it out
- Free calculator: Insulation cost calculator
- Cost guide: Soundproofing a room cost
- Tools, templates and guides: Free insulation resources