February 15, 2024 By Lewis Cooney

What is Rockwool and mineral wool Insulation?

Rockwool is actually a type of mineral wool!

What is rock wool insulation?

Rockwool is inorganic material made into tangled fibre utilized particularly for protection or soundproofing. Rockwool is produced using regular stone that is broken down and turned into a fibre.

Is it really just rock from the ground?

Almost… Basalt rock and chalk are assembled and warmed to an exceptionally high temperature. ( around 3000°F) to form lava. The liquid stone is then cooled and transformed into strands, which are then chopped into little pieces. These little pieces are what we know as Rockwool slabs or rolls! Mineral wool protection is normally produced using volcanic rocks like basalt, dolomite, or diabase.

Is there anything else in it?

Yes! It also utilizes modern waste that wouldn’t in any case have been utilized for anything useful.

Rockwool additionally contains a few reused materials, for example, steel slag and iron-metal waste. Thus, mineral fleece is made essentially from unrefined components that are recyclable, normal, and inexhaustible. Large number of tons of slag are delivered consistently by the iron metal and steel businesses. Commonly, this waste material is shipped off to landfills to obstruct the world’s surface into the indefinite future.

The process of creating mineral wool transforms this waste material into an amazing, high-performing Insulation that we can use to insulate our homes.

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What is mineral wool used for?

Insulation is a hot topic. LOL.

Mineral wool insulation is utilized in numerous applications including walls, floors, roofs, attics , storage rooms, pipes and channels. It’s an effective thermal insulation solution, It has demonstrated a decrease in noise pollution  and has  sound-absorption properties, is tough and is typically non-combustible.

What are the advantages and disadvantages of rockwool?


  • Requires an extensive manufacturing process
  • Extreme density of rockwool makes it heavy and unwieldy
  • The rock fibres can get in the skin during installation, causing rashes and itchiness
  • Rockwool is not biodegradable, which reduces its environmental benefits


  • High thermal efficiency
  • Noise insulation
  • Fire protection and improved safety
  • Quick and easy insulation
  • Minimum environmental impact
  • Helps our homes become energy efficient

As may be obvious from the above, mineral wool insulation has many advantages, as well as certain disadvantages. To decide if this protection material is appropriate for your home, you ought to look for the guidance of expert protection professionals, draftsmen, and different mortgage holders who have recently introduced Rockwool protection in their homes.

Now you know what rockwool and mineral wool is as well as the properties and what it is used for. Hope this helps point you towards the right direction for a warmer, happier home!