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Rock wool medium density

Rock wool medium density is a mineral wool used mainly as a thermal and acoustic insulator. This type of insulation is made from volcanic rock or basalt, which is melted and spun into fibers. The fibers are then compressed and bonded together to form a dense, rigid board or batt. It’s widely used in construction projects.

Characteristics of Medium Density Rock wool Insulation

Compared to high density Rock wool insulation, medium density Rock wool insulation has a lower thermal resistance and a lower sound absorption capacity. It has a density of about 30 to 40 kg/m³. However, it is still an excellent choice for a wide range of applications including : cavity walls, timber frame walls, ventilated facades, and metal claddings. It’s used in interior spaces such as meeting rooms, recording studios, and concert halls as a soundproofing material.
One of the main benefits of medium density Rock wool insulation is its fire resistance. It is non-combustible and can withstand temperatures up to 1177°C, making it an excellent choice for use in fire-rated assemblies.
In addition, medium density Rock wool insulation has excellent moisture resistance, making it ideal for use in areas where moisture is present, such as basements, crawl spaces, and attics. It is also resistant to mold and mildew growth, helping to maintain a healthy indoor environment.

As you can see, Medium density Rock wool insulation is a versatile and effective insulation material that can provide good thermal and acoustic performance, fire resistance, and moisture resistance in a wide range of applications.
Are you planning to carry out insulation works and struggling to choose the appropriate density of rock wool? Get in touch with us and let our technical experts guide you in selecting the most suitable density of rock wool for the area you want to insulate.