Rockwool (Mineral Wool) in Nairobi Kenya
Rockwool insulation with mesh is a thermal insulation product for high temperatures surfaces of up to 1000 degrees Celsius. It is also the best material for soundproofing in partitions blocking any outgoing or incoming noise completely
- Density: 100KG/M3
- Size: 5M*1.2M*50mm
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Rockwool insulation blanket from Glass-rock is manufactured by spinning molten mixture of natural rock and recycled products into fine wool like fibers which are bonded together using a thermosetting resin. The mesh is then stitched to the base blanket to form the final product. This mineral wool type of insulation can withstand temperatures of up to 1,093°C, thus offering superior fire protection in a wide variety of fire-rated applications.
Rock wool Insulation with mesh has the highest fire rating, Water repellent, asbestos free, non-combustible, non-corrosive; excellent thermal resistance; High sound absorption material, easy handling and installation.
Rock wool insulation blanket is often recommended for use in boilers, ships, valves and large diameter irregular pipes for thermal insulation materials. It is also used in soundproofing studios, auditoriums, Churches, partitions and many more.
Rock Wool Blanket – Properties
Sound and vibrations absorption
The energy of sound waves absorbed by Rock wool and Glass wool fibers due to the crisscrossed fibers and air pockets. This structure makes Rock wool and Glass wool one of the best sound absorbing insulation for building and industrial applications. Besides the advantage of light weight, Rock wool can also be used to control vibrations caused by sources such as traffic, ventilating systems, heavy machines or similar.
Rock wool and Glass wool fibers can resist temperatures of over 1000°C for Rock wool and 400°C for Glass wool. Rock wool retains both its thermal conductivity and fire protection capability even when temperatures, as in the case of fire, reach over 900 °C. Therefore, in fire protection applications it should be fixed in such a way as to ensure that they retain their positioning and shape, even after the binder has evaporated because of fire.
The orientation of Rock wool fibers provides very good mechanical properties as well as excellent stability, no thermal expansion or contraction because of the open cell structure. Air pockets allow vapor to get through easily, while also having excellent thermal conductivity. The short fiber length of Rock wool also offers the possibility of making higher density products with a much higher capacity load than other materials.
That moisture inside insulation reduces thermal conductivity performance. When exposed to water or rain, Rock wool can sometimes look like it is wet throughout. In fact water does not penetrate the product.
Even if water is going into the core of Rock wool or Glass wool, after a certain time the water evaporates and the fibers dry out, as the material is itself diffusing. After drying out, the product completely recovers its properties.
Thermal conductivity λ varies depending on the temperature of the element to be insulated. At normal temperatures Rock wool has a thermal conductivity between 0,035 and 0,040 W/mK. The advantage of Rock wool over other insulation materials is preserving its properties for a long time, even during serious fire. This capability prevents other materials behind the Rock wool from overheating or even self-igniting.
Mineral wool fibers are inorganic biologically inert materials made out of natural igneous rocks – in addition to sand and silica in case of Glass wool – which forms an unfavorable medium for the growth of fungi, bacteria, vermin, and pests. These fibers are also free of asbestos
Mineral wool fibers consist of natural, chemically-inert fibers forming an open-cell structure that maintains its characteristics with time, implying easy handling and hassle-free storage.
Advantages of Rock wool Insulation
- Thermal Insulation
- Fire Safety
- Acoustic Control
- Non Corrosive
- Environmentally friendly
- Moisture Resistance
- Energy Conservation & Emissions Reduction
- Excellent thermal insulation performance
- Good non-combustible properties
Rockwool Acoustic Insulation 13M*1.2M*50MM (15.6m2) Roll is a mineral wool quilt that is lightweight, flexible, resilient and non-combustible. Rockwool acoustic Rolls are 1200mm wide and ready-cut to produce three, 400mm wide rolls, or two, 600mm wide rolls and manufactured to a minimum density of 20Kg/m3.
Buy Knauf Rockwool insulation Roll size 5Mx1.2Mx50MM. Best Price, Quality award winning thermal and sound insulation material.