What to choose for the facade? Key elements in insulation, external wall insulation is a combination of insulation materials and construction process types. And they are divided into many types and methods, which can be easily confused. Only a few insulation boards can be used in external wall insulation systems, including extruded boards, rock wool dual-density mineral wool. Let's take a closer look at one of them, rock wool dual-density mineral wool. Many mineral wool boards are used in our construction projects, and the main role of use is insulation and sound insulation, because they are acoustically better than other insulation boards, and also provide excellent heat resistance. Rock wool board in addition to the thermal performance of external walls, also has many advantages, such as fire resistance, excellent noise reduction, water resistance and breathability as well as dimensional stability, which gives more materials used in construction. What is rock wool dual density? It is a flush, completely hydrophobic board made of volcanic rock, designed for external wall applications, directly under rendering. Once the insulation boards are glued to the wall, mechanical fixings are installed through these boards to the wall to ensure they do not fall off the wall over time. Due to its high compressive strength, it is more suitable for external walls subjected to mechanical pressure, such as external walls of public buildings. This simply means that the density of the outer surface of each board is significantly higher than the underside. This provides a strong and durable surface for the application of fixings, while the elastic underside can adapt to the unevenness of the substrate. And will rock wool board stop noise from the street? Rock wool board has very good acoustic characteristics, helping to reduce noise entering residential units from the outside. The density change between the two layers provides additional benefits because it causes sound waves to reflect at the interface, further enhancing acoustic performance. It pioneered innovative dual-density technology through a professional manufacturing process. Dual density consists of a high-density outer layer and a low-density sub-layer. The lower density inner layer reduces the weight of the board, enabling it to better adapt to wall irregularities. The elastic surface is used to accept mushroom head fixings, while the underside absorbs any defects or unevenness in the substrate. The strong outer and inner surfaces are also effective protection against harsh weather conditions. If you want greater energy savings, you can always install more! The non-combustibility of insulation boards reaches A1 grade, which is the top grade that insulation materials can reach. Since fire safety is so important and so important, rock wool board insulation materials have undergone countless research and development productions to provide a guarantee of completely preventing fire threats. Due to its ability to withstand temperatures up to 1,000ºC, it is non-flammable when exposed to open flame, and does not produce smoke or burning droplets. It also helps prevent the spread of fire.
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