Insulation material is a new type of material that is widely used. With high thermal resistance, low linearity, and low expansion ratio, the closed cell rate of the structure is more than 99%, forming a vacuum layer, avoiding air flow heat dissipation, ensuring the durability and stability of its thermal insulation performance, 80% relative to foamed polyurethane. The closed-cell rate, leading edge is self-evident. The following small series introduces the reasons for the cracking of building insulation materials and the purchase of building insulation materials. Causes of Cracking in Building Insulation Materials 1. Insulating plastering layer is insulation material and its reinforced plastering protection layer. There are many reasons for the cracks. The main reasons are: the weight of the plastering layer, the change of temperature difference, the different linear expansion coefficient and the shrinkage of the plastering layer. The resulting displacement and stress. 2. After cracks occur in the insulation and plastering layer, the rainwater can easily penetrate into the wall. However, it is difficult to discharge water, and the insulation and airtight properties are severely reduced. Water intrudes into the insulation layer system, resulting in cracks in the system due to frost heave. damage. 3. In the construction of the external thermal insulation project, when replacing the alkali-resistant glass fiber mesh cloth with a common type of glass fiber mesh cloth, when the ordinary type glass fiber mesh cloth is pressed into the cement slurry layer, under the combined effect of water and alkali Causes alkaline glass fiber mesh cloth to produce alkali corrosion and prematurely lose its reinforcing effect. 4. Excessive thickness of the thin smear layer causes transverse tensile stress to exceed the tensile strength of the glass fiber mesh and cause cracking of the smear layer. 5. The ultimate tensile strength of the plastering layer is relatively low, and cracks due to tensile stress cannot be prevented. 6. The lap width of the mesh of the door and window openings is not enough, and the mesh is not added at the corners or the insulation board is assembled by means of assembling, resulting in cracks in the settlement of the system. Building insulation materials 1. When selecting the external wall insulation material, refer to the thermal conductivity and thermal storage coefficient of the material. Insulation materials have low thermal conductivity, high thermal storage coefficient, and relatively good thermal insulation. It also depends on whether the specific environmental temperature change that the insulation material is to work on ensures that the insulation of the material is good. 2, in the purchase, we must be optimistic about whether it is light, loose enough. In addition to the weight that the heat-retaining material can support, the heat-insulating material can also increase the heat transfer performance of the device. 3, insulation materials should have water resistance, crack resistance, hollow drum performance. Insulation materials have poor water resistance, which can cause damage to the heat-insulating materials and deteriorate the heat insulation effect. If empty cracking occurs, post-maintenance is required and a maintenance fee is required for this purpose. 4, fire protection performance of insulation materials. The documents indicate that the fire protection performance of external wall insulation materials should be Grade A non-flammable. Fire accidents caused by non-compliance of fire protection performance of insulation materials on the market occur from time to time. 5, insulation materials construction process. YT inorganic active insulation material construction does not require grid cloth, cracking mortar, construction is relatively simple compared to other insulation materials, saving time and labor costs. Building insulation material advantages 1. The most valuable advantage that everyone knows is that it can function as a thermal and thermal insulation to the building, making the building cool in winter and cool in summer. Because of the physical properties of the insulation material, the temperature can be maintained in the winter and the outside temperature can be blocked in the summer, so that the indoor temperature is maintained at a relatively stable level. 2. Since the insulation material can protect the walls of the concrete and brick walls from external erosion and damage, the insulation material can also prolong the service life of the building. At the same time, because the insulation material can keep the indoor temperature stable, it can also protect the building wall from cracking and deformation. 3, there are many varieties of insulation materials, the use of the materials within, the diversity of materials is also a very good decorative effect on the building. The current insulation material can imitate the appearance of the stone, the appearance of the ceramic tile, and even the appearance of the metal, and has played a role in the decoration of the wall. 4, the use of insulation materials in the building, due to room temperature can reach a stable level. It can reduce the frequency of the use of appliances such as air conditioners, reduce energy waste and economic expenditure. 5, the insulation material itself has the characteristics of light weight, no pollution, etc., in the installation and use of the process are more convenient and environmentally friendly. And it has a high price/performance ratio. When some buildings are being renovated, the external wall insulation material will also be very convenient and economical. It is a choice for many hotels and other companies to carry out renovations. Editor's summary: The reasons for the cracking of building insulation materials and the purchase of building insulation materials are introduced here, and we hope to help everyone. If you want to know more related information, you can pay attention to this website information. Insulation Materials Retractable Ceiling Fan,rechargeable fan with solar panel,solar and rechargeable fan JIANGMEN ESCLIGHTING TECHNOLOGY LIMITED , https://www.jmesclightingfan.com
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