When the foundation wall construction is completed, people will add a layer of thermal insulation material, which not only conforms to the national slogan of low carbon and environmental protection, but also reduces the impact of cold and hot weather on the building and increases the durability of the building. So how much is the external wall insulation and what is its function? The price of external wall insulation mainly depends on the material, usually calculated by the square. It is not only widely applicable, but also beneficial to the main structure and indoor environment.

The price of external wall insulation is suitable for self-built houses or buildings, and commercial housing should not consider this issue. There are many insulation materials on the market now, so we must choose them carefully, otherwise the construction effect will be greatly reduced. Its price is not uniform, depending on the materials, and the prices of different materials are also different. According to the current market data, it is mainly denominated in square, and the price of insulation materials per square meter is about 120 yuan. Usually, the foam board used for construction is about 5 cm long in 60 yuan, and the putty is about 38 yuan per square meter on the wall. There are also rental shelves and scaffolding about 4 yuan per square meter.

The role of external wall insulation (1) Main structure Some people think that it is useless to do external wall insulation, and you can do it or not. Actually, this is not right. External wall insulation not only protects the main structure, but also reduces the temperature change of the main structure. Under the influence of weather and other conditions, the external wall surface is easy to crack, and thermal insulation can make the main structure more stable.

(2) External wall insulation can effectively improve the indoor environment, which is helpful for heat insulation in summer and warmth in winter. In addition, in weather such as wind and rain, it can also avoid wind and rain erosion, increase indoor dryness, reduce excessive moisture, avoid being damp and moldy, and lay a good foundation for a comfortable living environment.

(III) Scope of Use Self-built buildings and houses in the north and south can be used for external wall insulation construction, cold protection in the north and moisture protection in the south. It can be used not only for brick-concrete structures, but also for frame structures. It is best to carry out external wall thermal insulation in the early stage of construction, but it can also be implemented in the later stage of reconstruction, which is very energy-saving and environmentally friendly.

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