How to prevent the phenolic duct board from falling off?
Shedding is the most frequently mentioned problem of the phenolic duct board. Why does the phenolic duct board fall off? In fact, it is due to some phenolic duct board of poor quality and substandard construction. Once the specifications of the phenolic duct board are not up to standard, various problems are prone to occur.
6 cases of phenolic duct board falling off:
1. Manufacturer quality issues;
2, the construction is not standardized;
3. The bonding area is less than 60%;
4. The installation method is not reliable;
5. The hollow drum sees water easily and falls off;
6. Low-priced phenolic duct board;
Why does the phenolic duct board fall off?
1. During the construction process, the construction was not carried out in accordance with the construction standards, causing the phenolic duct board to fall off;
2. The quality of the phenolic duct board is not good enough, for example, the phenolic duct board did not meet the national standard during the production process;
3. The bonding area between the phenolic duct board and the wall is too small, resulting in weak bonding;
4. There is also the phenomenon of hollowing between the mortar and the wall, which makes the phenolic duct board easy to seep water, and it is also easy to cause falling off over a long period of time;
5. When phenolic duct board are used for wall insulation, dry-hanging should be used as much as possible to make the phenolic duct board and the wall stronger;
6. In the case of falsified specifications of phenolic duct board insulation materials, many low-priced phenolic duct boards are completely products with inferior specifications and quality and bid through forged specifications.
Methods to prevent phenolic duct board from falling off:
1. Choose some formal and powerful phenolic duct board manufacturers. For example, Tianli is an enterprise that belongs to the national phenolic insulation board specification. Now there are many pimped phenolic duct board sales and sales companies on the market, and there is no strength to go. Production of phenolic duct board;
2. Some low-priced phenolic duct board materials are not used. In order to reduce the price, many companies produce phenolic duct board that do not meet the national standards;
3. In terms of construction, a formal enterprise team is adopted, strictly in accordance with the construction standards of the building phenolic duct board to the wall;
4. The acceptance criteria of the phenolic duct board must be formally accepted. For example, the specifications of phenolic duct board must be written in the contract to prevent phenolic duct board manufacturers from cheating;
5. The bonding area between the phenolic duct board and the external wall cannot be less than 60%;
6. The phenolic duct board has a certain weight, and it is best to install it by installing anchor nails, which is more safe and secure, and effectively prevents it from falling off;
The biggest reason for the phenolic duct board to fall off is the quality problem. Generally, as long as the above-mentioned is done in the construction, the problem is not big. Nowadays, there are many buildings that use phenolic duct boards for heat preservation, often some Inferior phenolic duct boards can cause the problem of falling off. Here, I remind customers that they must not choose some small phenolic duct board for sale. The price is low, but the quality of the phenolic duct board is prone to problems in the later stage.