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The foaming reason of the fire-proof board can be judged by the material that appears after the cracking of the foaming place:
1. After the foaming point is broken, the kraft paper bottom board can be judged to be of poor quality. It is necessary to purchase high-quality fire-proof board.
2. Foaming place is broken and the present base material is due to immature construction. The following are the construction reasons, avoidance methods and solutions for causing the foaming of fire-proof board.
The construction reasons of foaming of fire-proof board are as follows:
1. Insufficient and uneven pressure during construction
2. The glue will stick before it is partly dry.
A. The airing time is not enough and the glue is not dry.
B. The construction environment is too humid, the glue is not dry, and the phenomenon of false drying occurs, resulting in poor bonding.
C. The board is wet and sticky.
D. The glue is too much to do.
3. Glue is partially lacking.
Avoiding foaming of fire-proof board:
1. Apply pressure evenly to fit.
2.a. Appropriate prolongation of airing time:
B. Ventilation and drying, irradiation with solar lamps or replacement of places;
C. Reuse the sticky material after drying or drying.
D. Uniform and disposable scraping.
3. Uniform scraping, do not lack glue.
Solution to foaming of fire-proof board:
In a dry environment, place towels on the fire board and iron them with an electric iron.
