The fireproof effect of the fireproof coating is affected by many external factors. For example, the construction environment generally requires the construction site to be bright, free from direct sunlight, suitable temperature and humidity, clean air, suitable wind speed, and good fire prevention conditions. Because the temperature and humidity of the atmosphere have a great relationship with the coating construction and drying performance. Another important factor is the brushing quality. The following Beijing Tiantian Chemical Fireproof Coating Co., Ltd. will give people an example of how to apply ultra-thin steel structure fireproof paint as an example.
Requirements for coating ultra-thin steel structure fire retardant coatings:
The ultra-thin steel structure fire-retardant coating must be cleaned of the substrate to be coated before painting, and strict waterproofing, dust and other dirt are present to ensure the adhesion of the paint film. When spraying, the distance between the spray gun and the surface of the steel substrate is moderate. If it is about 20 ~ 30cm, it will affect the adhesion of the paint. If it is too close, the sprayed paint will rebound and cause loss.
The fireproof coating spraying construction must be divided into several times to survive, each spraying needs to be completed after the previous coating is completely dry and cured. When the construction environment is well ventilated and the weather is fine, the recoating interval can be 24 to 48 hours. On rainy days or when there is condensation on the surface of the steel structure, spraying construction should not be carried out without other special measures.
Whether the ultra-thin steel structure fireproof coating is within the effective storage period, if it exceeds the storage period, it can be tested according to this standard, and it can still be used if it meets the regulations. The fire protection spraying protection of the steel structure should be constructed by a trained and qualified professional construction team, or guided by an engineering technician who develops the fire protection coating to ensure the quality of the project.
High-quality fire-retardant coatings cannot obtain good fire protection effects if improperly constructed. Therefore, correct construction methods must be adopted, and they must be continuously improved and perfected in practice to form specifications and strictly enforce them.
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