Treatment and construction method of fireproof coating base for outdoor non-expansion steel structure

1. The construction of the first layer of fireproof paint needs to add 3% of the fireproof paint supporting glue and the right amount of water to stir evenly, and the construction should be carried out by spraying, and the coating thickness is generally less than 5mm.

2, when the first layer of fire retardant coating 7-8 dry (about 24 hours later) spraying; If the bottom layer is relatively dry, the second layer can be moistened with water first. Starting from the second layer, the construction thickness of each layer can be 8-10mm until the fire protection design thickness is reached, and the construction can be sprayed or smeared.

3, inter-layer construction, the surface of the fireproof coating should not be smooth, can be made into rough surface, which is conducive to the bonding of the upper and lower layers.

4, in the equipment skirt, the top of the steel structure construction should be made 30-45° fire paint groove, when the coating dry the top of the groove must be sealed with outdoor sealant.

· Fire performance: in line with GB14907-2018 "Steel structure fire retardant coating" standard.

· The products should be stored in a dry and ventilated warehouse with a temperature above 0 ° C to prevent sunlight exposure.

· Storage period of six months, packaging and transportation should be rain and moisture proof.