At present the most economical convenience method is spreading fireprotectioncoating to the steel structure.
目前，最经济方便的方法就是对钢结构涂覆防火涂料。
2
When the outdoor steel structure fireprotection, should use special open with fire retardant coating, and with anti rust primer.
当室外钢结构需防火保护时，应采用专用的露天用防火涂料，并以防锈底漆打底。
3
The fireprotection of steel structure of gymnasium and auxiliary facilities of Jinzhou Petrochemical Company and application of fire-proof coating were described in detail.