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Reference งานกันไฟ : https://goo.gl/42xuLn
High performance fire barrier with the feature of composite sheet that consisting of fiber reinforced cement, mechanical bonding with steel sheet , providing vibration resistance and thermal shock resistance. The rating of fire resistance is between 3-6 hours, also it is durable and stable both before and after fire occurrence. Moreover, it is able to be divided into sizing panels. Durasteel comes with global standards form UL, ASTM, BS 476 Pt20, etc. It can be installed on flooring, wall, ceiling, fire-door, shaft and mechanical & electrical system.
The calculation for design & standard.
It is necessary to concern about the standard and design calculation.