Semento (Portland cement, magnesium chloride o inorganic high temperature binder, atbp.), pinagsama-samang (pinalawak na vermiculite, pinalawak na perlite, aluminum silicate fiber, mineral wool, rock wool, atbp.), mga tulong sa kemikal (modifier, hardener, water-repellent, atbp.), tubig.Portland cement, magnesium chloride cement at inorganic binder para sa steel structure na fire resistant coating base na materyales.Kasama sa mga inorganic na binder na karaniwang ginagamit ang alkali metal silicate at phosphates, atbp.