What wool do I need to obtain a fire resistance class of 90 mins for a steel block?
The product is called PAROC FPS 14. For defining the thickness of the wool more information about the insulation target is required. We would need to know the type of the block, the cross-sectional measurements and the design temperature. The installation is the most critical factor and there are instruction relating to it in the type approval. > Fire protection of steel structures Q: A fire inspector stumbled across the loft of our terraced house and found inadequacies. Apparently there are holes big enough for a Kozak hat to go through (and should not be able to) in the fire stop between the flats of the loft and inside the brick ceiling. He recommended putting fire wool in the gaps. What is fire wool and are there any other good ways? A: The so-called fire wool is PAROC FPS 14, which is a hard wool slab. It is easy to cut into carefully measured pieces even up in a cramped loft and the pieces are then placed tightly into the aforementioned gaps. This is definitely the easiest way to
