FireCrunch is produced in FIVE different thicknesses and 4 edge types: 10mm, 12mm, 16mm and 19mm TG which cover most 80-90% of all fire requirements.
There are also a few different types of edges for different types of application. Sheets suit floors, walls interior and exterior, ceilings roofing and decks.
To simplify this, please view the charts on the specific product(s).