The assembled SISMO® construction system is a continuous monolithic concrete system, thus without fire leakage through the assembled system (horizontally, vertically…). This characteristic of being a construction system fire resistant, is also specified in the European Technical Approval.
The polystyrene used is self extinguishing in compliance with the DIN 4102 rules, where necessary the SISMO® building technology allows the use of alternative infill materials, for example; fiber cement board is used on the inside of a lift shaft.
Fire resistant tests carried out on different types of SISMO modules have given very satisfactory results.
- S20® with 10 cm concrete + 2 x 4 cm polystyrene = > 70 mins
- S25® with 15 cm concrete + 2 x 4 polystyrene = > 140 mins
- F20® with ribbed floor slabs with a rib depth of 20 cm = > 89 mins
All reports can be supplied upon request.