Fortetsia 2.25XL is the smallest design from the Fortetsia shelter line and at the same time it has two entrances and exits with a Z-run. A common type of shelter for installation at transport stops, in crowded cities and at small businesses to shelter company employees. It is used by demand from individual customers in cases where it is not possible to install an underground shelter.
| Number of modules | 1 |
| Length | 6 230 mm |
| Width | 3 980 mm |
| Protected area | 7,72 sq.m |
| The number of trawls for the transportation of domes | 1 |
| The number of cars for the transportation of construction walls | 1 |
| Number of cars for transporting floor slabs | 1 |
