 
			Protech Reserve
R 90 x 30 (38) – 18 x s
| Typ l x b (b effektiv)- c x s (mm) | Stahlblech (kg/m²) | Aluminium (kg/m²) | 
|---|---|---|
| R 90 x 30 (38) - 18 x 1,5 | 11,00 | 3,60 | 
| R 90 x 30 (38) - 18 x 2,0 | 14,60 | 4,80 | 
 
			R 90 x 30 (38) – 18 x s
| Typ l x b (b effektiv)- c x s (mm) | Stahlblech (kg/m²) | Aluminium (kg/m²) | 
|---|---|---|
| R 90 x 30 (38) - 18 x 1,5 | 11,00 | 3,60 | 
| R 90 x 30 (38) - 18 x 2,0 | 14,60 | 4,80 |