| 摘要 |
Described is a block (10) of lightening material, in particular insulating material, especially plastic material, preferably expanded material such as expanded polystyrene, used for manufacturing a respective shaped panel used to make a staircase for a construction, especially a building construction. The staircase panel comprises a respective top surface (12) having a shaped profile from which a plurality of staircase profiles (50, 60, 70, 80, 90) can be obtained by removing corresponding portions of material. |
