| SPK | Insulation thickness | Pocked |
| Box | ||
| Length mm | Thickness mm | Item |
| SPK 80 | 30 – 60 | 250 |
| SPK 105 | 55 – 85 | 250 |
| SPK 130 | 80 – 110 | 250 |
| SPK 155 | 105 – 135 | 250 |
| SPK 180 | 130 – 160 | 250 |
| SPK 205 | 155 – 185 | 250 |
| SPK 230 | 180 – 210 | 250 |
| SPK 255 | 200 – 230 | 250 |
For fixing insulation boards in the system of so-called lost siding.
| SPK | Insulation thickness | Pocked |
| Box | ||
| Length mm | Thickness mm | Item |
| SPK 80 | 30 – 60 | 250 |
| SPK 105 | 55 – 85 | 250 |
| SPK 130 | 80 – 110 | 250 |
| SPK 155 | 105 – 135 | 250 |
| SPK 180 | 130 – 160 | 250 |
| SPK 205 | 155 – 185 | 250 |
| SPK 230 | 180 – 210 | 250 |
| SPK 255 | 200 – 230 | 250 |
F. Leskovec d.o.o.
Šentjošt 16
SI-1354 Horjul
t: +386 1 754 01 21
f: +386 1 754 01 22