Bitumen paper – windproofing material for walls. Designed to protect the thermal insulation material of insulated walls/roofs from the direct effects of wind and moisture, and to regulate its humidity and temperature regime.
| Parameters | Characteristics |
| Dimensions |
1.20 m x 25 m = 30 m² |
| Areal density | 140 g/m² +/- 6 % |
| Thickness | 0.18 mm +/- 15 % |


