Useful to carry out the drainage, filtration and the differentiation of the layers. It is also suitable to facilitate heavier loads.

Slika26

Weight (g/m2) Width (m) Length (m) Area (m2) Color Usage
100 1 10 10 gray delamination, drainage
100 2 10 20 gray delamination, drainage
100 1 15 15 black differentiations(peak loads)
140 1 15 15 black delamination, drainage, filtration
140 2 15 30 black delamination, drainage, filtration