Drainage Material Perl 2/10 LA

Optigrün Drainage Material Perl 2/10 LA is used as a drainage layer beneath intensive green roofs without water accumulation, for pressure resistant filling of Drainage Boards and as pressure resistant drainage and equalization layer beneath paving.

Material Lava
Grading 2 - 10 mm
Salt content < 1.0 g/l
Max. water capacity 14 - 18 Vol%
Water permeability 180 - 450 mm/min
Weight dry min. 1,000 kg/m³
Weight when saturated max. 1,300 kg/m³