Drainage Material Perl 2-10 LA
Optigrün Drainage Material Perl 2/10 Lava is used as a drainage layer beneath intensive green roofs without water accumulation, for pressure-stable filling of plastic drainage boards and as a pressure resistant drainage and levelling course beneath paving.
Product properties
Material | Lava |
Grading | 2-10 mm |
Weight when saturated | max. 1,300 kg/m³ |
Weight dry | mind. 1,000 kg/m³ |
Area of use
- As a drainage layer beneath intensive green roofs without water accumulation
- For pressure-stable filling of plastic drainage boards
- As a pressure resistant drainage and levelling course beneath paving
Specific properties
- Fulfils the requirements of the FLL Green Roof Guideline