Drainage Material Perl 8-16 LA
Optigrün Drainage Material Perl 8/16 LA is used as a drainage layer beneath intensive green roofs as pressure resistant drainage and levelling course beneath paving.
Product properties
| Material | Lava |
| Grading | 8-16 mm |
| Weight when saturated | approx. 1,150 kg/m³ |
| Weight dry | approx. 1,020 kg/m³ |
Area of use
- As a drainage layer beneath intensive green roofs
- For pressure-stable filling of plastic drainage boards
- As a lightweight drainage and levelling course under paving
Specific properties
- Fulfils the requirements of the FLL Green Roof Guideline