Upper trim filled with Greenable Surface Substrate BB, lawn: RSM 5.1 or 7.2 seed mix for a durable lawn
Suitable bedding material
e.g. 30–50 mm fine gravel 0/5, bedding for pavement (surface layer), compensation for installation and dimensional tolerances
Base Layer
Gravel 0/32 or 0/45, layer thickness from 100 mm, required thickness of the base layer according to the category of use
Filter Fleece FIL 300
Prevents fine particles from forming sludge in the drainage layer; high water permeability, very high robustness class GRC 5 Productdetails: Filtervlies FIL 300
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