Verified by manufacturer 3 months ago
BBA Agrément Certificate
Certificate type
Statement of compliance
Certificate type
Provides a suitable growing medium.
Mixed pre-grown wildflower and sedum plugs or pre-grown wildflower and sedum blanket. Install GM40 Biodiverse Substrate medium on either Radmat D25 or D40 drainage/reservoir board covered with G11 filter fleece in accordance with the Radmat specification.
For compliance with Fire Regulations, Green Roof substrates must contain < 50% Organic Matter by volume. Please see STRI Certification for Radmat MedO Products.
Radmat GM40 Biodiverse Substrate provides a suitable growing medium to create a habitat in synchronisation with the surrounding local area, offering ideal conditions for invertebrates, animal species, colonisation by airborne plants and/ or the majority of species used in biodiverse green roofing applications including ‘brown’ roofs.
Consisting of recycled 14-5 mm crushed brick, 4-10 mm lightweight clay aggregate fine grade pine bark and composted recycled material (certified to PAS 100) all the materials used within its manufacture are responsibly sourced recycled materials of origin within the United Kingdom.
100% recycled material free from phytotoxic contaminants, all components are sourced with a strict identifiable provenance within a fifty mile radius of the manufacturing site, ensuring no contamination from invasive plant species such as Japanese Knotweed or Himalayan Balsam.
Color | Brown |
Finish | Natural |
Material | Brick Clay |
Shape | Formless |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Warranty description | 25 year |
Uniclass | |
CAWS | Q37/400 Vegetation blanket Q28/125 Green roof growing media system Q37/120 Simple intensive green roof Q37/130 Extensive green roof Q37/110 Intensive green roof |
General requirements | Topsoil, growing medium, subsoil and preparation materials generally |
pH (range) | 7.8 |
Air content at maximum water holding capacity | 19.7%. |
Product Reference | MedO GM40 Biodiverse Substrate |
Porosity | 60.3%. |
Contains Red List materials | No |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Recyclability | 100 |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 100 % |