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Meristem MEADOW

A seeded native meadow, specified for habitat outcomes and audited for them.

Optimised for Verified pollinator habitat, not a plant list
Depth
6" (150 mm)
Saturated load
44 lb/ft² saturated
Annual retention
65%
Max slope
to 2:12
Wind
ANSI/SPRI RP-14 tested to 105 mph
Fire
ASTM E108 Class A (with maintained fuel breaks)
Planting
Regional native seed mix, 28–40 species, plugs at 4/m²
Maintenance
3 visits/year, one cut
Install rate
3,500 ft²/day, 3-person crew
Exploded assembly6" (150 mm) · 44 lb/ft² saturated
Native meadow plantingSeeded + plugged, ecoregion matched30 mmGrowing media, deep profileVaried depth 100–200 mm for niche diversity105 mmFilter fabricNon-woven PP, 4 oz4 mmDrainage + retention board0.44 gal/ft² held at the root zone25 mmRoot barrierFLL-tested, 0.5 mm HDPE, loose laid6 mmWaterproofing (by others)Assembly is membrane-agnostic10 mmSTRUCTURAL DECK (BY OTHERS)
Specified when
  • Institutional + campus roofs
  • Biodiversity net gain targets
  • Visible-from-above roofscapes
Biodiversity + habitatStormwater performance
Previously sold as

If a drawing in your set names one of these, it is asking for Meristem MEADOW.

  • BioMeadow 150BM-150

    Seed mix is now specified by ecoregion rather than one national mix.

  • Verdura MeadowVM

    Renamed only. Assembly and load unchanged.

Technical documents

10 documents cover this system

Open the portal →
DOCX

CSI 3-part specification — Meristem MEADOW

Specification · v4.2

DWG

Typical assembly details — all systems

CAD + BIM · v9.0

DWG

Drain, penetration and expansion-joint details

CAD + BIM · v9.0

PDF

Load table — saturated and dead loads, all systems

Performance data · v3.1

PDF

Wind uplift test report — ANSI/SPRI RP-14

Performance data · v2.2

PDF

Fire classification certificate — ASTM E108

Performance data · v1.4

PDF

Pre-installation checklist + membrane sign-off

Installation · v3.0

PDF

Maintenance schedule + plant establishment care

Maintenance · v5.1

PDF

Warranty registration form

Warranty + safety · v4.0

PDF

Safety data sheet — engineered growing media

Warranty + safety · v2.1

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