Meristem LITE
The thinnest full assembly we build, for decks with nothing left to give.
- Depth
- 4" (100 mm)
- Saturated load
- 26 lb/ft² saturated
- Annual retention
- 55%
- Max slope
- to 2:12 without stabilisation
- Wind
- ANSI/SPRI RP-14 tested to 110 mph
- Fire
- ASTM E108 Class A (with border ballast)
- Planting
- 12-species sedum mat, pre-grown 18 months
- Maintenance
- 2 visits/year
- Install rate
- 6,000 ft²/day, 2-person crew
- Retrofit over existing structure
- Warehouse + big-box roofs
- Bylaw compliance at lowest load
If a drawing in your set names one of these, it is asking for Meristem LITE.
V-Lite 100VL-100
Same assembly. Media spec updated to the 2026 mineral blend.
Verdura Sedum MatVSM
Mat now ships 12-species; single-species option discontinued.
11 documents cover this system
CSI 3-part specification — Meristem LITE
Specification · v4.2
Typical assembly details — all systems
CAD + BIM · v9.0
Drain, penetration and expansion-joint details
CAD + BIM · v9.0
Load table — saturated and dead loads, all systems
Performance data · v3.1
Wind uplift test report — ANSI/SPRI RP-14
Performance data · v2.2
Fire classification certificate — ASTM E108
Performance data · v1.4
Installation manual — LITE and TRAY
Installation · v7.0
Pre-installation checklist + membrane sign-off
Installation · v3.0
Maintenance schedule + plant establishment care
Maintenance · v5.1
Warranty registration form
Warranty + safety · v4.0
Safety data sheet — engineered growing media
Warranty + safety · v2.1
Meristem TRAY