RDS
RDS Combifelt
Filter and drain, pre-assembled.
Composite geotextile
Geocomposite
RDS Combifelt
Non-woven geotextile combined with high-tenacity polyester yarns: reinforcement, drainage and filtration in one layer.
- Type
- Drainage geocomposite
- Build
- Non-woven + drainage core
- Function
- Filter + drain
- Brand
- RDS
Replace the gravel drain.
A traditional drainage blanket needs imported graded aggregate and a filter fabric. Combifelt delivers both in a thin roll — faster to lay, lighter on the structure and consistent in performance.
Indramas supplies and installs Combifelt behind walls and beneath slabs and caps.
Key features
- Two functions, one rollFilter and drainage pre-bonded together.
- Replaces aggregateNo imported gravel drainage blanket.
- Fast to installRolls out in place of layered works.
- Consistent flowEngineered core, predictable drainage.
Specifications
| PROPERTY | VALUE |
|---|---|
| Type | Geocomposite drainage mat |
| Core | Geonet / 3D mesh HDPE |
| Filter layer | Non-woven PP geotextile both sides |
| Flow rate | ≥ 1.0 L/(m·s) |
| Standard | EN 13252 / ASTM D4716 |
Applications
01Retaining-wall drainage
Relieves water pressure behind walls.
02Landfill capping
Drainage layer in closure caps.
03Podium & planter decks
Sub-surface drainage under landscaping.
04Tunnel & basement
Drained protection against ingress.
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