Silt Curtains.
Robust, Permanent Floor Bunding for High-Traffic Industrial Areas
Australian-built Silt Curtains
Control sediment. Protect water quality. Meet approvals. Our highly durable silt curtains are engineered for performance across calm to high‑energy sites.
Effective Turbidity Control for Marine & Freshwater Projects
Envirosmart Silt Curtains (also known as turbidity curtains or sediment barriers) are engineered to contain suspended sediment during in-water construction and dredging activities.
Designed for Australian conditions, our curtains provide reliable sediment containment in rivers, lakes, canals, estuaries and protected marine environments.
Whether you’re managing shoreline works, bridge construction, marina development or dredging operations, Envirosmart offers a practical solution to minimise environmental impact and maintain regulatory compliance.
Understanding How Silt Curtains Work
A silt curtain floats on the water surface using buoyancy elements and extends downward into the water column via a flexible geotextile skirt.
The system:
- Contains disturbed sediment within a defined work zone
- Reduces migration of suspended solids
- Allows controlled water flow beneath or around the barrier
- Protects adjacent ecosystems and infrastructure
Each curtain section connects to form continuous containment lines and is anchored to suit site conditions.
Choosing the Right Envirosmart Silt Curtain.
Selection depends on:
- Water depth
- Current speed
- Wave action
- Tidal movement
- Project duration
- Regulatory requirements
Our range is categorised into Type 1, Type 2, Type 2 PLUS and Type 3 (Custom systems), making it easy to match the curtain to site conditions.
TYPE 1 Silt Curtains
For Calm & Sheltered Waters
Ideal for:
- Ponds and dams
- Calm rivers and creeks
- Marinas and protected waterways
- Light construction activities
Type 1 is designed for environments with minimal current and limited wave action. It is lightweight, easy to deploy, and well suited to short-term or low-energy applications.
Key Features:
- Economical sediment control solution
- High-visibility flotation chamber
- Permeable geotextile skirt for sediment containment
- Modular panel design with marine-grade connectors
- Ballast chain to maintain vertical stability
Typical Applications:
- Shoreline maintenance
- Small dredging operations
- Stormwater outfall works
- Landscaping near water bodies
TYPE 2 Silt Curtains
For Moderate Water Movement
Ideal for:
- Tidal rivers
- Estuaries
- Coastal developments in semi-protected zones
- Medium-scale marine construction Type 2 provides enhanced strength and flotation for environments with moderate currents and wave exposure.
Key Features:
- Increased buoyancy capacity
- Reinforced skirt material
- Heavy-duty ballast system
- Stronger connection hardware
- Improved durability for extended projects
Typical Applications:
- Bridge and jetty construction
- Marina extensions
- Dredging in tidal zones
- Wharf upgrades
TYPE 2 Plus Silt Curtains
For High Current & Challenging Conditions
Ideal for:
- Open coastal areas
- Strong tidal flows
- Ports and shipping channels
- Large infrastructure projects
Type 2 PLUS curtains are engineered for demanding environments where strength, stability and performance are critical.
Key Features:
- Heavy-duty flotation system
- High-strength geotextile skirt
- Reinforced stress points
- Substantial ballast weight
- Designed for high current velocities
Typical Applications:
- Major dredging programs
- Port expansions
- Coastal defence works
- Infrastructure upgrades
TYPE 3 [Custom]
Engineered for Complex or Unique Projects
Some sites require more than a standard curtain configuration.
Envirosmart Custom Silt Curtains are designed to suit:
- Variable water depths
- Tapered seabeds
- Irregular shorelines
- Long-term deployments
- Project-specific compliance requirements
Custom options may include:
- Tapered skirt designs
- Increased skirt depth
- Enhanced flotation systems
- Site-specific anchoring configurations
- Specialised connection systems
- Branded or colour-coded flotation
Our team works closely with project managers, engineers and environmental consultants to deliver a tailored containment solution.
Standard Construction Components
While specifications vary between Types 1–3 and Custom builds, Envirosmart Silt Curtains commonly include:
Flotation System
- Closed-cell foam or air-filled floats
- UV-stabilised outer sleeves
- High visibility colour options
Curtain Skirt
- Durable woven or non-woven geotextile
- Designed for sediment containment
- Reinforced vertical load webbing
Ballast
- Galvanised ballast chain
- Ensures vertical hang and stability
Connections
- Heavy-duty grommets or universal connectors
- Modular sections for easy transport and installation
Installation & Anchoring
Proper installation is essential for performance.
Anchoring systems are selected based on:
- Water depth
- Seabed type
- Current velocity
- Expected environmental forces
Common anchoring methods include:
- Concrete blocks
- Danforth anchors
- Screw anchors
- Custom anchoring frames
Envirosmart can provide guidance on installation methodology and deployment best practice.
Download our FREE Anchoring Guide
Compliance & Environmental Protection
Our silt curtains assist contractors in meeting environmental management requirements by:
- Reducing turbidity migration
- Protecting aquatic habitats
- Minimising downstream contamination
- Supporting erosion and sediment control plans
They are suitable for use across civil, marine, mining and infrastructure projects throughout Australia.
Why Choose Envirosmart?
- Australian manufactured
- Customisation capability
- Reliable lead times
- Practical, project-driven advice
- Quality materials suited to harsh environments
When environmental compliance matters, you need solutions that perform.
Contact one of our Friendly Staff Today.
Our team of experts are standing by to take your call. Feel free to reach out with any product questions you may have, or to locate your nearest reseller.
1300 302 428.
