Terra Firm
Terra Firm – Versatile Erosion and Flood Control Solution
The Terra Firm is AWB’s adaptable, heavy-duty sandbag designed for a wide range of flood control and erosion management projects. Built tough for New Zealand conditions, Terra Firm provides a fast, effective solution wherever reliable temporary barriers are needed.
Filled with sand or similar material, the Terra Firm can be stacked or positioned to create durable structures that help stabilise and redirect water in critical situations. Its versatility makes it ideal for both emergency response and planned civil works.
Corrosion-resistant to saltwater and contaminants
Cost-effective compared with traditional methods
Environmentally friendly
Compatible with the regeneration of vegetation
Re-useable and re-locatable
Terra Firm
Technical Specifications:
Technical Specifications:
Material: Polypropylene (PP)
Material specification: 213 g/m2
Safe working load: 1000 kgs
Top filling spout: 70gsm coated 450x500mm
Lifting belts: 50gsm virgin PP
UV-resistance: 3%
Filled Dimensions:
900mm (w) x 1250mm (h) x 900mm (d)
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Applications include:
Temporary floodwalls in flood-prone areas
Flood control during heavy rainfall and storm surges
Civil engineering projects requiring robust temporary barriers
Temporary water channel re-direction to manage flow and minimise damage
Riverbank stabilisation to reduce erosion risk
Retaining walls for land development and infrastructure support
At AWB, we design erosion and flood control solutions that deliver both strength and sustainability. The Terra Firm is trusted across New Zealand for its reliability, durability, and adaptability in protecting communities and landscapes.
Features
Permeable synthetic fabric membrane
Anti-ageing
Non-toxic
Non-combustible
U.V. protected
Applications
Temporary floodwalls
Flood control
Civil engineering
Water channel re-direction
Riverbank stabilisation
Retaining walls – support land development and infrastructure
Benefits
Corrosion-resistant to saltwater and contaminants
Hugely cost-effective compared with traditional methods
Minimal time and equipment required
Environmentally friendly
Compatible with the regeneration of vegetation
Re-useable and re-locatable
Recommended Fill
Sand
GAP 20 / 40
Compact rock
Concrete mix