Vervaeke Cable System
Custom Cable System Drop-Down Ventilation Curtain
Achieve superior air exchange and eliminate cold ground drafts in your livestock housing. The Cable System is a high-performance, top-down ventilation curtain engineered specifically for dairy cattle housing, calf sheds, and general agricultural buildings. Covering impressive spans up to 80 metres wide and 4.5 metres high, this system lowers from the top down while rolling tightly onto a bottom axle, directing fresh incoming air high above stock level for optimal, draft-free barn circulation.
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Description
Precision Cable Mechanics & Constant Fabric Tension
The Cable System utilizes a stainless steel top cable running through precision rollers along the header of the opening. High-strength nylon drop cables connect to this main line, smoothly retracting or lowering the curtain.
As the curtain descends, the heavy-duty bottom axle rolls the fabric up tightly, ensuring the entire wall panel stays taut, flat, and highly wind-resistant across all height adjustments. The system requires 15 cm of header clearance at the top and 30 cm at the base (20 cm top and 35 cm base when fitted with the optional bird screen frame).
Key Technical Benefits & Features
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Spans Up to 80m Wide x 4.5m High: Custom-manufactured to seal wide building spans without breaking continuous airflow lines.
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Top-Down Air Intake Geometry: Admits fresh air high up near the eaves, creating a natural thermal chimney effect that strips out ammonia without chilling stock.
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100% Stainless Steel Cable & Fastener Assembly: All main control cables, tensioners, and mounting fasteners are made from high-grade stainless steel to resist rust and chemical corrosion.
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Versatile Control Roster: Operable via manual winch and crank, manual remote control, or an automated electric motor linked to a weather computer.
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Fire-Retardant M2 Fabrics (in option): All textile choices carry an official European flammability class M2 fire rating.
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CE Certified Engineering: Built in full compliance with European health, safety, and agricultural machinery standards.
Factory-Welded Custom Fabrics & Bird Screen Ratios
Every Cable System curtain is welded to order in our factory to match your specific micro-climate calculations:
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100% Waterproof Heavy-Duty Tarpaulin: Provides an impenetrable wind and rain barrier—ideal for vulnerable calf rearing zones or dry forage storage.
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High-Breathability Windbreak Mesh: Diffuses harsh gales into gentle, indirect air currents while maintaining continuous oxygen exchange.
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Multi-Factor Bird Mesh: Available in various density levels to control incoming air speeds while keeping unwanted birds out.
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Agricultural Color Options: Offered in a broad selection of colors per windbreak factor to harmonize with your existing site cladding.
Automation Safety & External Safety Screens
When integrating ventilation curtains with climate computers or remote control systems, physical safety and biosecurity are prioritized:
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Elevation Safety Rule: To prevent accidental entanglement with moving parts, a climate computer can only be connected directly if the base of the system sits higher than 2.70 metres above the ground.
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Optional Outer Bird Mesh Frame: For lower installations, a secondary bird screen frame can be mounted on the exterior face of the building:
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Biosecurity Defense: Keeps wild birds out of feed alleys and bedding areas, significantly reducing disease risks.
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Child & Operator Guard: Forms a physical barrier that prevents farm staff or children from coming into contact with the revolving lower roller tube during automated adjustments.
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Self-Cleaning Screen: Positioned on the exterior wall face, allowing natural rainwater to rinse away dust and airborne debris automatically.
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System Specifications Overview
| Feature / Metric | System Specification Details |
| Maximum Dimensions | Up to 80m Wide x 4.5m High |
| Opening Mechanism | Top-down lowering with bottom axle roll-up |
| Drive Mechanics | Stainless steel top cable with nylon drop leads & precision rollers |
| Clearance Needed | Standard: 15 cm Top / 30 cm Base | With Bird Frame: 20 cm Top / 35 cm Base |
| Hardware Standard | 100% Stainless Steel cables, tensioners, and fasteners |
| Fire Safety Rating (in option) | Flammability Class M2 (Fire Retardant) |
| Certification & Safety | CE Label Certified; compliant with automated climate computer safety rules |
Optimize Your Livestock Housing Climate
Give your herd the benefit of draft-free, top-down fresh air ventilation. Contact the Intershape technical sales team today for custom site advice, fabric samples, and a project quote.