08/31/2026
Better control. Better sealing. Better ventilation.
The EcoTight Endwall Rack & Pinion is engineered to give layer houses smooth, precise control of tunnel ventilation while helping reduce cold-air leakage.
✔️ Actuates multiple rows with one winch
✔️ Maximizes sealing to reduce air leakage
✔️ Minimizes the number of actuators needed
✔️ Durable, heavy-duty construction
✔️ Customizable rack & pinion design
✔️ Available in 24”–60” door sizes
✔️ Curved or straight rack options
Built for efficient ventilation control—and built to handle the demands of the layer industry.
🔗 Learn more about the EcoTight Endwall Rack & Pinion:
doublel.com/product/ecotight-endwall-rack-pinion