Lindab Rectangular
Lindab’s rectangular duct system is a robust, high-quality solution made from durable materials, designed to meet the demands of modern ventilation in all types of buildings — from commercial and industrial to cleanroom environments. Available in larger sizes, it offers excellent stability, pressure resistance, and long-term reliability.
Lindab Rectangular air duct system
Why Lindab Rectangular?
Lindab’s rectangular duct system is a smart and adaptable choice when space utilization, strength, and performance matter most.
Technical & Performance Highlights:
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Enhanced stability and durability
Thanks to reinforced construction (trapezoidal stiffening), the system complies with MSZ EN 1505, providing excellent mechanical stability. -
Good airtightness
Class C airtightness can be achived as per EN 1507 with proper installation. -
Pressure resistance
Handles elevated pressures from +1000 Pa to -630 Pa, ensuring safety and reliability in demanding systems. Even higher pressure resistance can also be achived, ask our colleagues.
Flexibility & Design:
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Custom cross-sectional sizes available
Tailored to project needs — even large-scale industrial dimensions possible -
Smooth internal design
Chamfered elbows and T-pieces reduce internal resistance for better airflow
Application-Specific Advantages:
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Perfect for industrial and cleanroom environments
Available with protective packaging and end caps on request, making it ideal for sensitive or hygienic applications.
Products
The rectangular assortment consists of rectangular ducts, fittings and silencers with dimensions in accordance with EN1505 when not otherwise specified.
All ducts and fittings are made of hot-dip galvanized steel sheet. If higher corrosion protection is needed, aluminum zinc, zink magnesium or stainless steel can be used.
Some products might differ slightly from country to country. Please contact your local Lindab store for correct information.