Catnic CN71A Steel Box Lintel For External Solid Walls is a standard duty galvanised steel lintel for outer leaves measuring 200–215mm. Designed for solid wall construction, it carries loads of up to 29kN and spans up to 2700mm with 150mm end bearings. The lintel offers strong support for brick and block formats and resists corrosion over time. Each unit weighs between 8,630g and 25,890g depending on length, with a consistent nominal height of 143mm.

Key Features

• Steel lintel suitable for external solid walls
• Outer leaf compatibility: 200–215mm
• Load-bearing capacity up to 29kN (standard duty)
• Lengths from 900mm to 2700mm in 150mm steps
• Manufacturer: Catnic
• Weight range: approx. 8.63kg to 25.89kg
• Nominal lintel height: 143mm across all sizes
• Datasheet