Description
IG L1 S100 Lintel
The IG L1 S100 Lintel is a galvanised steel cavity wall lintel designed for standard duty applications within 90–105mm cavity walls. This L1 S100 Standard Cavity Lintel provides structural support above door and window openings in brick and block construction. Manufactured from galvanised mild steel, the L1S100 Lintel offers corrosion resistance, load bearing performance, and compatibility with standard cavity wall layouts used in residential and light commercial construction.
Specifications
| Product type | L1 S100 Standard Cavity Lintel |
| Range | IG Standard Load Cavity Wall Lintel |
| Material | Galvanised mild steel |
| Cavity width | 90–105mm |
| Outer leaf | 102mm |
| Inner leaf | 100mm |
| Height range | 87–217mm |
| Thickness range | 1.6–3.2mm |
| Length options | 900mm, 1200mm, 1500mm, 1800mm, 2100mm, 2400mm, 3000mm, 4800mm |
| Load capacity | Up to 27kN (3:1) and 22kN (19:1) |
| Fire resistance | 30 minutes |
| Product codes | L1/S1000900, L1S1001200, L1S1001500, L1S1001800, L1S1002100, L1S1002400, L1S1003000, L1S1004800 |
Key design features
The IG L1 S100 Lintel is designed for 90–105mm cavity wall construction with support across both masonry leaves. Multiple length options from 900mm to 4800mm allow the lintel to suit a wide range of structural openings. The galvanised steel construction provides corrosion resistance while maintaining a lightweight profile for easier installation handling.
Benefits
- Galvanised steel construction provides long term corrosion resistance.
- Supports standard cavity wall masonry construction.
- Wide range of lengths allows flexibility across different openings.
- Lightweight design assists with handling and installation.
- Suitable for residential and light commercial building projects.
Applications
This L1 S100 Standard Cavity Lintel is used above door and window openings within cavity wall construction. The L1S100 Lintel is suitable for housing developments, extensions, and light commercial projects where standard duty structural support is required across varying opening widths.
Explore more
Explore the full range of steel lintels to find alternative cavity wall lintels, load capacities, and structural support solutions.
Contact us
For help selecting the correct IG L1 S100 Lintel or confirming suitability for your project, contact the team for technical advice and UK wide supply.





