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IG L1/S100 Steel Lintel

IG Standard Duty 90-105mm Cavity Wall

Price range: £38.74 through £438.73

Product Code: L1S1000900BASE

IG L1 S100 Lintel

The IG L1 S100 is a galvanised mild steel Standard Duty Cavity Wall Lintel designed for standard duty loads in 90–105mm cavities. It provides structural support above door and window openings in brick and block construction, featuring corrosion-resistant properties for residential and light commercial building applications.

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

Engineered for 90–105mm cavity wall construction, the IG L1 S100 lintel distributes loads across both masonry leaves. It is manufactured in lengths ranging from 750mm to 4800mm to span varying structural openings, utilising a galvanised steel profile that maintains structural rigidity while reducing on-site handling weight.

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.

Additional information

Length

1200mm, 1500mm, 1800mm, 2100mm, 2400mm, 2700mm, 3000mm, 4800mm, 900mm