The Cavity Wall Structural Lintel L1/S 100mm – 1500mm is an essential component for creating robust and thermally efficient openings in cavity wall construction. Engineered from high-quality, pre-galvanised steel, this standard-duty lintel provides reliable structural support for masonry above doors, windows, and other apertures. Designed specifically for 90-105mm cavity widths, it ensures structural integrity and compliance with UK building regulations, making it a trusted choice for builders and contractors.
Key Features and Specifications
- Material: Constructed from high-quality, pre-galvanised mild steel for exceptional durability and corrosion resistance.
- Cavity Width Suitability: Precisely engineered for cavity widths ranging from 90mm to 105mm.
- Length: 1500mm, suitable for a variety of standard openings.
- Load Bearing: Standard duty loading capacity, ideal for typical residential and light commercial applications.
- Thermal Performance: Insulated with expanded CFC-free polystyrene and includes a thermal break plate to minimise heat loss and prevent cold bridging.
- Installation: Features flat internal plates allowing for continuous blockwork directly above the lintel. Can be propped to facilitate faster construction.
- End Bearing: Requires a minimum end bearing of 150mm on each side for secure positioning.
- Compliance: Meets rigorous UK standards for structural, thermal, and fire performance, including BS EN 846-9:2016, BS EN 845-2:2013+A1:2016, and Building Regulations Part L.
- Dimensions: Outer leaf width 102mm, Inner leaf width 100mm, overall height approximately 87-88mm.
Applications
This versatile steel lintel is perfectly suited for a wide array of construction projects. Its robust design makes it ideal for supporting masonry loads, uniformly distributed timber floor loads, and roof loads over openings in cavity walls. Common applications include new build residential properties, domestic extensions, and refurbishment projects. It provides dependable support for window and door openings, ensuring the long-term stability and structural integrity of the building.
Delivery in and Around London
We offer reliable and efficient delivery of our Cavity Wall Structural Lintels across London and the surrounding home counties. Whether your project is in central London boroughs such as Croydon, Lewisham, Southwark, Camden, or Hackney, or within Greater London areas like Enfield, Bexley, Redbridge, and Barnet, we ensure timely dispatch. We also serve surrounding counties including Kent, Essex, Surrey, and Hertfordshire. Trade quantities are always welcome, with various formats available to meet your project’s demands.


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