# Steel Lintel – Box Section

A steel box lintel is a strong structural component designed to support masonry above doors, windows, and other wall openings. Manufactured from durable steel, it is engineered to distribute loads evenly across the span of an opening, helping to maintain the stability and integrity of surrounding brickwork or blockwork. Its enclosed box profile provides added rigidity and strength, making it suitable for a wide range of load-bearing applications in both residential and commercial construction.

Designed for consistent performance and long-term durability, steel box lintels are commonly used in cavity wall and solid wall builds where reliable structural support is essential. Their robust construction allows for straightforward installation while providing dependable resistance to everyday building stresses, making them an important part of modern masonry projects.

## Details

- **Price:** 79.09 GBP - 597.04 GBP
- **Vendor:** KEYSTONE LINTELS
- **Type:** Steel Lintels
- **Tags:** Box Lintel, Building Materials, Lintels, Local, Steel Lintels

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| 1200mm / 150mm / 1.6mm | 79.09 GBP | In stock |
| 1500mm / 150mm / 1.6mm | 99.16 GBP | In stock |
| 1800mm / 150mm / 2.5mm | 130.58 GBP | In stock |
| 2100mm / 215mm / 2.5mm | 154.93 GBP | In stock |
| 2400mm / 150mm / 2.0mm | 176.82 GBP | In stock |
| 2700mm / 150mm / 2.0mm | 199.76 GBP | In stock |
| 3000mm / 215mm / 2.5mm | 310.61 GBP | In stock |
| 3300mm / 215mm / 2.5mm | 341.90 GBP | In stock |
| 3600mm / 215mm / 2.5mm | 384.64 GBP | In stock |
| 3900mm / 215mm / 2.5mm | 439.98 GBP | In stock |
| 4200mm / 215mm / 2.5mm | 470.39 GBP | In stock |
| 4800mm / 215mm / 2.5mm | 597.04 GBP | In stock |

## Images

- Steel Lintel – Box Section

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> Source: [Carvers Building Supplies](www.carvers.co.uk/products/lintel-steel-box-k200-2100mm-l-x-215mm-h-x-2-5mm-thick)
> Updated: 2026-06-17