Birtley HD90 Cavity Wall Lintel – 2100mm

The Birtley HD90 is a robust cavity wall lintel designed for structural support within masonry walls. Measuring 2100mm in length, it is crafted from structural grade mild steel S275JR and incorporates integral insulation, a built-in damp proof course (DPC), and a plaster key to facilitate installation. This lintel is suitable for both trade professionals and DIY enthusiasts looking to provide a reliable solution for structural openings in walls.

With its superb thermal performance, the Birtley HD90 reduces thermal bridging by up to 55% compared to standard SAP values. The galvanised finish enhances its durability, ensuring long-lasting performance in both new builds and renovations while maintaining an impressive BREEAM rating of A+ due to its insulation properties.

Specifications

Type: Cavity wall lintel
Length: 2100mm
Height: 231mm
Weight: 14.8kg/m
Cavity Width: 90-105mm
Inner Leaf Width: 100mm
Outer Leaf Width: 100mm
Fire Rating: 60 minutes
Load Capacity: 70kN
Insulation: Expanded Polystyrene
Coating Finish: 65µm Hot Dip Galvanised
Thermal Performance: Up to 55% improvement on SAP default
Installation Requirements: Bed fully on bricklaying mortar; requires solid, fully jointed blockwork infill to the inner leaf

Key Features

• Manufactured from structural grade steels: S275JR to BS EN10025-2:2004
• Galvanised to BS EN 1461:2009 for superior corrosion resistance
• Insulated with expanded polystyrene to reduce thermal bridging
• Includes plaster key for convenient application to the inner leaf
• Features a rainwater drip to protect the outer leaf