Birtley HD90 Heavy Duty Cavity Wall Lintel – 2400mm

The Birtley HD90 Heavy Duty Cavity Wall Lintel is designed for use as an essential structural component in cavity wall construction. It is suitable for both trade professionals and DIY enthusiasts looking for robust insulation between vertical supports. This lintel ensures a reliable opening in walls while incorporating integral insulation, a built-in damp proof course (DPC), and a plaster key, enhancing its effectiveness in thermal performance and moisture control.

Manufactured from structural grade mild steel and hot dip galvanised, the lintel offers superior corrosion resistance and durability. Featuring an expanded polystyrene insulation that meets BREEAM rating A+, this product delivers up to 55% improvement on standard thermal bridging values, making it an ideal choice for energy-efficient building projects.

Specifications

Type: Heavy Duty Cavity Wall Lintel
Length: 2400mm
Cavity Size: 90-105mm
Inner Leaf: 100mm
Outer Leaf: 100mm
Material: Mild steel S275JR to BS EN10025-2:2004
Coating/Finish: Hot Dip Galvanised (Supergalv coating, 65µm to BS EN ISO 1461:2009)
Fire Rating: 60 minutes (with 2 coat plaster finish)
Thermal Performance: Up to 55% improvement on SAP default value in thermal bridging
Insulation: Expanded Polystyrene - BREEAM rating A+
Standard/Compliance: BS EN845-2:2013+A1:2016, EN846-9:2000/2016
Notified Body: Lucideon Ltd (NB 1289)
Load (kN): 60
Weight (kg/m): 14.8
Height: 231mm
Manufacturer: Birtley

Key Features

• Manufactured from structural grade steels for durability
• Galvanised after fabrication for corrosion resistance
• Insulated with expanded polystyrene to prevent thermal bridging
• Includes plaster key for enhanced adhesion
• Features a rainwater drip to protect against moisture ingress