Birtley HD150 Heavy Duty Cavity Wall Lintel – 3300mm

The Birtley HD150 Heavy Duty Cavity Wall Lintel is engineered for robust support in cavity wall constructions, suitable for both trade professionals and DIY enthusiasts. With a length of 3300mm and a cavity size accommodating between 150-165mm, this lintel is designed to distribute loads effectively and maintain structural integrity in your building projects.

Made from Mild Steel S275JR, it offers outstanding durability and is finished with a 65µm Hot Dip Galvanization for superior weather resistance. Ideal for applications requiring fire resilience, it boasts a fire rating of 60 minutes when used with a two-coat plaster finish. Its advanced design reduces thermal bridging and enhances insulation performance, making it an excellent choice for modern construction needs.

Specifications

Type: Heavy Duty Cavity Wall Lintel
Length: 3300mm
Cavity: 150-165mm
Outer Leaf: 100mm
Inner Leaf: 100mm
Material: Mild Steel S275JR to BS EN10025-2:2004
Coating/Finish: 65µm Hot Dip Galvanised to BS EN ISO 1461:2009
Fire Rating: 60 mins (with 2 coat plaster finish)
Insulation: Expanded Polystyrene - BREEAM rating A+
Weight: 60.39kg
Height: 232mm
Width: 340mm

Key Features

• Supergalv coating ensures superior life expectancy
• Post-fabrication galvanising prevents inferior paint protection
• Designed to reduce thermal bridging
• Constructed from structural grade steel to EN10025
• Features a plaster key for the inner leaf