Birtley HD90 – 3000mm

Birtley HD90 is a high-quality steel lintel designed for use in a variety of construction projects, offering robust support for brick and block work. With a length of 3000mm and a cavity width of 90-105mm, this lintel is ideal for both trade professionals and DIY enthusiasts looking to ensure structural integrity in their builds.

Fabricated from structural grade Mild Steel S275JR and finished with a 65µm hot dip galvanization, the Birtley HD90 ensures long-lasting durability and resistance to corrosion. Its factory-fitted insulation made from expanded polystyrene provides excellent thermal performance, reducing thermal bridging by up to 55%. Additionally, with a fire rating of 60 minutes when finished with two coats of plaster, this lintel meets significant safety standards, making it an excellent choice for a variety of applications.

Specifications

Length: 3000mm
Width: 280mm
Height: 232mm
Cavity Width: 90-105mm
Outer Leaf Thickness: 100mm
Inner Leaf Thickness: 100mm
Span: 2.5m
Maximum Opening: 2700mm
Load Bearing Capacity: 55kN
Material: Mild Steel S275JR to BS EN10025-2:2004
Coating Finish: 65µm Hot Dip Galvanised to BS EN ISO 1461:2009
Insulation: Expanded Polystyrene - BREEAM rating A+
Thermal Performance: Factory-fitted insulation reduces thermal bridging by up to 55%
Fire Rating: 60 mins (with 2 coat plaster finish)
Installation Requirements: Bed fully on bricklaying mortar; must be used with a cavity tray (external walls only); minimum end bearing 150mm; solid, fully jointed blockwork infill to inner leaf required.

Key Features

• Supergalv coating for enhanced durability
• Post-fabrication galvanising for corrosion resistance
• Lack of baseplate for easier installation
• Factory fitted insulation with BREEAM rating A+
• Plaster key on inner leaf for improved plaster adhesion