The Birtley HD90/130 is a heavy-duty cavity wall lintel designed for construction projects requiring wide inner leaf support. It has a unique Supergalv hot-dip galvanization process that provides up to 50% more zinc protection, leading to improved durability and thermal efficiency. With SWL ranging from 25 kN to 70 kN and complying with European standards, it is a reliable structural support option.

For a wide selection of Birtley Steel Lintels, click here.

Brand: Birtley
Generic: Ref HD90/130
Product Range: Cavity Wall Lintels
Product Sub-range: 90-105mm Cavity Wide Inner Leaf
Product Type: Heavy Duty Cavity Wall Lintel - 100mm Outer leaf/125-140mm Inner Leaf
European Standard/ETA: BS EN845-2:2013+A1:2016
Test Standard: EN846-9:2000/2016
Material: Mild Steel S275JR to BS EN10025-2:2004
Coating/Finish/Colour: 65µm Hot Dip Galvanized to BS EN ISO 1461:2009
Insulation Expanded Polystyrene - BREEAM rating A+

Available in span lengths from 750mm to 2700mm.

Fire Rating: 60 mins (with 2 coats of plaster finish)

Installation requirement:

• Bed fully on bricklaying mortar
• Must be used with a cavity tray - External walls only
• Not suitable for point loads or concrete floors
• 150mm minimum end bearing
  

Features:

• Supergalv coating offers superior life expectancy
• Post-fabrication galvanising leaves no surface with inferior paint protection
• Lack of baseplate and factory-fitted insulation reduces thermal bridging
• Structural grade steel to EN10025
• Wide inner leaf to suit 125-140mm block

Option 1:
Alternative material options: Ultragalv coating (150µm), Stainless Steel 1.4301
(304)
Option 2:
Outer Leaf Options: Reduced length flange (RFF), No rainwater drip (ND),
Render mesh (MF)
Option 3:
Inner Leaf Options: No plaster key (NM), Closer plate (CP)