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Exteme Heavy Duty Wall Lintel 

Cavity: 50-65mm 

Wide Inner Leaf: 125-140mm

Outer Leaf: 100mm

Should be laterally restrained and propped during installation.    



  • Wide inner leaf to suit 125-140mm block
  • Structural grade steel to EN10025
  • Supergalv coating offers superior life expectancy


Length 750-4200 4350-4800 4950-5400 5550-6600
L (kN) 120 100 90 65
W (kg/m) 59.2 59.2 59.2 59.2
H (mm) 240 240 240 240

(L) Load SWL/UDL value (W) Weight (H) Height 

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Brand Birtley
Generic Ref XHD50/130
Product Range Cavity Wall Lintels
Product Sub-range 50-65mm Cavity Wide Inner Leaf
Product Type Extreme 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
Notified Body Lucideon Ltd (NB 1289)
Material Mild Steel S275JR to BS EN10025-2:2004
Coating/Finish/Colour 65µm Hot Dip Galvanized to BS EN ISO 1461:2009
Thermal Performance Contact us for information
Insulation Expanded Polystyrene - BREEAM rating A+
Fire Rating 60 mins (with 2 coat plaster finish)
1. Installation requirement Bed fully on bricklaying mortar
2. Installation requirement Must be used with a cavity tray - External walls only
3. Installation requirement Not suitable for point loads or concrete floors
4. Installation requirement 150mm Minimum end bearing
Sales Qty 1
Packaging weight 0
1. Features Supergalv coating offers superior life expectancy
2. Features Post-fabrication galvanizing leaves no surface with inferior paint protection
3. Features Lack of baseplate and factory fitted insulation reduces thermal bridging
4. Features Structural grade steel to EN10025
5. Features 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)

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