CB50

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CB50

Standard Cavity Wall Lintel

Cavity: 50-65mm 

Outer Leaf: 100mm

Inner Leaf: 100mm 

Not suitable for point loads or concrete floors. 

 

Features  

  • Supergalv coating offers superior life expectancy
  • Post-fabrication galvanizing leaves no surface with inferior paint protection
  • Lack of baseplate and factory fitted insulation reduces thermal bridging

 

Length 750-1200 1350-1650 1800-2100 2250-2400 2550-2700 2850-3000 3150-3900
L (kN) 15 15 20 22 26 26 26
W (kg/m) 5.8 7.1 8.1 9.9 10.9 11.5 14
H (mm) 114 114 144 149 172 190 206

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

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Brand Birtley
Generic Ref CB50
Product Range Cavity Wall Lintels
Product Sub-range 50-65mm Cavity
Product Type Standard Duty Cavity Wall Lintel - 100mm Inner leaf/100mm Outer 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 Plaster key to inner leaf
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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