Birtley are the only lintel manufacturer to hot-dip galvanize after fabrication providing up to 50% more zinc protection than other approved coatings. The supergalv coating offers superior life expectancy and the post-fabrication galvanizing leaves no surface with interior paint protection. 
Structural grade steel to EN10025
Installation requirements 
1. Bed fully on bricklaying mortar 
2. Must be used with a cavity tray - External walls only 
3. 150mm Minimum end bearing 
Brand: Birtley 
Generic Ref: SB140HD
Product Range: Single Leaf Internal Walls
Cavity Product Type: Heavy Duty Internal Wall Box Lintel - 140mm Block
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+ 
Fire Rating: 60 mins (with 2 coat plaster finish)
         
        
            
    
        
            Products specifications
        
        
            
                
                    
                        | Attribute name | Attribute value | 
                
                
                        
                            | Range | Single Leaf Internal Walls |