Birtley Standard Duty Steel Cavity Wall Lintel 3300mm x 199mm – CB50/130

The CB50/130 is a standard-duty cavity wall lintel designed specifically for applications where the inner leaf is wider, ranging between 125-140mm , and the outer leaf is 100mm. This lintel is suitable for typical cavity wall construction but not suitable for point loads or concrete floors . Key Features: Cavity Size: 50-65mm. Inner Leaf Width: 125-140mm. Outer Leaf Width: 100mm. Supergalv Coating: The lintel is hot-dip galvanized post-fabrication to ensure superior corrosion protection with up to 50% more zinc coverage than standard coatings. Material: Made from Mild Steel S275JR, adhering to BS EN10025-2:2004 for structural performance. Fire Rating: 60 minutes fire resistance with a two-coat plaster finish.