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Description The CB110 is a standard-duty cavity wall lintel designed for 110-125mm cavities and 100mm inner and outer leaves . It is not suitable for supporting point loads or concrete floors but offers excellent structural performance for cavity walls. Key Features: Cavity Size: 110-125mm. Inner and Outer Leaf Width: 100mm. Supergalv Coating: Hot-dip galvanized after fabrication, offering up to 50% more zinc protection than standard coatings. Free Technical Support: Birtley offers unlimited support from its technical team, free of charge. Material: Manufactured from Structural Grade Steel S275JR, compliant with BS EN10025-2:2004.