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Description The CB130 is a standard-duty cavity wall lintel designed for 130-145mm cavities and 100mm inner and outer leaves . It is not suitable for point loads or concrete floors but provides robust support for cavity walls. Key Features: Cavity Size: 130-145mm. Inner and Outer Leaf Width: 100mm. Supergalv Coating: Hot-dip galvanized after fabrication, offering up to 50% more zinc protection than other coatings. Thermal Bridging: Design reduces thermal bridging by eliminating a baseplate and factory-fitted insulation. Fire Resistance: Tested to BS 476-20:1987 for fire resistance. Material: Made from Structural Grade Steel S275JR, compliant with BS EN10025-2:2004.