Birtley Standard Duty Steel Cavity Wall Lintel 3900mm x 197mm - CB90

The CB90 Standard Duty Cavity Wall Lintel is designed for cavity walls with a cavity width of 90-105mm, typically used for supporting openings in external walls. It is suited for load-bearing applications but not recommended for point loads or concrete floors. Key Features: Cavity Size: 90-105mm Outer Leaf: 100mm Inner Leaf: 100mm Supergalv Coating: Post-fabrication galvanizing provides up to 50% more zinc protection compared to other coatings, offering superior life expectancy. Thermal Bridging: The standard cavity lintel design achieves up to 55% improvement in thermal bridging compared to SAP default values, contributing to improved thermal performance. Factory-Fitted Insulation: Expanded polystyrene reduces thermal bridging and enhances the energy efficiency of the building.