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Description The Birtley HDX90/130 Extra Heavy Duty Cavity Wall Lintel is designed for wide inner leaf cavity walls, offering robust support for a cavity width of 90-105mm and an inner leaf of 125-140mm. It also accommodates a 100mm outer leaf. This lintel is ideal for heavy-duty structural applications, ensuring long-term durability and performance when installed with a solid, fully jointed blockwork infill to the inner leaf. Key Features: Supergalv Coating : Up to 50% more zinc protection for superior corrosion resistance. Complete Surface Protection : Post-fabrication galvanizing ensures no surface is left without full protection. Thermal Efficiency : Lack of baseplate and factory insulation reduces thermal bridging. High-Quality Material : Made from structural grade steel to EN10025 standards. Wide Inner Leaf Compatibility : Suits inner leaves between 125-140mm.