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Description The HDX150 is a heavy-duty steel lintel designed for cavity walls with a cavity size of 150-165mm, a 100mm outer leaf, and a 100mm inner leaf. It is engineered for extra strength and durability, making it suitable for load-bearing walls and other demanding construction projects. Key Features: Cavity Size: 150-165mm. Outer Leaf: 100mm. Inner Leaf: 100mm. Material: Structural-grade mild steel (S275JR to BS EN10025-2:2004). Supergalv Coating: This lintel is hot-dip galvanized after fabrication, offering up to 50% more zinc protection than other approved coatings. This process ensures superior life expectancy and corrosion resistance. Fire Resistance: Tested to BS 476-20:1987 for fire resistance. Post-Fabrication Galvanizing: Ensures that no surface is left with inferior paint protection, providing uniform protection and extended durability.