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This Birtley Extra Heavy Duty Steel Cavity Wall Lintel 4800mm x 231mm - HDX70/130 is a popular option in the DIY category.
👉 View Deal on Building MaterialsThe HDX70/130 lintel is designed for cavity walls with a wide cavity (70-85mm), a wide inner leaf (125-140mm), and a standard outer leaf (100mm). It is ideal for extra heavy-duty applications, offering robust support while minimizing thermal bridging due to its design without a baseplate. Key Features: Cavity Size: 70-85mm. Outer Leaf: 100mm. Inner Leaf: 125-140mm wide. Material: Structural grade steel (S275JR to EN10025-2:2004). Supergalv Coating: Provides superior life expectancy with a 65µm hot dip galvanized finish, compliant with BS EN ISO 1461:2009. Lack of Baseplate: Reduces thermal bridging and improves the overall thermal performance. Fire Resistance: Tested to BS 476-20:1987 with a fire rating of 60 minutes (with 2-coat plaster finish).