Birtley Heavy Duty Steel Cavity Wall Lintel 1800mm x 231mm - HD90

The HD90 Cavity Wall Lintel is designed for heavy-duty use in cavity walls with a cavity width of 90-105mm and 100mm inner and outer leaves. This lintel is essential for installations where solid, fully jointed blockwork infill to the inner leaf is required. Its hot-dip galvanizing after fabrication provides superior corrosion protection, making it an ideal choice for durability and longevity in construction. With superior thermal performance, the HD90 offers substantial improvements in reducing thermal bridging. Key Features : Cavity Width: 90-105mm, suitable for both inner and outer leaves of 100mm. Solid Blockwork Infill Requirement: Must have solid, fully jointed blockwork infill to the inner leaf. Supergalv Coating: Provides superior life expectancy with up to 50% more zinc protection compared to other coatings. Thermal Performance: Offers up to 55% improvement on SAP default values in thermal bridging, enhancing energy efficiency. Durable Material: Made from mild steel S275JR to BS EN10025-2:2004 for structural strength and longevity. Fire Rating: Provides 60 minutes of fire resistance with a two-coat plaster finish.