Description
The Birtley CB70HD is a standard/medium-duty steel cavity wall lintel designed for applications with a cavity size of 70-85mm, and both the inner and outer leaf at 100mm thick. This lintel is not suitable for point loads or concrete floors, but offers robust support for standard masonry construction with long-lasting corrosion protection due to its Supergalv coating.
Key Features:
- Application: Designed for cavity walls with a cavity size of 70-85mm, and both inner and outer leaves measuring 100mm.
- Supergalv Coating: Post-fabrication hot-dip galvanizing provides up to 50% more zinc protection than conventional methods, ensuring extended durability.
- Material: Made from Mild Steel S275JR according to BS EN10025-2:2004 for structural integrity.
- Fire Rating: Provides 60 minutes of fire resistance when finished with a two-coat plaster system.