The Birtley 1200mm Cavity Wall Lintel CB50 is a robust and durable construction element that plays a crucial role in supporting masonry above openings such as doors and windows. Crafted by Birtley, this lintel is designed to span across cavities and bear the load of the wall, providing stability and strength to your construction project. With a length of 1200mm, its ideal for use in both residential and commercial structures. Its superior build quality ensures longevity and excellent performance even under extreme conditions.