The Keystone Cavity Lintel S/K-90 900mm is a high-quality structural element designed for use in masonry above window and door openings. Expertly engineered by Keystone, this lintel offers superior strength and durability. The product is made for standard duty loads and can sustain both cavity and masonry loads. With a length of 900mm, it provides ample support across various sizes of openings. Its galvanised steel construction ensures exceptional corrosion resistance, making it an excellent choice for your building needs.