The Keystone Steel Lintel BOX/K-100 is a robust solution for your construction needs, expertly crafted from pre-galvanized steel to ensure lasting durability and strength. Its zinc grey finish not only adds a sleek aesthetic but also enhances corrosion resistance.

Designed with practicality in mind, this lintel features perforations along its length to provide a key for plaster, ensuring a seamless finish. Capable of bearing the full load of wet masonry immediately upon installation, it requires a minimum end bearing of 150mm on either side, bedded on mortar for optimal performance. Keystone lintels meet and exceed thermal performance standards across the UK, while also providing a reassuring one-hour fire resistance.

• Made from durable pre-galvanised steel for longevity.
• Perforations act as a plaster key for better adhesion.
• Designed to carry full load of wet masonry immediately.
• Minimum 150mm end bearing on each side is required.
• Recommended propping to facilitate construction speed.
• Meets UK thermal regulations and fire-tested for 1 hour.
• Comes in a sleek zinc grey colour for a modern finish.