Steel Lintel – Galvanised – Internal Structural Openings

Product Overview

The 1200mm Internal Wall Box Lintel is engineered for providing structural support for openings in 100mm internal walls. Formed from a strong box section, this lintel efficiently distributes masonry loads into the supporting structure while maintaining a lightweight profile for easy handling.

Features & Benefits

• Internal wall application: Designed specifically for 100mm single skin internal partitions.
• Load-bearing strength: Provides reliable support for standard door and opening spans.
• Compact box section: Strong yet lightweight, simplifying handling and installation.
• Durable construction: Manufactured to resist deformation and maintain performance.
• Practical span: 1200mm length suited to common internal door and window openings.

Applications

• Internal doorways: Provides reliable support for standard door openings.
• Medium-span openings: Suitable for internal walls in both homes and offices.
• Residential use: Commonly specified in houses, flats, and extensions.
• Commercial buildings: Applied to partition openings in offices and light-use commercial spaces.

Installation Guidance

• Bearing: Provide minimum 150mm end bearing on each side of the opening.
• Placement: Position level and fully bed in mortar for correct load transfer.
• Alignment: Ensure box lintel is correctly centred over the span.
• Protection: Avoid damage during handling and installation.
• Internal use only: Not designed for external or cavity wall applications.

Compliance & Performance

• Material: Steel box lintel construction.
• Design: For use in 100mm internal walls only.
• Durability: Suitable for internal environments, resistant to fire and wear.
• Standard: Manufactured in accordance with BS EN lintel specifications.
• Important note: Not suitable for external walls or cavity wall construction.

FAQs

• Can this lintel be used in external walls? No, it is designed for internal use only.
• What is the minimum end bearing required? A minimum of 150mm end bearing is needed on each side.
• Is this lintel fire-resistant? Yes, it is suitable for internal environments and resistant to fire.