Concrete Lintel – Prestressed – Residential & Commercial Use

Product Overview

The high-performance 100mm wide x 140mm high prestressed concrete lintel is designed for standard blockwork openings with a 1200mm length. It is crafted from high-strength concrete and reinforced with prestressed steel wires, providing reliable structural support for brickwork above doors and windows.

The textured finish enhances mortar adhesion, ensuring secure bonding with surrounding masonry. Prestressing technology boosts load-bearing capacity while maintaining compact dimensions, making it ideal for light to medium-duty applications. Produced to consistent standards, this lintel offers durability against weathering and corrosion, ensuring long service life with minimal maintenance once installed.

At 1200mm, the lintel is suitable for typical domestic window and door spans in 100mm blockwork, offering strength and long-term reliability. It provides a safe, economical, and durable solution for supporting masonry loads in residential construction.

Features & Benefits

• High-strength construction: Manufactured from dense, durable concrete reinforced with prestressed steel wires.
• Improved bond: Textured finish enhances mortar adhesion for secure placement.
• Durable performance: Resistant to fire, rot, and corrosion for long-term reliability.
• Wide section: 100mm width and 140mm height providing capacity for medium to heavy blockwork loads.
• Standard application: 1200mm length suited to common domestic window and door openings.

Applications

• Standard doors: Provides structural support for blockwork above common door openings.
• Windows: Ensures reliable performance across typical domestic window spans.
• Residential builds: Widely used in homes built with 100mm blockwork walls.
• Medium-duty spans: Delivers dependable strength for everyday construction needs.

Installation Guidance

• Support requirements: Ensure a minimum bearing of 150mm at each end of the lintel.
• Placement: Position level and central over the span with full mortar bedding.
• Handling: Lift carefully using safe manual or mechanical methods; avoid impact damage.
• Compatibility: Use with standard brick or block masonry and ensure adequate cover with mortar.
• Protection: Protect from site damage and ensure proper curing in exposed conditions.

• Material: Dense concrete reinforced with prestressed steel wires.
• Finish: Textured surface for mortar adhesion.
• Load capacity: Designed for medium to heavy blockwork loads.

Frequently Asked Questions

• Q: What is the minimum bearing required?
  A: A minimum bearing of 150mm at each end is required.
• Q: Is this lintel suitable for exterior use?
  A: Yes, it is resistant to weathering and corrosion.
• Q: Can this lintel be used in commercial buildings?
  A: It is primarily designed for residential use but may be suitable for light commercial applications.