Birtley CB110 Cavity Wall Steel Lintel

The Birtley CB110 Cavity Wall Steel Lintel is a high-performance structural lintel designed to provide reliable load-bearing support over door and window openings in cavity wall construction. Manufactured by Birtley, one of the UK’s leading steel lintel specialists, the CB110 is engineered for heavier duty applications where increased strength and durability are required.

Designed to suit 100 mm inner leaf and 100 mm outer leaf masonry with a wider cavity, the CB110 steel lintel ensures effective load distribution across both leaves of the wall. Its galvanised steel construction offers excellent corrosion resistance, making it suitable for external wall use. Commonly specified for larger openings and higher load conditions, the CB110 is ideal for new-build housing, extensions and light commercial projects.

Key Features

• Birtley CB110 cavity wall steel lintel

• Designed for 100 mm inner leaf / 100 mm outer leaf masonry

• Suitable for wider cavity wall constructions

• Heavy-duty structural performance

• Galvanised steel for long-term corrosion resistance

• Provides reliable support over doors and windows

Typical Applications

• Door and window openings in cavity walls

• Brickwork and blockwork inner and outer leaves

• New-build housing and extensions

• Residential and light commercial construction

• Projects requiring higher load-bearing capacity

Performance & Workability

• Effectively distributes masonry loads across both wall leaves

• Designed for increased load conditions compared to standard duty lintels

• Compatible with standard masonry and mortar systems

• Straightforward installation using traditional construction methods

• Suitable for use in accordance with building regulations

Technical Specification

• Product Type: Steel Cavity Wall Lintel

• Manufacturer: Birtley

• Model: CB110

• Material: Galvanised Steel

• Inner Leaf Width: 100 mm

• Outer Leaf Width: 100 mm

• Application: Door and Window Openings

Why Choose the Birtley CB110 Steel Lintel?

The Birtley CB110 Cavity Wall Steel Lintel offers enhanced strength and durability for projects where standard duty lintels are not sufficient. Its robust design, corrosion-resistant finish and trusted Birtley quality make it a dependable choice for builders and contractors working on demanding cavity wall applications.