2700mm Catnic CG90/100 Cavity Wall Lintel

Catnic CG90/100 Cavity Wall Lintel 2700mm

The Catnic CG90/100 Cavity Wall Lintel 2700mm is a standard duty structural steel lintel designed to provide strong and reliable support over very wide openings in cavity wall construction. Engineered for use in walls with a 90mm–105mm cavity , this lintel offers dependable structural performance with thermal efficiency, making it suitable for larger residential and light commercial applications.

Manufactured from galvanised steel with a durable powder-coated finish, the Catnic CG90/100 lintel provides excellent resistance to corrosion and long-term performance in external environments. The open-back design allows continuous build-up of both inner and outer masonry leaves, delivering consistent load distribution and efficient installation on site.

An integrated insulation core minimises cold bridging across the cavity wall, improving thermal performance and helping align with modern energy efficiency standards. The lintel also features a built-in damp proof course (DPC) and an integral plaster key , reducing the need for additional materials and improving installation efficiency.

With an extended length of 2700mm , this lintel is particularly well-suited to applications such as wide patio doors, expansive window runs, or large multi-bay openings where robust support and thermal performance are both required.

Key Features

Catnic engineered steel cavity wall lintel for standard duty applications

Galvanised steel construction for strength and corrosion resistance

Powder-coated protective finish for long-term durability

Integrated insulation core to reduce cold bridging

Built-in damp proof course (DPC) and plaster key

Open-back profile allows continuous masonry leaf construction

Suitable for brickwork and blockwork cavity walls

Specifications (Standardised Format)

Product Name: Catnic CG90/100 Cavity Wall Lintel

Length: 2700mm

Cavity Width Compatibility: 90mm – 105mm

Material: Galvanised steel

Finish: Powder coated

Insulation: Integrated thermal insulation core

Profile Type: Open back cavity wall lintel

Built-in Features: Damp proof course (DPC) and plaster key

Application: Structural support over large door and window openings in cavity walls

Installation: Inner and outer leaf masonry construction

Standards Compliance: Designed for typical masonry loads in standard cavity wall construction

Applications

Wide residential window and patio door openings

Large cavity wall apertures in extensions and refurbishments

Multi-bay openings in housing developments

Light commercial wall spans