Catnic Heavy Duty Cavity Wall Lintel CH50/125 1200mm

The Catnic Heavy Duty Cavity Wall Lintel CH50/125 at 1200mm length is a robust structural solution for builders and contractors working on cavity wall constructions. Engineered for inner leaf thicknesses from 125 to 140mm and cavity widths between 50 and 65mm, this lintel provides reliable support while minimising thermal bridging. Please note: dimensions relate to inner leaf and cavity sizes, ensuring correct fit for your project.

Application

Ideal for load-bearing openings in cavity walls, this heavy duty lintel supports brickwork or blockwork above windows and doors. The built-in damp proof course (DPC) eliminates the need for separate installation, saving time and reducing risk of moisture ingress. Its duplex corrosion protection guarantees longevity even in demanding site conditions, making it suitable for both new builds and refurbishment projects.

Dimension

• Length: 1200mm (1.2m / 47in)
• Inner leaf thickness: 125 - 140mm
• Cavity width: 50 - 65mm
• Outer leaf thickness: 100 - 105mm

Material

• Galvanised steel with duplex corrosion-resistant coating
• Integrated damp proof course (DPC) membrane

Type

• Heavy duty cavity wall lintel suitable for structural support

This lintel includes a built-in plaster key with staggered slots on the perforated steel baseplate, improving plaster adhesion and finishing quality. It is supplied ready to install, optimising on-site efficiency for trade professionals.