Single Leaf Steel Lintels

Single leaf external solid wall lintels are split into three types. MB (Meter Box), TR (Tray) and CH (Channel.) The MB type is generally specified for carrying masonry over the opening formed for a meter box and typically this would be in the outside leaf of an external cavity wall. The TR is very similar in its functionality. The CH type lintel is highly versatile and can be used in conjunction with a concrete lintel and as an alternative to a TF (timber frame) style lintel.

The single leaf lintel is easy to install and features the standard Stressline galvanised finish. These lintels are designed for 100mm or 102mm cavities. Please see our steel lintel load tables for more information.

All of our single leaf lintels are available at various lengths starting at 600mm and going up to 2100mm for the MB version, 3900mm for the TR type and 4800mm for the CH version (225). For more information on single leaf steel lintel sizes and prices please download the brochure section below. For the full brochure you can download it from our downloads page.

Stressline standard steel lintel


Stressline single leaf steel lintels are designed to support:

  • 100mm external leaf solid blockwork
  • 102mm external leaf brickwork

MB lintels are for meter box applications only. The choice between TR and CH type lintels would be dependent on the load to be carried with the CH having the higher capacity. Occasionally the CH will be used in a timber frame building where, for a particular opening, the normal TF lintel won’t take the required load.


Like all of our steel lintels, the single leaf types are easy to install.

They are suitable for faced brick or block walls.

They can also be manufactured with a SOL (short outer leaf) or a WOL (wide outer leaf) for a variety of applications and uses.

Single leaf steel lintel load span tables

To download our single leaf steel lintel load span tables, please click the button below. This brochure section has details of our single leaf lintels only. To download the full brochure, please navigate to our downloads page. For more information on our single leaf lintel prices, please download our price guide or contact your local ASM – you can see who that is on our ‘who to contact’ page or email us directly.