Steel Lintels

Stressline’s in-house technical and manufacturing departments have worked hard to deliver an extended range of steel lintels.

At Stressline, we provide customers with the widest range of steel lintels available in the UK; a range that includes cavity wall: standard leaf lintels, wide outer and wide inner leaf lintels, and short outer leaf lintels. The range also includes rolled steel section lintels, closed eave and timber frame lintels, single leaf external solid wall lintels, internal solid wall and external solid wall lintels.

For more information on each item, please see the information below, and don’t forget to download our latest brochure, on the downloads page.

Standard
Leaf

Available in cavity sizes of 50, 70, 90, 110, 130 and 150mm.

APPLICATION
Standard and Heavy Duty (HD and HDX)
Designed to support:
• Masonry loads
• Masonry loads and uniformly distributed timber floor loads
• Uniformly distributed roof loads (in most cases HD lintel type is required)

Extra Heavy Duty (XHD) and Composite Extra
Heavy Duty (CXHD)
Designed to support:
• Concrete floor loads
• Attic truss loads
• Point loads: compound trusses, steel beams, etc

Wide Inner
Leaf (WIL)

Available in cavity sizes of 50, 70, 90, 110, 130 and 150mm.

APPLICATION
These lintels are suitable to support a 125-150mm inner leaf of blockwork.
Standard (WIL) and Heavy Duty (HD WIL and HDX WIL)
Designed to support:
• Masonry loads
• Masonry loads and uniformly distributed timber floor loads
• Uniformly distributed roof loads (in most cases HD lintel type is required)

Extra Heavy Duty (XHD WIL) and Composite Extra
Heavy Duty (CXHD WIL)
Designed to support:
• Concrete floor loads
• Attic truss loads
• Point loads: compound trusses, steel beams, etc

Wide Outer
Leaf (WOL)

Available in cavity sizes of 50, 70, 90, 110, 130 and 150mm.

APPLICATION
These lintels are suitable to support a 125-150mm outer leaf of blockwork or stonework.
Standard (WOL) and Heavy Duty (HD WOL and HDX WOL)
Designed to support:
• Masonry loads
• Masonry loads and uniformly distributed timber floor loads
• Uniformly distributed roof loads (in most cases HD lintel type is required)

Extra Heavy Duty (XHD WOL) and Composite
Extra Heavy Duty (CXHD WOL)
Designed to support:
• Concrete floor loads
• Attic truss loads
• Point loads: compound trusses, steel beams, etc

Short Outer
Leaf (SOL)

Available in cavity sizes of 50, 70, 90, 110, 130 and 150mm.

APPLICATION
These lintels are suitable to support a 75mm outer leaf of cant brick or 100mm wide decorative head detail. Lintels are available in all profiles for a variety of cavity wall constructions from 50mm to 150mm; please ask our sales office for availability and prices for specific applications.
Standard (SOL) and Heavy Duty (HD SOL and HDX SOL)
These lintels are designed to support:
• Masonry loads
• Masonry loads and uniformly distributed timber floor loads
• Uniformly distributed roof loads (in most cases HD lintel type is required)

Extra Heavy Duty (XHD SOL) and Composite Extra
Heavy Duty (CXHD SOL)
These lintels are designed to support:
• Concrete floor loads
• Attic truss loads
• Point loads: compound trusses, steel beams, etc.

Rolled Steel
Sections

Available in cavity sizes of 50, 70, 90, 110, 130 and 150mm.

APPLICATION
Rolled Steel (RS) and Rolled Steel Channel (RSC) fabricated lintels are designed for extreme loading conditions:
• Masonry loads
• Concrete floor loads
• Attic truss loads
• Point loads: compound trusses, steel beams, etc

FINISHING
Lintels are coated as standard in a red-oxide paint. However, they can be supplied, at extra cost, with a galvanised finish.

Closed
Eaves

Available in cavity sizes of 50, 90, and 130mm.

APPLICATION
Open Back Lintel (E)
Designed to support:
• Standard truss roof loads

Heavy Duty Box Section Lintel (E HD and E XHD)
Designed to support:
• Attic trusses
• Compound trusses

Timber
Frame

Available in cavity sizes of 50, 70, and 90mm.

APPLICATION
Timber Frame Lintels (TF) are designed for use in timber frame construction and are intended to support the outer leaf of masonry only, generally brickwork.

Single Leaf
Ext Solid Wall

APPLICATION
Meter Box (MB), Tray (TR) and Channel (CH)
Designed to support:
• 100mm external leaf solid blockwork
• 102mm external leaf brickwork
• 140mm external leaf solid blockwork
(MB WOL, TR WOL and/or CH WOL)

Internal
Solid Wall

Available in cavity sizes of 100 and 140mm.

APPLICATION
Galvanised steel box lintels are designed for use in internal 75mm, 100mm wide or 140-150mm wide, non-load bearing and load bearing walls.
Designed to support:
• Concrete floor loads
• Masonry loads, timber floor joists and/or roof trusses
• Attic truss loads
• Point loads: compound trusses, steel beams, etc

External
Solid Wall

APPLICATION
Galvanised steel box lintels are designed for use in 200-215mm solid walls and are available in three different designs: box with a lip/toe (SL200 BOX), inverted ‘T’ section (SL200 T) or back to back channel (SL200 CH).
Designed to support:
• Concrete floor loads
• Tile hanging
• Masonry loads
• Timber floor joists
• Attic truss loads and/or roof trusses
• Point loads: compound trusses, steel beams, etc
• SL200 BOX is designed to support 19:1 load ratio
• SL200 CH and SL200 ‘T’ are designed to support 1:1 load ratio
Steel box lintels can be fully insulated at an additional cost.

Special
Lintels

APPLICATION
Stressline Special Lintels are designed and manufactured to suit the most innovative of window designs and styles including:
• Semi-circular arch
• Segmental arch
• Parabolic arch
• Gothic arch
• Venetian arch
• Apex lintel
• Corner lintel
• Splayed bay lintel
• Square bay lintels
The lead time for these items are typically 2-3 weeks.
 

FAQs

Stressline has an on-going commitment to improving both product and management systems:
  • BSI Quality Assurance Accreditation to ISO 9001
  • BS EN ISO 9001
All of our products are delivered on flat bed articulated or rigid lorries, with the option of either self offload or crane offload. Steel lintels can be packaged in stock packs or consignment loads.
The standard lead time is 3-8 working days for most areas of the UK.
Yes you can, however you must ensure you adhere to our requirements for collect orders. For more information you can download the collect orders PDF from the downloads page. The lead time for collect orders is 24 hours.
Yes we do. Our comprehensive steel price guide is downloadable from the downloads page.
Stressline standard galvanised steel lintels are manufactured from DX51D grade steel to BS EN 10346:2006, with a zinc coating type Z600, giving a minimum zinc coating of 600g/m² per two sides. All cut edges are treated with corrosion resistant paint. RS and RSC lintels are manufactured with a 6mm welded bottom plate to BS EN 10025 – 2: 2004 of steel grade S275.
The loadings published in the load-span tables were achieved in accordance with BS EN 845-2 and tested in accordance with BS EN 846-9. Stated figures represent the Total Serviceable Uniform Distributed Load (UDL) in kN. ‘CXHD’ and ‘CH’ type lintels have been tested compositely in accordance with BS EN 846-9 with the surrounding masonry built in accordance with BS 5628. The structural performance of our lintels is supported by continuous in-house testing.
Yes, we do but please contact our technical department for more information – technical@stressline.net. Alternatively, download the brochure for more information about installation.
We produce, sell and deliver a variety of structural building products including concrete lintels, flooring products, walling and fencing, cast stone and precast sections. You can find more information on the relevant section of the website.
Our lintel guide is the definitive guide to all things lintel – steel and concrete including the load spans. Simply go to the downloads page to download the latest brochure.