Birtley Single Leaf Internal Wall Lintels 140mm SB140

Loadbearing Walls

Cavity: 140mm – Internal block wall (plastered) 

Insulated version available.

Features  

Product Attributes:

Brand: Birtley
Generic Ref: SB140
Product Range: Single Leaf Internal Walls
Product Type: Standard Duty Internal Wall Box Lintel - 140mm Block
European Standard/ETA: BS EN845-2:2013+A1:2016
Test Standard: EN846-9:2000/2016
Notified Body: Lucideon Ltd (NB 1289)
Material: Mild Steel S275JR to BS EN10025-2:2004
Coating/Finish/Colour: 65µm Hot Dip Galvanized to BS EN ISO 1461:2009
Thermal Performance: Contact us for information
Insulation: OPTIONAL - Expanded Polystyrene - BREEAM rating A+
Fire Rating: 60 mins (with 2 coat plaster finish)

1. Installation requirement: Bed fully on bricklaying mortar
2. Installation requirement: Must be used with a cavity tray - External walls only
3. Installation requirement: 150mm Minimum end bearing

Sales Qty1
Packaging weight: 0
1. Features: Supergalv coating offers superior life expectancy
2. Features: Post-fabrication galvanizing leaves no surface with inferior paint protection
3. Features: Structural grade steel to EN10025
Option 1: Alternative material options: Ultragalv coating (150µm), Stainless Steel 1.4301 (304)

Length L (kN) W (kg/m) H (mm)
750-1500 15 4.9 76
1650-1800 20 6.7 142
1950-2700 20 8.3 144
2850-3600 25 10.8 215
3750-4500 30 13 215
4650-4800 28 13 215

 

For a wide selection of Birtley Steel Lintels, click here.

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Birtley

Birtley Single Leaf Internal Wall Lintel 140mm SB140

£40.00
The Birtley SB140 is a standard-duty lintel designed for 140mm single-leaf internal walls, offering superior protection and optional insulation.

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Birtley Single Leaf Internal Wall Lintels 140mm SB140

Loadbearing Walls

Cavity: 140mm – Internal block wall (plastered) 

Insulated version available.

Features  

  • We are the only lintel manufacturer to hot-dip galvanize after fabrication providing up to 50% more zinc protection than other approved coatings
  • Supergalv coating offers superior life expectancy
  • Post-fabrication galvanizing leaves no surface with inferior paint protection
  • Available in span lengths from 750mm to 4800mm.
  • Structural grade steel to EN10025

Product Attributes:

Brand: Birtley
Generic Ref: SB140
Product Range: Single Leaf Internal Walls
Product Type: Standard Duty Internal Wall Box Lintel - 140mm Block
European Standard/ETA: BS EN845-2:2013+A1:2016
Test Standard: EN846-9:2000/2016
Notified Body: Lucideon Ltd (NB 1289)
Material: Mild Steel S275JR to BS EN10025-2:2004
Coating/Finish/Colour: 65µm Hot Dip Galvanized to BS EN ISO 1461:2009
Thermal Performance: Contact us for information
Insulation: OPTIONAL - Expanded Polystyrene - BREEAM rating A+
Fire Rating: 60 mins (with 2 coat plaster finish)

1. Installation requirement: Bed fully on bricklaying mortar
2. Installation requirement: Must be used with a cavity tray - External walls only
3. Installation requirement: 150mm Minimum end bearing

Sales Qty1
Packaging weight: 0
1. Features: Supergalv coating offers superior life expectancy
2. Features: Post-fabrication galvanizing leaves no surface with inferior paint protection
3. Features: Structural grade steel to EN10025
Option 1: Alternative material options: Ultragalv coating (150µm), Stainless Steel 1.4301 (304)

Length L (kN) W (kg/m) H (mm)
750-1500 15 4.9 76
1650-1800 20 6.7 142
1950-2700 20 8.3 144
2850-3600 25 10.8 215
3750-4500 30 13 215
4650-4800 28 13 215

 

For a wide selection of Birtley Steel Lintels, click here.

Description

Birtley Single Leaf Internal Wall Lintels 140mm SB140

Loadbearing Walls

Cavity: 140mm – Internal block wall (plastered) 

Insulated version available.

Features  

  • We are the only lintel manufacturer to hot-dip galvanize after fabrication providing up to 50% more zinc protection than other approved coatings
  • Supergalv coating offers superior life expectancy
  • Post-fabrication galvanizing leaves no surface with inferior paint protection
  • Available in span lengths from 750mm to 4800mm.
  • Structural grade steel to EN10025

Product Attributes:

Brand: Birtley
Generic Ref: SB140
Product Range: Single Leaf Internal Walls
Product Type: Standard Duty Internal Wall Box Lintel - 140mm Block
European Standard/ETA: BS EN845-2:2013+A1:2016
Test Standard: EN846-9:2000/2016
Notified Body: Lucideon Ltd (NB 1289)
Material: Mild Steel S275JR to BS EN10025-2:2004
Coating/Finish/Colour: 65µm Hot Dip Galvanized to BS EN ISO 1461:2009
Thermal Performance: Contact us for information
Insulation: OPTIONAL - Expanded Polystyrene - BREEAM rating A+
Fire Rating: 60 mins (with 2 coat plaster finish)

1. Installation requirement: Bed fully on bricklaying mortar
2. Installation requirement: Must be used with a cavity tray - External walls only
3. Installation requirement: 150mm Minimum end bearing

Sales Qty1
Packaging weight: 0
1. Features: Supergalv coating offers superior life expectancy
2. Features: Post-fabrication galvanizing leaves no surface with inferior paint protection
3. Features: Structural grade steel to EN10025
Option 1: Alternative material options: Ultragalv coating (150µm), Stainless Steel 1.4301 (304)

Length L (kN) W (kg/m) H (mm)
750-1500 15 4.9 76
1650-1800 20 6.7 142
1950-2700 20 8.3 144
2850-3600 25 10.8 215
3750-4500 30 13 215
4650-4800 28 13 215

 

For a wide selection of Birtley Steel Lintels, click here.

Payment & Security

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Standard Duty Internal Wall Lintel

The Birtley SB140 is a standard-duty lintel designed for single-leaf internal walls with a cavity of 140mm. It is suitable for internal block walls that are plastered.
This lintel is hot-dip galvanized after fabrication, providing up to 50% more zinc protection than other approved coatings. It offers the option for insulation and is rated for 60 minutes of fire resistance with a two-coat plaster finish.

Technical Specifications

- Cavity Width: 140mm - Material: Mild Steel S275JR to BS EN10025-2:2004 - Coating: 65µm Hot Dip Galvanized to BS EN ISO 1461:2009 - Fire Rating: 60 minutes (with 2 coat plaster finish) - Length Options: 750mm to 4800mm

Features

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Installation Requirements

- Must be bedded fully on bricklaying mortar. - Suitable for internal block walls (plastered). - Requires a minimum end bearing of 150mm.

Why Choose Birtley?

Birtley lintels are known for their durability and superior protection against corrosion. Our post-fabrication galvanizing process ensures that every surface is protected, providing a longer lifespan for your construction projects.

Have a question?

If you have any questions about our products or would like to learn more about our shipping options please feel free to contact one of our team today.

Contact Us
Birtley Single Leaf Internal Wall Lintel 140mm SB140 - Armstrong Cheshire
Birtley

Birtley Single Leaf Internal Wall Lintel 140mm SB140

From £40.00

Birtley Single Leaf Internal Wall Lintels 140mm SB140

Loadbearing Walls

Cavity: 140mm – Internal block wall (plastered) 

Insulated version available.

Features  

Product Attributes:

Brand: Birtley
Generic Ref: SB140
Product Range: Single Leaf Internal Walls
Product Type: Standard Duty Internal Wall Box Lintel - 140mm Block
European Standard/ETA: BS EN845-2:2013+A1:2016
Test Standard: EN846-9:2000/2016
Notified Body: Lucideon Ltd (NB 1289)
Material: Mild Steel S275JR to BS EN10025-2:2004
Coating/Finish/Colour: 65µm Hot Dip Galvanized to BS EN ISO 1461:2009
Thermal Performance: Contact us for information
Insulation: OPTIONAL - Expanded Polystyrene - BREEAM rating A+
Fire Rating: 60 mins (with 2 coat plaster finish)

1. Installation requirement: Bed fully on bricklaying mortar
2. Installation requirement: Must be used with a cavity tray - External walls only
3. Installation requirement: 150mm Minimum end bearing

Sales Qty1
Packaging weight: 0
1. Features: Supergalv coating offers superior life expectancy
2. Features: Post-fabrication galvanizing leaves no surface with inferior paint protection
3. Features: Structural grade steel to EN10025
Option 1: Alternative material options: Ultragalv coating (150µm), Stainless Steel 1.4301 (304)

Length L (kN) W (kg/m) H (mm)
750-1500 15 4.9 76
1650-1800 20 6.7 142
1950-2700 20 8.3 144
2850-3600 25 10.8 215
3750-4500 30 13 215
4650-4800 28 13 215

 

For a wide selection of Birtley Steel Lintels, click here.

Size

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  • 2100mm
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  • 2700mm
  • 2850mm
  • 3000mm
  • 3300mm
  • 3600mm
  • 3900mm
  • 4200mm
  • 4500mm
  • 4800mm
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