Birtley SB140HDX Extra Heavy Duty – Single Leaf Internal Wall Lintel

Loadbearing Walls – Internal block walls (plastered) 

Cavity: 140mm

Insulated version available.

Features  

Brand: Birtley
Generic Ref: SB140HDX
Product Range: Single Leaf Internal Walls
Product Type: Extra Heavy 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 Qty: 1
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)
Option 2: Add Insulation (INS)
Birtley
Lintel

Birtley SB140HDX Extra Heavy Duty – Single Leaf Internal Wall Lintel

Loadbearing Walls – Internal block walls (plastered) 

Cavity: 140mm

Insulated version available.

Features  

Brand: Birtley
Generic Ref: SB140HDX
Product Range: Single Leaf Internal Walls
Product Type: Extra Heavy 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 Qty: 1
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)
Option 2: Add Insulation (INS)
Birtley
Lintel
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Birtley SB140HDX Extra Heavy Duty – Single Leaf Internal Wall Lintel

£74.53
The Birtley SB140HDX is an extra heavy-duty lintel designed for 140mm single-leaf internal walls, offering superior protection and optional insulation.

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Birtley SB140HDX Extra Heavy Duty – Single Leaf Internal Wall Lintel

Loadbearing Walls – Internal block walls (plastered) 

Cavity: 140mm

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 a superior life expectancy
  • Post-fabrication galvanizing leaves no surface with inferior paint protection
Brand: Birtley
Generic Ref: SB140HDX
Product Range: Single Leaf Internal Walls
Product Type: Extra Heavy 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 Qty: 1
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)
Option 2: Add Insulation (INS)

Extra Heavy Duty Internal Wall Lintel


The Birtley SB140HDX is an extra heavy-duty lintel designed for single-leaf internal walls with a cavity of 140mm. It is suitable for load-bearing 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 5100mm

Features


- Supergalv coating offers superior life expectancy. - Post-fabrication galvanizing leaves no surface with inferior paint protection. - Structural grade steel to EN10025. - Optional insulation available.

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.