Birtley Heavy Duty Internal Wall Box Lintel SB100HD 750mm - 3600mm
Birtley Heavy Duty Internal Wall Box Lintel SB100HD 750mm - 3600mm - 750mm is backordered and will ship as soon as it is back in stock.






The Birtley Heavy Duty Internal Wall Box Lintel SB100HD is engineered for applications requiring significant load-bearing capacity within internal walls. Spanning lengths from 750mm to 3600mm, this lintel is made from hot-dip galvanised steel, ensuring enhanced corrosion resistance and long-term durability. Its box section design provides superior strength and stability, making it ideal for heavy-duty applications in both residential and commercial settings.
- Superior life expectancy due to the Supergalv coating.
- Galvanised post-fabrication for superior paint protection.
- Structural grade steel to EN10025.
- Fire rated to 60 minutes (with 2 coat plaster finish).
External Wall Lintel Load:
Length (mm) |
750- 1500 |
1650- 2700 |
2850- 3600 |
Load SWL/UDL value (kN) |
25 |
40 |
45 |
Weight (kg/m) |
6.7 |
10.8 |
15.1 |
Height (mm) |
142 |
215 |
215 |
Length (mm) |
3750- 4500 |
4650- 4800 |
4850- 5100 |
Load SWL/UDL value (kN) |
40 |
35 |
30 |
Weight (kg/m) |
18.5 |
18.5 |
18.5 |
Height (mm) |
290 |
290 |
290 |
Requirements for Installation:
This lintel must be bedded fully on bricklaying mortar and used with a cavity tray. The minimum end bearing for this lintel is 150mm.
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Size
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Thickness
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Length750mm, 900mm, 1050mm, 1200mm, 1350mm, 1500mm, 1650mm, 1800mm, 1950mm, 2100mm, 2250mm, 2400mm, 2550mm, 2700mm, 2850mm, 3000mm, 3300mm, 3600mm
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Width95mm
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Material
Large Order or Specific Requirement?
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0115 6976 800