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Birtley  |  SKU: BIRSB100HD/750

Birtley Heavy Duty Internal Wall Box Lintel SB100HD 750mm - 3600mm

Length

£36.66 Ex VAT
£43.99 Inc VAT
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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. 

  • Size
    750mm-3600mm
  • Thickness
    142mm / 215mm / 290mm
  • Length
    750mm, 900mm, 1050mm, 1200mm, 1350mm, 1500mm, 1650mm, 1800mm, 1950mm, 2100mm, 2250mm, 2400mm, 2550mm, 2700mm, 2850mm, 3000mm, 3300mm, 3600mm
  • Width
    95mm
  • Material
    Galvanised Steel
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