Birtley CB90 Cavity Lintel 3300mm

Birtley CB90 Standard Duty Cavity Wall Lintel - 3300mm

The Birtley CB90 is a standard duty steel cavity wall lintel for 90-105mm cavities with 100mm inner and outer leaves. This 3300mm length is 197mm high and 280mm wide, made from 2.8mm gauge S275JR mild steel and hot-dip galvanised to 65 microns, with factory-fitted expanded polystyrene insulation.

It carries a load capacity of 26kN and must be fully bedded on bricklaying mortar with a minimum end bearing of 150mm. It is used with a cavity tray in external walls and is not for point loads or concrete floors. Used for door and window openings in masonry cavity walls where an insulated steel lintel is required.

Specifications

Type: Standard duty cavity wall lintel
Brand: Birtley
Length: 3300mm
Height: 197mm
Width: 280mm
Cavity Width: 90-105mm
Inner and Outer Leaf: 100mm
Gauge: 2.8mm
Material: S275JR mild steel
Finish: 65 micron hot-dip galvanised
Insulation: Factory-fitted expanded polystyrene
Load Capacity: 26kN
Fire Rating: 60 minutes with 2-coat plaster finish
Weight: 47.5kg

Key Features

• For 90-105mm cavity walls
• 100mm inner and outer leaves
• 26kN load capacity at 3300mm
• Hot-dip galvanised mild steel
• Factory-fitted EPS insulation
• Minimum 150mm end bearing
• 60 minute fire rating with 2-coat plaster
• Use with a cavity tray in external walls