Lintel Type : Single Leaf Wall Lintels
Lintel Duty : Standard Duty
Birtley
Meter Box Lintel - 750mm Long
£15.83 (ex VAT)
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The Birtley Meter Box Lintel – 750mm (MBL0750) is a light-duty single-leaf steel lintel designed to support the outer leaf of a 100mm external masonry wall above a recessed meter box. Manufactured from structural-grade mild steel and hot-dip galvanised after fabrication with Birtley's Supergalv coating, it provides corrosion protection for external wall applications. The lintel features an outer-leaf rainwater drip and is intended for light-duty applications such as meter box openings. It must be installed with a cavity tray on external walls.
Meter Box Lintel at a Glance
Key Features
Designed for meter boxes
Supports the outer leaf of an external masonry wall above a recessed meter box.
Light-duty application
Birtley classifies the MBL as a light-duty lintel for applications such as meter boxes.
Supergalv hot-dip galvanising
Galvanised after fabrication to protect the steelwork, including cut edges and welds.
Structural-grade steel
Manufactured from S275JR mild steel to BS EN 10025-2.
Outer-leaf rainwater drip
Incorporates a rainwater drip feature to help manage water at the external face of the wall.
750mm length
A fixed 750mm length for suitable recessed meter box installations.
Product Specifications
| Manufacturer | Birtley |
|---|---|
| Product reference | MBL |
| Product code | MBL0750 |
| Lintel type | Light-duty single-leaf external wall lintel |
| Application | Outer leaf support above a recessed meter box |
| Wall / outer leaf | 100mm single-leaf masonry |
| Length | 750mm |
| Nominal profile height | 52mm |
| Published weight | 2.3kg per metre (manufacturer's 750–900mm length band) |
| Material | S275JR mild steel to BS EN 10025-2 |
| Finish | 65µm hot-dip galvanised Supergalv coating to BS EN ISO 1461 |
| External feature | Outer-leaf rainwater drip |
| Product standard | BS EN 845-2:2013+A1:2016 |
| Test standard | EN 846-9:2000/2016 |
| Installation | Fully bed on bricklaying mortar and use with a cavity tray on external walls |
Published Load Information
Birtley's MBL load table groups lengths into three bands. The 750mm lintel falls within the 750–900mm band:
| Length band | SWL | Weight | Height |
|---|---|---|---|
| 750–900mm | 2kN | 2.3kg/m | 52mm |
| 1050–1350mm | 4kN | 2.9kg/m | 87mm |
| 1500–2100mm | 5kN | 4.1kg/m | 92mm |
Installation Requirements
- Bed the lintel fully on bricklaying mortar.
- Use with a cavity tray on external walls.
- Ensure the lintel has suitable bearing at both ends and that the opening and supporting masonry match the manufacturer's details.
Coating and Alternative Finish Options
The standard MBL finish is Birtley's 65µm Supergalv hot-dip galvanising applied after fabrication. Birtley also lists Ultragalv 150µm coating and 304 stainless steel as alternative material options across its lintel range. Contact Wade to confirm availability and suitability for the particular meter box application.
Technical Information
For full product information, load data, dimensions and installation guidance, refer to Birtley's product guide or consult the technical team.
Frequently Asked Questions
What is the Birtley MBL meter box lintel designed for?
The MBL is a light-duty single-leaf lintel designed to support the outer leaf of a 100mm external masonry wall above a recessed meter box.
What length is this meter box lintel?
This Wade listing is for the 750mm length, product code MBL0750.
What is the published load rating?
Birtley publishes a 2kN Safe Working Load for the 750–900mm MBL length band. The manufacturer's declared loads assume uniformly distributed loading.
Does the meter box lintel need a cavity tray?
Yes. Birtley specifies that the MBL must be used with a cavity tray on external walls.
What coating does the MBL have?
It has a 65µm Supergalv hot-dip galvanised coating applied after fabrication.
Is the MBL suitable as a general-purpose cavity lintel?
No. Birtley classifies the MBL as a light-duty lintel for applications such as meter boxes. Choose a suitable cavity wall lintel for other openings and loading conditions.
Need Help Choosing the Right Lintel?
Contact Wade Building Supplies for help checking the meter box opening, wall construction and lintel specification.
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