Birtley 3600mm Cavity Wall Lintel CB70
- Birtley CB70 cavity wall lintel, 3600mm (11ft 10in) length for robust support
- Designed for 70mm to 85mm cavity walls with 100mm inner and outer leaf thickness
- Hot-dip galvanised after fabrication for enhanced corrosion resistance, with Supergalv coating for extended life
- Factory-fitted insulation and no baseplate reduce thermal bridging on site
- Not suitable for point load applications or concrete floor support
The Birtley 3600mm Cavity Wall Lintel CB70 is a reliable steel lintel designed specifically for cavity wall constructions with a 70mm to 85mm cavity. Ideal for builders, bricklayers and site managers, this lintel provides strong, durable support for the outer leaf above openings such as doors and windows. Please note, this lintel is not suitable for point loads or concrete floor support.
Application
This lintel is intended to carry the weight of the outer leaf of cavity walls, typically used in standard house builds or structural extensions. It’s placed on a mortar bed over blockwork and supports brickwork above openings, ensuring structural integrity and preventing sagging. The product’s design includes factory-fitted insulation and no baseplate to minimise thermal bridging, helping maintain site build quality and compliance with building regulations.
Dimension
- Overall length: 3600mm (11ft 10in)
- Inner leaf thickness: 100mm
- Outer leaf thickness: 100mm
Material
- Hot-dip galvanised steel with Supergalv coating for superior corrosion resistance
- Factory-fitted insulation to reduce thermal bridging
Type
- Cavity wall steel lintel
Delivery
Important: The following delivery information applies only to orders placed online.
Delivery Times
When placing your order, you will be able to view available delivery times at the checkout.
Please note: while we aim to deliver within 2–3 business days, this is subject to stock availability. A member of our team will be in touch after you place your order to confirm your delivery date.
Click & Collect is also available from selected branches. However, please be aware that stock levels can fluctuate, so we’ll confirm product availability and collection timing once your order is placed.
Delivery Charges
Orders over £150 ex VAT within our local delivery area qualify for free delivery. This excludes palletised or specialist products.
For orders under £150 ex VAT, standard delivery is £10 plus VAT. Certain products have specific delivery costs:
- Civil Engineering products: £20 + VAT.
- Roofing Tiles under £249.99 ex VAT: £60 + VAT.
Delivery charges and policies may vary at the discretion of our branches, and we reserve the right to amend them as required.
We offer a variety of delivery options to meet your needs nationwide, including pallet shipping (subject to size and weight restrictions), site delivery, and same-day or next-day delivery via TradeKart (available in selected postcodes).
Delivery charges are calculated based on your location, the products ordered, and your selected delivery method. Final costs will be displayed at checkout. If you have specific delivery requirements, please contact your local branch via our Branch Finder.
For any delivery-related enquiries, please email our sales team at websales@lordsbm.co.uk.