Birtley Medium Duty Cavity Wall Lintel 150mm MD150
Birtley Medium Duty Cavity Wall Lintel 150mm MD150 - 750mm is backordered and will ship as soon as it is back in stock.
Couldn't load collection availability
Delivery charges will vary depending on your location.
To find out delivery cost to your postcode, add the products your require to your basket and then review your basket, entering the delivery postcode
We look to dispatch all products same-day where possible, we use a close network of couriers we have worked alongside for a number of years and will share any and all shipping updates with you directly.
The Birtley Medium Duty Cavity Wall Lintel 150mm MD150 stands out with its Supergalv coating, offering unparalleled durability and protection against corrosion. Designed for cavity widths of 150-165mm with 100mm inner and outer leafs, this Birtley lintel ensures reliable structural support while reducing thermal bridging. Manufactured from high-strength mild steel and tested to BS 476-20:1987 for fire resistance, the MD150 is a robust, long-lasting solution for cavity wall construction.
Key Features
- Made in the UK with high-strength mild steel
- Post-fabrication galvanizing ensures superior protection
- Structural grade steel to EN10025
- Reduces thermal bridging for improved efficiency
- Fire-rated to 60 minutes with a plaster finish
- Perfect for 150-165mm cavity walls
- Available in span lengths from 750mm to 2700mm.

Built for Lasting Performance
Enhanced Energy Efficiency
Exceptional Strength and Compliance







