
Original: $137.50
-70%$137.50
$41.25The Story
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.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
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.






















