Birtley HD90 Heavy Duty 100mm Cavity Lintel

The Birtley HD90 Heavy Duty 100mm Cavity Lintel is engineered for 90mm cavity walls, delivering robust structural support with enhanced thermal performance and durable protection for brickwork projects.

90mm Cavity Wall (Other Sizes Available): Designed for 90mm to 105mm cavity ranges to suit different wall constructions.

100mm Outer Leaf / 100mm Inner Leaf: Matches standard brickwork leaf dimensions for straightforward installation.

Coating: Hot Dip Galvanised with Zinc Protection (Super Galv coating) for superior corrosion resistance and a long service life.

Insulation: Factory Fitted insulation reduces thermal bridging by 55% to improve overall wall performance.

Baseplate: Lacks a baseplate, simplifying integration into brickwork.

Bed on Bricklaying Mortar: Bed fully on bricklaying mortar to ensure solid, stable seating.

Use with Cavity Tray: Should be used with a cavity tray to manage moisture and airflow effectively.

Plaster Key: Plaster key to inner leaf aids clean, accurate plaster finishes.

Material: Structural Grade Steel for strength and reliable load-bearing performance.

Durability: Durable construction designed for a long service life in external walls.

Datasheet: Download Birtley Cavity Lintel HD90 Datasheet

Support: Speak with our Lintel Technical Team for expert guidance during selection.

The HD90’s 55% reduction in thermal bridging and exclusive galvanising process translate to better energy efficiency and a longer-lasting finish. With a plaster key for a neat interior look, a sturdy 100mm leaf pairing, and installation-friendly features like mortar bedding and a cavity tray recommendation, this lintel is built to perform in demanding brickwork applications. For tailored advice on sizing and suitability, reach out to the Lintel Technical Team.