STH150 2250mm Birtley Lintel

STH150 Birtley Supertherm Thermally Broken Cavity Wall Lintel

Product Overview:

The STH150 Birtley Lintel is part of the Supertherm range, designed for highly insulated cavity walls in external masonry construction. With its integrated thermal break, the STH150 significantly reduces thermal bridging at wall openings, helping projects meet demanding Part L Building Regulations and improve energy performance.

Ideal for use in domestic or light commercial buildings, this lintel combines structural strength with enhanced thermal efficiency.

Key Features & Benefits:

• Thermally broken to reduce cold bridging and condensation risk
• Designed for 150mm wide cavity walls
• Strong enough for standard and heavy-duty loading
• Improves SAP calculations and overall thermal performance
• Galvanised and powder-coated for long-term durability
• BBA Certified and conforms to BS EN 845-2

Technical Specifications:

• Manufacturer: Birtley
• Product Code: STH150
• Cavity Width: 150mm
• Thermal Break: Integrated insulation barrier
• Material: Galvanised steel with powder-coated finish
• Standard: BS EN 845-2 / BBA Certified
• Applications: External cavity walls
• Length Range: Multiple lengths available to suit different openings
• Installation: Minimum 150mm end bearing each side

Applications:

• Cavity walls in housing and low-rise buildings
• Openings in external walls where insulation and regulation compliance is key
• Suitable for new build and extension work

Available for delivery via HI-AB or collection from our Bradford branch

For stock, sizing or technical advice, call us on 01274 720227

Or email [email protected]