STH150 1500mm Birtley Lintel

STH150 Birtley SuperTherm Thermally Broken Cavity Wall Lintel – 150mm Cavity

Product Description:

The STH150 SuperTherm Lintel from Birtley is a thermally broken cavity wall lintel designed for 150mm cavity constructions. Manufactured from high-strength steel with an integrated thermal break, this lintel improves energy efficiency by reducing heat loss and cold bridging — ideal for projects that must meet or exceed current Part L Building Regulations.

Features & Benefits:

• Thermally broken design to reduce cold bridging and heat loss
• Suitable for 150mm cavity wall construction
• Enhances SAP ratings and helps meet low-U-value targets
• Galvanized for long-term corrosion protection
• Complies with Part L of Building Regulations
• High load-bearing capacity with improved thermal performance

Applications:

• External cavity wall construction (150mm cavity)
• New builds and energy-efficient projects
• Ideal for residential and commercial buildings focused on thermal performance
• Window and door openings in cavity wall systems

Technical Specifications:

• Product: STH150 SuperTherm
• Manufacturer: Birtley
• Cavity width: 150mm
• Construction: Dual leaf (internal and external)
• Material: Hot-dip galvanized steel with integrated thermal break
• Compliance: BS EN 845-2
• Fire rating: Available upon request
• Load/span performance: Manufacturer data available

Additional Information:

Available in a wide range of lengths – please enquire for availability

Technical support and full load span tables available

Delivery via HI-AB or collection from our Bradford branch

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