Birtley Supatherm ST110 Thermally Broken Cavity Lintel 1800mm

Birtley Supatherm ST110 Thermally Broken Cavity Wall Lintel — 110–125mm Cavity | 1800mm

The Birtley Supatherm ST110 (SKU: ST1101800) is a standard duty thermally broken cavity wall lintel designed for 110–125mm cavity construction. Delivering up to 80% reduction in heat loss compared with standard cavity wall lintels, the Supatherm range is engineered to help meet Part L Building Regulations and the Future Homes Standard without compromising structural performance.

At 1800mm in length and 21.36kg, the ST1101800 suits wider standard openings in domestic masonry construction and avoids the propping typically associated with single leaf lintels.

Note: Not suitable for point loads or concrete floors.

Key Features

• Up to 80% reduction in heat loss vs standard cavity wall lintels
• Thermally broken design — minimises cold bridging at the lintel position
• Supports compliance with Part L Building Regulations and the Future Homes Standard
• Suitable for all types of masonry and cavity wall construction
• Avoids propping associated with single leaf lintels
• Cavity width: 110–125mm
• Length: 1800mm | Weight: 21.36kg
• Manufactured by Birtley to BS EN 845-2 standards

Typical Applications

• Standard openings in cavity masonry wall construction with 110–125mm cavities
• New build residential projects targeting Part L and Future Homes Standard compliance
• Extensions and renovations requiring thermally efficient cavity lintels

Need help selecting the right Supatherm lintel? Contact our lintel experts for advice and nationwide kerbside delivery.