Heritage lead-covered steel glazing bars are made from galvanised mild steel with a seamless lead extrusion and twin-wing weathering system, designed for glass roof systems in historic and listed buildings. Suitable for single, double or triple glazing, these bars combine traditional Victorian-era design with modern performance and are compatible with glass or polycarbonate panels.

  • Glazing bar system for glass roofs in historic and listed buildings

  • Made from galvanised steel core with seamless lead cover

  • Supports single, double or triple glazing options

  • Hermetically-sealed lead ends and cast brass fixings

  • Meets BS 5516:2004 standards for sloped and vertical glazing

  • Compatible with opening vents, skylights, canopies and walkways

  • Superior thermal properties to reduce heat loss

  • Heavier and more rigid than aluminium alternatives

Applications

  • Restoration of Grade I and Grade II listed buildings

  • Prestige new-builds requiring traditional aesthetics

  • Conservatory roofs

  • Canopies and walkways

  • Bespoke architectural glazing

  • Skylights and roof glazing

Dimensions

Bar depth 53mm

Performance

Plastic modulus 4189mm³

Roof span (double glazing) 1350–3270mm

Roof span (single glazing) 1430–3570mm

Canopy glazing span 1540–2800mm

Materials

Galvanised mild steel core

Seamless lead extrusion

Cast brass fixings

Options and variations

Single, double or triple glazed units

Compatible with glass or polycarbonate infill panels

Manufacture

Produced in-house using original heavy-duty rolling equipment

Accreditations

Complies with BS 5516:2004 for sloped and vertical glazing