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Lonsdale Metal Company - Architectural Glazing

Glazing Bars - Glass Roof Lanterns - Roof Light - Skylights

Lonsdale Metal Company Ltd have specialised in the manufacture & supply only of Patent Glazing Bars & Roof Glazing Systems since 1946. Successful rooflights, skylights, canopies & roof lanterns have been installed at some of the UK's most important & historic buildings and routinely feature in commercial sloped glazing, rail regeneration projects, industrial roof glazing, commercial & domestic conservatories. Please click on the link below pertinent to you and discover why Lonsdale patent glazing is the preferred choice of other professionals within your industry.


SkyGard Patent Glazing Bars

SkyGard is the latest development of the original Lonsdale Metal patent glazing bar first introduced over fifty years ago. Maintaining all of the benefits of traditional patent glazing, SkyGard patent glazing bars utilise modern technology to beat all others in terms of weathering performance and value for money.

  • Quick and easy to fit continuous pressure beads
  • Traditional "T" bar appearance
  • 6/7mm single glazing or 24mm double glazing
  • Economy without sacrifice to quality or performance
  • No-nonsense easy to follow installation details

ThermGard Patent Glazing Bar

ThermGard patent glazing bars, Lonsdale's answer to achieving thermal break roof glazing, the slim internal box design provides elegant and clean lines to any structure. ThermGard combines curtain wall style appearance with the rapid installation advantage of traditional two-edge support glazing.

  • Thermal break design
  • Ventilated internal box-rafter design to minimise the risk of condensation
  • Choice of box-rafters to suit short or long spans
  • Neat continuous pressure plates and snap on covers providing invisible fixings and low profile appearance
  • Optional period timber style aluminium box-rafter and capping for heritage buildings

PlasGard Glazing Bar

PlasGard offers a range of patent glazing bars and accessories to suit solid and multiwall polycarbonates and plastics. Approved by major sheeting manufacturers, PlasGard incorporates the essential design features recommended for two edge support glazing. PlasGard also offers an economical 'capped' bar alternative to SkyGard for single or double glazing with glass.

  • Screw down aluminium cappings to safely clamp the sheeting
  • Quick and easy to use
  • Economy without sacrifice to quality or performance
  • Gaskets compatible with polycarbonate
  • Optional PVC-U cladding for thermal enhancement

SpanGard Patent Glazing Bar

SpanGard Patent Glazing Bars, the self supporting structure with a proven track record, allowing maximum light penetration and high performance weathering. Attention to detail and quality manufacturing ensures a neat slim-line appearance providing a strong, durable product giving many years good service. The sophisticated SpanGard remains unequalled in terms of value for money and performance.

  • Each order individually "built" on computer software before manufacture to ensure accuracy
  • The widest range of shapes and sizes with no length restrictions
  • Up to 6 metres wide by infinite length
  • No additional structural supports or steelwork required
  • Box-rafter construction provides invisible fixings, fast installation and ultimate strength
  • Thermally improved option available

GlazaVent solves the problem of providing effective roof ventilation with none of the excessive costs that can sometimes be incurred. This Roof Glazing product is designed for simple installation into new or existing glazing bars, GlazaVent relies on a watertight silicone seal eliminating the risk of leaks. Equally suitable for use within a domestic conservatory or shopping mall.

  • Fits into most existing patent glazing bars or conservatory roof systems currently available
  • Suitable for Single Glazing, Double Glazing and Polycarbonate Sheeting
  • Standard size 610mm x 915mm or non-standard sizes available
  • Various factory fitted Opening Mechanisms available including Pole, Cord, Thermostat, Electrical and Smoke Actuation

Conservatories & Roof Kits

Now available, Conservatory Roof Glazing Kits only or whole Conservatories with pvc-u or aluminium walls.

Key features include:

  • BBA approved and tested to last at least 25 years
  • Thermally broken aluminium frame
  • Compliant with new regulations Part L
  • Simple, easy to follow installation instructions
  • Full technical support
  • All roofs pre-assembled to ensure accuracy
  • Suitable for Polycarbonate or Double Glazed Units
  • Aluminium Portal frames included for larger spans

Other products produced by the Lonsdale Metal Company include:

  • Sky Lights
  • Glazing Bars
  • Roof Lanterns
  • Roof Lights
  • Skylights

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Lonsdale Metal Company Ltd
Unit 40
Millmead Industrial Centre
Mill Mead Road
N17 9QU

Email Lonsdale Metal

Tel: 020 8801 4221
Fax: 020 8801 1287

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