Home > Companies > Lonsdale Patent Glazing & Rooflights
Manufacturers of sloped glazing systems and rooflights for flat roofs including fixed, opening and walk-on skylights. A wide range of roof glazing systems is available to suit both domestic and commercial buildings. Products include traditional patent glazing bars and contemporary high performance sloped glazing systems for orangeries, roof lanterns, conservatories, canopies, atria and large overhead glazing areas.
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Third party approval
Classified Class 4 at 600Pa
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Third party approval
Classified E1650 at 1650Pa
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Design guide
Hundreds of safe & weather-tight details for correct design & installation of concervator...
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EcoGard Flat Rooflight
Flat roof rooflight.
- L10 Windows/ Rooflights/ Screens/ Louvres
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A patent glazing system designed to suit solid and multiwall polycarbonates, plastics and glass for unheated areas.
- H10 Patent glazing
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Traditional inverted 'T' bar patent glazing system to suit glass for unheated areas.
- H10 Patent glazing

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Domestic Rooflight

Quality Assurance

Lonsdale Patent Glazing & Rooflights is certified to the following Quality Assurance schemes/standards:
BRE Certificate: BS EN 1026:2016 – Air Permability
BRE Certificate: BS EN 1027:2016 – Watertightness

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Contact details

Unit 40,
Millmead Industrial Centre,
Mill Mead Road,
London, N17 9QU
Tel +44 (0)20 8801 4221
Fax +44 (0)20 8801 1287

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Additional links

The following external links have been provided by the manufacturer: