Home > Companies > Lonsdale Patent Glazing & Rooflights > EcoGard Flat Rooflight

The EcoGard range of rooflights for flat roofs are manufactured to the highest standards and careful attention to detail along with high performance sealants ensure Lonsdale Metal Co confidently offer a ten year guarantee against leaks. EcoGard has a design life of 25 years and virtually zero life-cycle costs.

Features/ Benefits:

  • Quick and simple to install.
  • Thermally broken aluminium and 1.2 W/m²K centre pane U-value for heat retention.
  • Solar control glazing option available to reduce heat build-up and glare.
  • Easy clean low maintenance glass option to stay cleaner and brighter for longer.
  • Optional pre-fabricated insulated curb to save time on site.

Standard product features


Thermally broken extruded aluminium alloy 6063-T6 to BS EN 573-3, BS EN 755-2, BS EN 755-9 and BS EN 12020-1.


Hermetically silicone edge sealed, argon filled, 28 mm double glazed unit.


Polyester powder coated to BS 6496.

U-value (centre pane):

1.2 W/m²K.



Non-standard and custom made shapes and sizes are available, contact manufacturer for more information.


Prefabricated from marine ply and polyfoam rigid insulation to BS EN 13165. Incorporates a 5° fall over the shortest dimension and a recommended minimum of 150 mm high above roof finish.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-25-99/410 Framed rooflights

NBS Specification

NBS Buliding logo
This product is associated with the following NBS clauses:

Product specification

An important note about specifying



Lonsdale Patent Glazing & Rooflights


+44 (0)20 8801 4221

Product reference

EcoGard Flat Rooflight


[Opening for Ventilation]
[Opening For Access]
[Fixed Walk-On]


[1000 x 1000 mm]
[1000 x 1500 mm]
[1000 x 2000 mm]
[Special order]
Insert requirements


[Manufacturer's standard]
Internal: White RAL 9910M; External: Grey RAL 7015M.
[Special order]
Insert BS or RAL colour.


[Clear toughened safety glass]
[Non-fragile clear toughened and laminated safety glass]
[Solar control and low maintenance finish neutral toughened safety glass]
60% Solar heat reflection and 37% light transmission.
[Walk-On Glass]


[Not required]

Manufacturer details

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