NEW! em.glaze flat glass Economy

em.glaze flat glass Economy rooflights are high-quality, aesthetically pleasing prefabricated flat glass rooflights.

Available in a wide range of sizes or made to measure, the em.glaze flat glass Economy rooflight is an entry level, thermally broken rooflight that provides a clean, minimalistic finish inside and out. Manufactured with flat sealed glass units, em.glaze Economy comes with Class 3 glazing and the same compatibility with our range of timber and uPVC upstands.

  • Flush glazed glass-to-edge design
  • Good thermal and sound insulation properties
  • Low U-Values of 1.3W/m2K
  • Factory pre-glazed for easy installation
  • Ventilation options available
  • Black spacer bar on exterior
  • Compatible with builders and uPVC upstands, and timber sloping kerb
  • Thermally broken frame
  • Aluminium frame powder coated to any RAL colour
  • 11 stocked sizes available for delivery in 3-5 days
  • Bespoke units available in 5-8 weeks

Certification & Performance

Air tightnessClass 4 (300pa)EN12207/EN1026
Sound insulation34 (-2,-4) dBDS/EN717-1/A1
Light transmission86%
Weight55 kg/m2
Thermal insulation
(with uPVC 150mm Vertical upstand)*
1.3 W/m2KEN/ISO 10077-1
EN/ISO 10077-2

*Thermal transmission refers to U-Values.  For Ud-Values, please contact us.

All em.glaze flat glass modular rooflights, when installed on em.curbs in accordance with manufacturer’s instructions, are guaranteed for a period of ten years.  For further information contact us.


Double glazed em.glaze flat glass Economy rooflights are manufactured with 32mm hermetically sealed Low E, argon filled units as standard, with a warm edge spacer, providing a high-performance system.


The glass can be finished as Clear for highest light transmission or Opal Diffused for increased security. Solar Control and Self-Cleaning coating options are also available and can be combined if both are required.

Available options:

  • Clear
  • Opal Diffused
  • Solar Control
  • Self-Cleaning


em.glaze flat glass modular rooflights are designed to be used in conjunction with em.curb upstands and can also be installed to existing builder’s upstands.  For both options we recommend that the units are installed to a pitch of between 5˚ and 15˚.
em.curbs represent excellent value for money and enhance the overall appearance of the rooflight.

  • em.curb ECO uPVC 150mm Splayed
  • em.curb ECO uPVC 150mm Vertical
  • em.curb ECO uPVC 300mm Splayed
  • em.curb ECO uPVC 350mm Oversleeve Splayed
  • NEW em.glaze Timber Sloping Kerb

For full details on the performance of the upstand options available, see em.dome Upstands

The em.glaze Timber Sloping Kerb is ensures every em.glaze rooflight is fully compliant with Part L and B of Building Regulations, and supplied pre-assembled to reduce installation time on site.

em.collars are also compatible with this product and provide a thermally broken solution for replacing existing rooflights.  They would typically be installed to an existing or newly formed builder’s upstand where the dimensions do not suit a standard sized em.glaze flat glass modular rooflight.


em.glaze flat glass Economy rooflights are as lid only and electric opening.

  • Install pitch (upstand) 5–15° recommended
  • External frame colour RAL 7016 anthracite grey or any standard RAL colour
  • Ud-value * 1.3
  • CWCT TN66/67: Class 3
  • Airtight BS6375-1:2015 and BS EN 12207: Class 4 300 Pa
  • Wind loads BS 6375-1:2015 and BS EN 12210: Class A3
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