Em-Glaze Modular Ridgelight

More daylight, available from stock. The new Em-Glaze range of modular ridgelights offers a perfectly designed solution for maximising natural light.

Em-Glaze has a slimline aluminium framework which delivers outstanding light performance and integrates seamlessly into most construction projects.  Em-Glaze is quick and easy to install using the supplied video guide, and is fully compatible with stock Em-Curb upstands.  Each unit comes with a 10 year guarantee.

Watch our video for more details.

  • New, slimline aluminium design maximises daylight
  • 6 standard stocked sizes – next day delivery available.
  • Quick and easy to install (video supplied)
  • Fully bespoke design options available – made-to-measure sizes, wide choice of framework RAL colours and blue solar tint
  • Multiple options of ventilation available
  • Double and triple-glazed options
  • Thermally insulated
  • 10 year guarantee

Shapes and sizes

Em-Glaze modular ridgelights are available in 6 standard sizes for next day delivery (manual and electric opening for ventilation are also available to special order), with bespoke shapes and sizes available within our Em-Glaze Bespoke range.


The Shape of a rooflight relates to the shape of the hole in the roof. Em-Glaze modular ridgelights are available in the following shapes:

  • Square
  • Rectangular

The Profile of a rooflight relates to the side-view contour shape of the rooflight.

Em-Glaze modular ridgelights are available in the following profiles:

  • Pyramid
  • Trapezoidal
Size availability

Click here to see full size chart of stocked sizes.


The Em-Glaze glass modular ridgelights are available in double glazing with a clear neutral tint finishing.  Solar Control and Self-Cleaning coatings are also included as standard.

Triple glazing and a clear blue tint is available to special order.


Em-Glaze modular ridgelights are compatible with the Em-Curb upstand range and can also be installed to existing builder’s curbs.

  • Em-Curb ECO uPVC 150mm Splayed
  • Em-Curb ECO uPVC 150mm Vertical
  • Em-Curb ECO uPVC 300mm Splayed

For full details on the performance of the upstand options available, see Em-Dome Upstands


Em-Glaze modular ridgelights are available with permanent and controllable trickle ventilation.

Controllable Trickle
  • Factory fitted
  • Installed in side wall of upstand
  • Up to 8000mm2 ventilation area per pair
Hinged Manual Spindle Opening Section
  • Manual operated
  • Opens up to 300mm
  • Proprietary design
  • Suitable for small units
Hinged Electric Actuator Opening Section
  • Electrically operated
  • Opens up to 180mm
  • Rain sensor option
  • Suitable for large and small units

Manual and electric opening sections for ventilation are also available to special order.


Em-Glaze modular ridgelights have been engineered to comply with severe weather ratings.

  • Withstands wind loads 1.32 Kn/m² and snow loads 1.0 kn/m²
  • U-Value for Em-Glaze Ridgelights thermally broken rafter is from 1.41 W/m²K*
  • BBA Water test pressure to 300 pascals
  • Uplift tested to 1320 pascals of pressure

*For Ud-Values, please contact us.


All Em-Glaze modular ridgelight 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.

Installation Instructions

Watch the video or download the installation booklet for full instructions on how to install your Em-Glaze modular ridgelight.


Ordering & Delivery


We supply our modular product range to both individual and commercial customers. If you would like to apply for a trade account, please contact us or click here to find a Whitesales merchant in your area.


Free delivery on all orders over £500 for products shipped to Mainland UK only; £20 delivery surcharge for orders under this amount. For deliveries outside of Mainland UK we offer delivery to a port on the mainland for onward shipping arranged by the customer, or we can agree a carriage charge relevant to the order.

Next day for most stock products for orders placed by 2pm. Non-stock products: 7 -28 days.

For further information, see our full terms and conditions.


Contact us and
request brochure