Frequently Asked Questions
Want to know more
about the Korniche roof lantern?
As a leading supplier of Korniche roof lanterns in the UK we get asked a lot of questions about our products. If you don’t find the answer to your query we would love to hear from you.
The Korniche Roof Lantern is designed from external measurements. Your EXTERNAL measurement of your upstand, including roof covering, is the size of the lantern you should purchase. Please allow 6mm on each side to allow for rainwater drippage. The survey guide can be found here:
Installation of a Korniche Roof Lantern is fairly straightforward and can be attempted by an experienced DIYer or a competent tradesman.
Yes, the Korniche Roof Lantern has a full aluminium profile.
Fast & Easy to Install – The Korniche Lantern has been engineered to ensure the installation is a quick and easy operation ensuring your home becomes secure and watertight in the minimum time possible.
Strong & Secure –The Korniche is designed have more glass and less roof. Highest quality weatherproofing and maximum security.
Thermally Efficient – The thermal efficiency of the lantern has been guaranteed by the elimination of cold bridging, achieved by isolating of the external profiles from the internal ones. Combined with high performance glazing, the Korniche’s ability to reduce heat transfer is in a class of it’s own. With a Thermally Broken Eaves Beam and an Insulating T-Bar the Korniche provides warmth all year round. Performance Glazing Options.
Slim, Beautiful Sightlines – The Korniche lantern has structural elegance. This is from, Aesthetics, Hidden Fixings, Attention to Detail, and the Finishing Touch.
Korniche has been optimised to create the strongest and stiffest roof lantern possible with minimal structure to obscure your view. Unparalleled in strength, the Korniche can survive whatever nature throws at it. Put into perspective a 6m x 4m.Korniche roof can support over 8 tonnes.
Thermal efficiency of the Korniche has been guaranteed by the elimination of cold bridging, this is achieved by the total isolation of the external aluminium profiles from the internal ones. Combined with high performance glazing, the Korniche’s ability to reduce heat transfer is in a class of its own.
We offer different glazing tints, all detailed on the ‘Aluminium Roof Lantern’ section of our website. 1.2 U-value glazing is the equivalent to double glazing, and can be supplied in Clear, Blue and Neutral. Our 1.0 U-value glazing is the equivalent to triple glazing, and reflects 85% of the solar glare. This can be supplied in Sunshade Blue or Aqua. For more info please see our glazing brochure.
The Korniche Roof Lantern is covered by a 10 year guarantee with Korniche.
Many domestic customers undertake the installation of a roof lantern themselves with adequate manpower as the product is so well made and easy to fit, but we recommend a registered window fitter.
A YouTube video of fitting can be found here:
All Korniches are made to measure up to sizes of 6 metres by 4 metres. You can have any size up to this, please email for a bespoke quote. Bespoke sizes are on the same pricing structure as our standard listed lanterns so you will not pay more for sizes not listed on the website. We simply cannot fit them all on there!
No, although we are experts on the product we are an online supply only service.