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Flat roof sizes
VELUX Modular Skylights
Find out more about VELUX Modular Skylights for commercial buildings.
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Vario by VELUX
Create your own bespoke rooflight.
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Product and installation training
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Complete smoke-ventilation system in compliance with European EN norms
Smoke-ventilation roof window
Smoke-ventilation roof window including wind deflector
Complete control system for up to 4 GGL/GGU smoke-ventilation roof windows or 1 CSP flat-roof window. Includes: KFC 210 + KFK 100 + KFA 100
Factories and warehouses
VELUX also sells smoke-ventilation windows for flat roofs. Follow the link to read more.
Frequently asked questions (FAQ)
What is the EN 12101-2 standard?
What is the EN 12101-10 standard?
How is a product CE-marked in accordance with the EN 12101-2 standard?
Does the EN 12101-2 standard cover sloped roofs?
Do VELUX smoke ventilation products live up to the newest EN product standards?
Are VELUX smoke ventilation windows available in different sizes and variants?
Why does VELUX use a centre pivot window that opens 90 degrees?
Is it possible to use the smoke ventilation system for comfort ventilation?
What is the maximum ventilation area, which can be obtained?
Does the smoke ventilation system protect against power failure?
How is a VELUX smoke ventilation window installed?
Is it possible to replace previously installed VELUX smoke ventilation operators?
Is it possible to connect the VELUX system to external alarm systems?
Does VELUX offer services related to smoke ventilation?
For which applications can a VELUX smoke ventilation system be used?
How can the performance of different smoke and heat exhaust ventilators be compared?
When should a smoke ventilation window including wind deflector be installed?
Can VELUX smoke ventilation windows be used in flat roofs?
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Find an installer
Find a VELUX Certified Installer near you.
Find details of your local VELUX stockists or where you can buy VELUX roof windows online.
Where to buy