A roof window, like most other building materials, has a long life. If normal maintenance is undertaken, the life span may be vastly prolonged. Well maintained VELUX roof windows often have a lifespan of 30-40 years.
We are confident that the roof windows we sell are built to last, which is why a 10-year guarantee is applied to all the VELUX and Solstro roof windows on our web shop. Read more about the guarantee here.