Roof windowsWhy should you choose TOSO® roof Windows? The Danish company VKR holding A\/S guarantees the highest quality and offer of a wide assortment under one roof. Our staff will provide you with a hundred percent professional service every day.Technical informationInterested in roof windows of TOSO®, schematics or technical descriptions? Visit our Website section technical information, where we have prepared a range of assembly procedures and videos, maintenance and technical specifications. Thank you for the time you gave us.