SL 70 Classic is a classically designed five-chamber system with an installation depth of 70 mm, gently rounded edges and a very narrow sightline, making it ideal for all architectural styles. It belongs to the highest class A, with internal and external walls 3 mm thick in accordance with DIN EN 12608. Surfaces are available in more than 50 colours and textures, and thanks to a resource-saving production process, the profile is environmentally friendly and almost 100% recyclable. It meets the highest thermal insulation requirements, ensuring a comfortable indoor climate while helping reduce heating costs in winter.