Products Showroom Architect Challenged for 42 years. Still standing stool. We have been challenging the forces of the weather, bad moods, kicks and punches for decades. The strength comes from Swedish steel, solid craftsmanship and professional knowledge. For you, this means window and door sections with very good durability and economy. Are you our next challenger? © All rights belong to Thoruns.se 1976-2018 | Privacy Policy