Socalu in Mulhouse, Alsace can provide traditional style windows, modern style windows, french windows, patio doors, front entrance doors, staircases with a fitting service available. Visit www.socalu.fr, a website from Mars Rouge agency. Established in 2004 in Mulhouse, Socalu has manufactured bespoke joinery for builders and private customers within a thirty-mile radius of Mulhouse, Alsace for over 15 years.