Aluminium window frames manufacturers. Socalu is the leading staircase manufacturers in Mulhouse, Alsace. We specialise in wooden staircases, windows, doors & cabinetry. Our products are well crafted. 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. Socalu manufactures stairs, doors, windows conservatories, orangeries, roof lights, and porches. Socalu is a traditional family run joinery relying on traditional methods and processes. Socalu uses only the best timbers available from sustainable sources. 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.