SNMA GRANDPIERRE (SOCIETE NORMANDE MENUISERIE ALUMINIUM)

SNMA GRANDPIERRE is a French aluminum joinery company specializing in custom windows, doors, and exterior amenities. Headquartered in Bretteville-du-Grand-Caux, France. Since 1970, SNMA GRANDPIERRE has been a reference for joinery near Le Havre, operating as an employee-owned cooperative (SCOP) since its takeover by staff in 1999. Here are key aspects of the company:

• Products & Services: Custom aluminum and PVC windows, doors, shutters, gates, pergolas, sunshades, and railings manufactured and installed in-house.
• Products & Services: Bespoke verandas designed with 3D modeling to provide additional living space with thermal comfort and aesthetic integration.
• Products & Services: Professional solutions for commercial buildings including curtain walls, glass facades, display windows, and metal shutters. Certified RGE QUALIBAT, the firm combines over three decades of experience in cooperative management with high-quality Schüco partnerships to deliver sustainable, energy-efficient joinery projects from design to installation.