GS56 Serials is a thermally improved three-chamber system for windows and doors. The frame depth 56mm with 14.8mm thermal break. The system is available in a variety of aesthertic shapes to match the current architectural styles whilst offering all types of both inward and outward opening windows and doors. GS56 syste allows the fabrication, production and easy assembly of windows and doors in less time.

Different internal and external colours are available