For enhanced insulation, choose TOPAZE with a 46 mm module and a thermal break. It boasts a significant glazed area and discrete 41 mm central stiles, accommodating infill up to 26 mm.
With a full range of closing mechanisms, these thermally improved products meet RT 2000 thermal regulations and are rated according to Th-Building 2001 regulations, as approved by CSTB.
They are also compatible with doors and windows from the same range.