NC 75 STH-i (insulation) has the same features as the NC 75 STH series, but with a special insert in the thermal break that increases the thermal and acoustic insulation performance of the windows and doors even more.
Base dimensions: from 75 to 95 mm
Air-water tightness open joint (windows and casement doors);
Glass thickness 14 mm to 68 mm
Aesthetic lines: Sagomata, Ferro, Scomparsa, Piana