As the joinery is not only made of profiles, but also of glazing units and hardware, You have to choose them, too. The most common glazing units are:
Glazing units of two transparent glasses:
• this is a standard glass package consisting of two transparent float glasses of 4mm, a spacer 16mm;
• thermal insulation - 2.9W / m2.K;
• noise insulation - 32 dB;
• daylight penetration - 91%.
Glazing units with low-emission (Ka) glass - 24mm:
• one transparent float glass 4 mm, one low emission Ka 4 mm, a spacer 16 mm, argon;
• thermal insulation - 1.5W / m2.K;
• noise insulation - 33 dB;
• daylight penetration - 82%.
Glazing units of a coloured glass - 24mm:
• one transparent float glass and one coloured glass (green, gray, blue, etc.), spacer 16mm;
• thermal insulation - 2.9W / m2.K;
• noise insulation - 32 dB;
• penetration of daylight - 65%.
Glazing units with mirror glasses:
• one transparent float glass, one reflecting glass (green, gray, blue, etc.), spacer 16mm;
• thermal insulation - 2.9W / m2.K;
• noise insulation - 32 dB;
• penetration of daylight - 40% to 60%.
COMFORT 4 SEASONS SGG Planitherm 4S:
• thermal insulation - 1.0W / m2.K;
• solar protection: reflects up to 57% of solar heat in lateral application and about 71% (in combination with other glass), used for roofing;
• energy efficiency: reduces heating and cooling costs;
• visual comfort: maximal good light transmittance and maximal reduction of the bright glares;
• its main properties are the limitation of solar heat during the summer and the keeping of heat inside the room during the winter.