Heavy Duty Secondary Glazing
Our heavy duty secondary glazing is designed to take double glazed units and is stronger for larger windows. Heavy duty secondary is available in either horizontal or vertical sliding units in reveal fix. Heavy duty secondary glazing is designed to take a double glazed sealed unit.
Horizontal Slider Recommended Sizes
- 2 panels: 800mm - 3000mm wide, 400mm - 2400mm high.
- 3 panels: 1200mm - 4500mm wide, 400mm - 2400mm high.
- 4 panels: 1600mm - 5000mm wide, 400mm - 2400mm high.
Vertical Slider Recommended Sizes
- 400mm - 1500mm wide, 900mm - 2800mm high.
