Double Glazed Units

Heat insulation

Heat insulation has mostly been the reason for the use of double glazing in windows over the years to cut down on heat loss and condensation.

However, it is now a legal requirement that all new replacement windows and new windows in newly-built homes comply with Building Regulation Document L, meaning double glazed units with low E (emmesivity) glass must be used.

Noise Insulation

Double glazed units also reduce the noise. By using different glass thickness, a good reduction can be achieved. As a rule it is advised that the sealed unit is constructed using two different thicknesses of glass ie. 6 mm with a 10 mm to reduce resonance.

Secondary Glazing

Secondary Glazing is useful for homes that are listed and there is a need to keep the original windows to retain the character of the property. Also very effective for noise insulation as the gap is far larger between the panes of glass.

The Facts

• Double glazed units only last for a certain time span, depending on the quality of the unit from 2 years upto 20 years plus.
  
  
• The most common cause of premature failure , is poor manufacture in the first place and poor glazing.
  
  
• The main enemies of sealed units seal are ultra violet rays and water moisture.
  
  
• In most cases there is no need to change the window frame We can replace the double glazed unit and keep the original window frame .
  
  
• Lee Glass only use the Best dual sealed edge type units which are manufactured to BS EN 1279 Part 2.
  
  
• Technical advice is always available to prospective clients.