A significant source of heat loss which should be considered is single glazed windows, and this amounts to round about 20 per cent, according to the area of glass. Although glass is a poor conductor of heat, a window pane is so thin that warmth escapes through it at two or three times the rate…
To help you decide whether double-glazing is worthwhile or whether you might do better just to have insulated shutters or a draught sealed single-glazed window, here are some comparative U values, assuming a normal degree of exposure in all cases. Glazing W/m2deg C single 5.6 double 6mm gap 3.4 12mm gap 3.0 20mm or more…
Using cling film Before discussing double-glazing with glass you might consider a very cheap method. This uses ‘cling film’ kitchen wrapping material instead of glass as the inner pane. Double-glazing works partly by trapping a layer of still air against the window and it is this layer of air that insulates: the insulating effect of…
If you want double glazing but fear the cost of professional installation, why not fit your own? There are plenty of DIY double glazing kits on the market, to suit nearly all types of windows. Properly installed double glazing is a sure way to cut down heat loss and eliminate draughts through your windows. In…