What is the difference between double glazing and secondaring?

Question

Is there any advantage using either of them?

Answer 1

Double glazing is where 2 panes of glass are placed together with a vaccum of air between them in a sealed unit. To get double glazing you need to replace existing windows but the sealed units help cut out noise and the vaccum of air prevents temperature fluctuations in the internal pane. I think secondaring is just placing another pane of glass over the existing window to help with draughts and heat loss. Sometimes done where old buildings have the windows as listed features which have to be retained.

Answer 2

,Double glazing is where you have 2 pieces of glass with a partial vacuum between the in one frame. Secondary glazing is installed inside the windows, single or double glazed to further reduce draft and noise.

Picking a site at random, for the background not the product, you may want to look at :

http://www.1st-4-secondary-double-glazing.co.uk/horizontal_sliders.html

Answer 3

Secondary glazing is that crap 70's Everest stuff which is just 2 panes of glass added on the inside of the window frame which slide across eachother. It really is shockingly bad at keeping draughts out, and because its usually metal framed you get loads of condensation -cheap but crap. Double glazing is the best as it is installed as a whole air tight unit and sealed properly. It does the job its supposed to.

Answer 4

Secondary glazing is when you kinda fit another window behind your existing one.
Double glazing you replace your windows althogether. They are 2 panes of glass with a vacuum between.
DOuble glazing is better, much more efficient, if more expensive

Answer 5

Double glazing is better - its double glass in the same frame. Secondary is when you place another window just behind.

Answer 6

about £2000

Others have the detail above.