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How can you tell if double glazing is pre 2002 or post 2002
A WINDOW QUESTION
- Thread starter BOB D.O.L.E
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I have no idea of the answer but i am intrigued by your question as to why you want to know. What happend in 2002?
April 2002 was when the Building Regs changed. All windows installed after that date are supposed to be certified.
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As of April 1st 2002, all replacement windows were supposed to have a maximum U value of 2.2W/m2K (in real terms, one pane of low emmisivity glass, Pilks K etc) and the product must be Fensa registered.
There is no way to guarantee a window was fitted after 2002 unless you have a Fensa cert which says so. You may be able to tell with certain glass coatings if you look closely at an angle to the glass, if it appears to have a coating chances are they were fitted after 2002.
There is no way to guarantee a window was fitted after 2002 unless you have a Fensa cert which says so. You may be able to tell with certain glass coatings if you look closely at an angle to the glass, if it appears to have a coating chances are they were fitted after 2002.
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some windows have the date stamped onto the spacer bar inbetween the glass units.
Er, not quite. The window has to conform to the Building Regulations but Fensa, a trade organization, is just one way of getting a certificate to demonste compliance. Getting a certificate from your Local Authority's Building Control is another way.philipdayton said:
Pilkington K is just about visible in certain lighting conditions, as you describe, but Optitherm and other soft coats (which give a lower U-value) are pretty much invisible. There is an electronic detector that can identify whether a coating is present.philipdayton said:
biffvernon said:
Agreed
, Fensa approved is easierbiffvernon said:
Agree again
, however I doubt very much that unless there are some other signs of a high performance window such as a warm edge spacer bar, that someone would use a soft coat glass by choice in older windows due to the added cost issues such as storage/shelf life and edge deletion Unless you window supplier is not Fensa registered. A self employed craftsperson making bespoke windows will probably not be registered as it's all too expensive and too much hassle.
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biffvernon said:
Do you know what this detector is called please
I fitted double glazing in January 2002 to my house and was unaware that there were upcoming changes in April 2002 (the dg supplier did not advise).
When I fitted the went to the same supplier for an additional replacement for a porch in 2005 they said that the only difference in their products was that the windows were now glazed from the inside (easier to install glass too) and that was for security reasons as the beading cannot be removed to remove the glass. They made this change late in 2002.
Was there any change to regs in 2002 to improve security? and if windows are beaded on the inside could that offer some clue as to when they were fitted?
When I fitted the went to the same supplier for an additional replacement for a porch in 2005 they said that the only difference in their products was that the windows were now glazed from the inside (easier to install glass too) and that was for security reasons as the beading cannot be removed to remove the glass. They made this change late in 2002.
Was there any change to regs in 2002 to improve security? and if windows are beaded on the inside could that offer some clue as to when they were fitted?
No mate, just the inclusion of Low e glass.
If you have pre 2002 windows you will not have a cert to tell you the glass is low e (If buying houses)
If supplied and fitted by a decent company after 2002 you should have your fensa docs or a completion notice from the BCO
What is the issue, if I may ask?
If you have pre 2002 windows you will not have a cert to tell you the glass is low e (If buying houses)
If supplied and fitted by a decent company after 2002 you should have your fensa docs or a completion notice from the BCO
What is the issue, if I may ask?
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