I have wooden window frames and was wondering rather than replacing all
with new double glazed glass whether it would be OK to cut glass the
same size as each small pane and putty them against the existing glass
in the wooden frame.
Would that still give me a double glaze insulation effect?
There seems to be enough room for two pieces of glass within the frames.
Although I have double glazing in my property I am not totally up on it's
manufacture, but I am lead to believe that the glass panels are actually
sealed units that have had the air extracted from the middle of them to
provide a vacuum, thus not allowing any condensation to build up in between
I suspect that if you do as you suggest, then you will be in for more
problems than you bargained for.
Manufactured double glazed units are hermetically sealed with silica gel (to
absorb moisture) between the pains.
Chances are if you follow this through there will no doubt be moisture
trapped between the pains which will show as condensation during cold
If you do that, do it from the inside and use beading rather than putty so
that the inner pane is easily removable for cleaning. A better alternative
is to buy made to measure sealed units to fit the frames.
|I have wooden window frames and was wondering rather than replacing all
| with new double glazed glass whether it would be OK to cut glass the
| same size as each small pane and putty them against the existing glass
| in the wooden frame.
| Would that still give me a double glaze insulation effect?
| There seems to be enough room for two pieces of glass within the frames.
| Cheers T.
I was actually thinking of cleaning out the putty on the inside of the
glass and laying a bead of clear silicon and sandwiching it between the
two sheets. I was hoping the silicon would seal the gap between the two
sheets and that way retain the heat in an old building.
Is there a reason for not going for double glazed windows and frames? It
could be cheaper long term than buying sheets of glass, and you won't have
to change your frames when they rot or paint them every year.
Double glazing is less effective if the gap between the panes is too
small - though it'd still be better than single glazing.
You can get double glazing units made by the local glazier quite cheaply
- I'm about to get a load made for the conservatory.
If you do go down the home-made route, you'll need some way to cope with
condensation - on commercial units you'll see the metal spacer is
perforated. Behind the holes is silica gel to absorb any stray moisture.
You may have to invent something similar.
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