One other thing. If the houses in a conservation area, then alterations like
this could be an issue, but then if its already upvc, then I'd imagine there
is no problem. Most of the ones I have seen are between the panes in a
double glazed unit using the vinyl method mentioned in this thread.
Cheap ones can go rather yellow or peel so be careful. Same goes for the
fake leaded pane windows.
Another thing is that it can make the area seem very dark in day time.
Brian

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"Adrian Brentnall" wrote in message
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On 20/11/2019 16:58, petek wrote:
A friend of mine would like a stained glass window with a bespoke design
at the top of her stairs to replace the existing window. Real stained
glass would be too expensive, even if I was capable and were to have a go
myself, so I was thinking of making it with adhesive lead strip and glass
paints on a clear "plastic" sheet and then fixing this on the inside of
the existing glass. I've seen a few links on t'internet for this kind of
thing but have a few questions.
The existing window is a double glazed unit approx 500 mm x 1200 mm.
1 I'm confused re the different materials and what would be best for
this. Polycarb? Acrylic?
2 Would 2 mm thickness be OK?
3 Whats the best method for cutting a sheet to the exact size of the
existing glass? Score & snap?
4 I was thinking of fixing it to the existing glass by making it a few mm
smaller all round and then using a narrow silicone bead to hold it in
place. Any other ideas?
5 If I fix it rigidly in place as above, what about differential
expansion? Would it buckle?
Grateful for any advice.
Cheers


Well - if you must..... grin - I work in 'real' stained-glass..

DECRA Led used to be the people who make this stuff, but they got taken
over - you could look at http://www.decraled.co.uk/

The double-glazing companies use the self-adhesive 'lead-on-a-roll' and
self-adhesive coloured vinyl sheet.

There are also glass paints (Pebeo) - which can produce a similar effect.

I'd imagine you'd need a base that wouldn't bend - possibly bog-standard
4mm glass would be best - and there are 'secondary glazing' systems that
would allow you to mount the glass relatively safely.

Depending on where the thing is to be fitted - you may need to consider
using toughened glass.