Double glazing (glass) units required!!

Apr 2, 2019
14
27
Funster No
59,553
MH
1992 Niesmann-Bischoff
Exp
Brand new
Hello all you experts out there,
any help with the following will be more than appreciated. I have a 1992 Niesmann & Bisch etc etc bottomless pit Liner, which is my intention to refurb (bit by bit ). The stage at the moment, are the windows.......double glazed flat glass units, two sliders for the driver / passenger section, and various others for the rest of the fun bus.(all flat glass). I have stripped the units out of the frames, but am struggling to find anyone who can make sealed double glazed units to pattern !! I know the glass is probably auto toughened , but surely someone can manufacture units to pattern ? Any help would be appreciated........ps, just wondering if normal glass would suffice (its not as though its a windscreen )
Many thanks....John.
 

ctc

Oct 12, 2015
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Someone here has done it but finding them is best left to one who knows.
 
OP
JohnWillyCamper
Apr 2, 2019
14
27
Funster No
59,553
MH
1992 Niesmann-Bischoff
Exp
Brand new
a little vague, but thank you I think !!
 

TheBig1

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Nov 27, 2011
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many many years! since I was a kid
If the glass is still intact, you may be able to get the units resealed. There used to be a firm that supplied the glass units in the midlands, but they have long since gone to the wall. You might find a glazing specialist that will try to reseal, but more likely you will have to learn how to do it diy
check out youtube for the method
 

funflair

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Dec 11, 2013
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Hi @JohnWillyCamper as TheBig1 says above if you have the units out you have done the hard work and should be able to get them split and resealed again with new 6mm desiccant glazing bar, if you have to have them remade you will need to do it with 4mm glass as finding somebody in the UK to toughen the 3mm as original is very difficult then of course they have to be put back together with 4mm heritage glazing bar hence me using CN glass, all the details are on the link posted by rb62.

Just to add I am assuming that your panels are 12mm overall the same as our Flair.

Martin

EDIT we have friends that had an old Clouting liner and they had new glazing panels made the fill the whole window frame so did away with the metal infill top and bottom, they used Southport glass, so that could be another option depending where you live.
 

poacher

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There is a firm in the midlands
Kevin Kelly Glass - 01785 712154
(do a search over on the sister RVOC site)
Kevin has / had an RV and has done several splitting and rebuildings for those with RVs - big boys tend to stay on site near the factory
(I have not used him personally - did mine myself (kits are available) )

As you have done much of the labour (the removal and reinstallation) - it might be worth a trip down the M6 - with the units out I would expect them to be able to rebuild several of your existing units in one day
** the caveat always being that the 3mm glass can be cleaned / resused
 
OP
JohnWillyCamper
Apr 2, 2019
14
27
Funster No
59,553
MH
1992 Niesmann-Bischoff
Exp
Brand new
Many thanks for all your replies,the idea of using the existing glass for new units never crossed my mind!! Learn something every day........by the time the fat lady sings, I should be able to hold a conversation with adults....
 
Nov 19, 2017
14
17
Funster No
51,409
Having been in the window industry myself, my opinion would be to contact a glazing company and ask their advice. It used to be totally pointless trying to clean up a broken down unit as it was cheaper to have new. All glazing companies are completely familiar with toughened units due to the high demand for them under building regs. Good luck
 

funflair

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Having been in the window industry myself, my opinion would be to contact a glazing company and ask their advice. It used to be totally pointless trying to clean up a broken down unit as it was cheaper to have new. All glazing companies are completely familiar with toughened units due to the high demand for them under building regs. Good luck
I believe if you want to maintain the 6mm air gap the only way is to use your own glass as it is 3mm and I couldn't find anybody to toughen 3mm for just a short run, the other thing to bear in mind is that the glass may well have some dot printing around the periphery which again is a pain to recreate as a one off.

Martin
 
OP
JohnWillyCamper
Apr 2, 2019
14
27
Funster No
59,553
MH
1992 Niesmann-Bischoff
Exp
Brand new
Having been in the window industry myself, my opinion would be to contact a glazing company and ask their advice. It used to be totally pointless trying to clean up a broken down unit as it was cheaper to have new. All glazing companies are completely familiar with toughened units due to the high demand for them under building regs. Good luck
 
OP
JohnWillyCamper
Apr 2, 2019
14
27
Funster No
59,553
MH
1992 Niesmann-Bischoff
Exp
Brand new
Thankyou, I will give that a go tomorrow, if all else fails I will strip and rebuild the glass units altogether. It’ll be a pain but hopefully will only have to do it once!
Quote......if you’ve no sense of humour, shouldn’t have joined!!!!
 
Dec 4, 2009
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I believe if you want to maintain the 6mm air gap the only way is to use your own glass as it is 3mm and I couldn't find anybody to toughen 3mm for just a short run, the other thing to bear in mind is that the glass may well have some dot printing around the periphery which again is a pain to recreate as a one off.

Martin
Yes I agree, I am also in the trade and you cannot get 3mm tough in the UK.
 
Jun 10, 2010
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Having been in the window industry myself, my opinion would be to contact a glazing company and ask their advice. It used to be totally pointless trying to clean up a broken down unit as it was cheaper to have new. All glazing companies are completely familiar with toughened units due to the high demand for them under building regs. Good luck
The issue here AFAIK is sourcing 3mm toughened glass.
 

funflair

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The issue here AFAIK is sourcing 3mm toughened glass.
Correct Jon hence my previous comments to use 4mm and 4mm glazing bars and then you still have a panel that fits the frame which is quite important;)

Martin
 
Nov 19, 2017
14
17
Funster No
51,409
I believe if you want to maintain the 6mm air gap the only way is to use your own glass as it is 3mm and I couldn't find anybody to toughen 3mm for just a short run, the other thing to bear in mind is that the glass may well have some dot printing around the periphery which again is a pain to recreate as a one off.

Martin
Point taken Martin. In this case i would approach a small independent glazier who may be more willing to bend his daily routine to help.
 

Silver-Fox

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Yes I agree, I am also in the trade and you cannot get 3mm tough in the UK.
Can I ask what might be a dumb question.

Is the glass not cut to size and shape then toughened?
Then made into the sealed units?
Is the toughening a heat treat exercise?

Ahh the thirst for knowledge is strong :D
 
Jun 10, 2010
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Can I ask what might be a dumb question.

Is the glass not cut to size and shape then toughened?
Then made into the sealed units?
Is the toughening a heat treat exercise?

Ahh the thirst for knowledge is strong :D
Yes, you apparently cannot cut toughened glass - unless somebody knows different.

Much easier if you can get your own cleaned and resealed. I'm considering doing mine this year.
Not too bad though 9 years old a lot of miles and a lot of places.

Jon
 

funflair

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Can I ask what might be a dumb question.

Is the glass not cut to size and shape then toughened?
Then made into the sealed units?
Is the toughening a heat treat exercise?

Ahh the thirst for knowledge is strong :D
Yes
Yes
Yes

Apparently if you put 3mm through the same ovens and cycle as 4mm or above it will just break as the cycle needs to be tailored for 3mm and that isn't going to happen for just a couple of pieces.

Martin
 

Silver-Fox

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Yes
Yes
Yes

Apparently if you put 3mm through the same ovens and cycle as 4mm or above it will just break as the cycle needs to be tailored for 3mm and that isn't going to happen for just a couple of pieces.

Martin

Got it, I can understand you can’t heatreat 3 and 4 at same temp/time.

Thanks
 

Sundowners

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Just curious------- is yours on a Chevy chassis with a diesel V8???????

Edit----- just seen its on a Merc!!!!!!!:mad:
 
Last edited:
OP
JohnWillyCamper
Apr 2, 2019
14
27
Funster No
59,553
MH
1992 Niesmann-Bischoff
Exp
Brand new
Good evening, yes it’s the Merc Vario with 134 (hopefully) horses to pull @ 6 tons along.......should be an awesome experience !!
Good news on the glass front......have found a glazier in Huddersfield who has no problem copying the existing windows ......AND, in toughened tinted glass....... RESULT!!
 
Aug 13, 2015
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Good evening, yes it’s the Merc Vario with 134 (hopefully) horses to pull @ 6 tons along.......should be an awesome experience !!
Good news on the glass front......have found a glazier in Huddersfield who has no problem copying the existing windows ......AND, in toughened tinted glass....... RESULT!!
Hi would be interested in the name of the glazier who does the windows. Just in case we need him in the future. Thanks
 
OP
JohnWillyCamper
Apr 2, 2019
14
27
Funster No
59,553
MH
1992 Niesmann-Bischoff
Exp
Brand new
Hello......the glazier trades under chiodo.co.uk Apparently of Italian descent, and his name is totally un-pronounceable , but a very helpful and cheerful chap......and used to have a campervan!! Hope this helps?
 
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