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 Topic: Window separation.
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12/7/2017 at 12:14am
Location: Lichfield
Outfit: Coachman Amara 450
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Do a Google search for 'Caravan Window Delamination Repair' and there are other forums with related information plus a video on youtube as well.
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12/7/2017 at 11:31am
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Use acrylic adhesive. You can get it from Amazon suppliers. Clean surfaces with meths, apply adhesive with small brush. Clamp together with bulldog clips while drying.
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16/7/2017 at 8:25pm
Location: Herts
Outfit: Coachman Pastiche 460 2
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Hi all, just repaired(today)the three front windows on my 2004 Coachman Pastiche. Apparently this is a common problem on older windows with a printed border.
I used Bondrite S1220 adhesive at £22 per tube delivered and it seems to have done the job. Google it and several suggestion of alternative adhesives are available but I chose this one as it has been used by others with success.
I had to completely split the two smaller ones as they had only partially delaminated and I wanted to bond all the way round, no sense in doing a bit today and then have to do the rest of the window later. As for the large central window, it just fell apart when I opened it.
I used 4" spring clamps and found Bunnings was the cheapest place , a pack of mixed sizes for £1. Get 6 packs as you will need to clamp the window at lots of points around the edge.
I did mine in situ as no matter what position I put the window in I could not get it off the van.
A final word of warning, be careful of the edges of the inner pane, they are really sharp, believe me it hurts.
Allow about 2 hours per window this gives time to clean between the panels, dry completely before applying the adhesive, and then at least 1.5 hours for the adhesive to cure. Whilst it is curing, don't support with the window stays, use a piece of wood or the like. If you use the stays you could end up with stress cracks around the point where they attach to the window( I found out with the first one but didn't make the same mistake again).
Sorry this has gone on a bit but if this works long term, and I don't see why not, this will have saved me about £1000 and I am no worse off than when I started.
Give it a go.
All the best
Nick
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17/7/2017 at 12:11am
Location: Lichfield
Outfit: Coachman Amara 450
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Quoted by wardlows (above post) :
Hi all, just repaired(today)the three front windows on my 2004 Coachman Pastiche. Apparently this is a common problem on older windows with a printed border.
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It's only a common problem if the owners never open their caravan windows. The root cause of window delamination is due to the fact that the outside temperature changes daily to which the plastic acrylic windows need to expand and contract respectively. What happens is that the inner section of the window sticks to the sealing rubber whilst the out window tries to expand and contract with the altering temperatures which is then restricted by the inner half so something has to give which is the bonding that holds the two halves of the window together.
The solution is to occassionally open every window and polish the perimeter where the window seals against the rubber which will stop it from sticking. This will allow the complete window to expand and retract at the same rate thus eliminating any delamination. I do mine twice a year, at the beginning and at the end of the season.
It's a good tip and can save you hundreds of pounds in the long term by not having to repair or replace delaminated acrylic windows.
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04/1/2018 at 11:35am
Location: North Wales
Outfit: Trigano 575tc coachman laser 590-5
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i`ll be doing mine now after reading your post Wardlows. ive found out that upvc pipe cement does the job perfectly and i already have a tub of that from work.. Sorted :)
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17/6/2019 at 6:44am
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wardlows has never been back since that post, so you could be out of luck with a reply.
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XVI yes?
As well is two words!
How does a sage know everything about everything? or does he? or does he just think he does?
Remember, if you buy something you bought it, not brought it.
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18/9/2019 at 11:48am
Location: Near Alton Towers
Outfit: Bailey Burgundy S7 H
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I did mine with Bison Plastic Adhesive, transparent, waterproof and made for bonding rigid plastic like acrylic and perspex as per the link.
Dave.
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Give a man a fish and he will eat for a day,
Teach a man to fish and you can get rid of him for a whole weekend.
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via mobile 16/6/2019 at 8:08pm
