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Just to pass onto anyone who cant source window bungs as I have found it hard to do.

I came across clear round sticky backed discs in our caravan shop they were called stop pads, they  look  simiular like this  but were only about £1.00 for 12 !!!

http://cgi.ebay.co.uk/TAX-DISC-HOLDER-ADHESIVE-ROUND-CLEAR-STICKY-PADS-/280458134919?cmd=ViewItem&pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item414c9b8587

Have since found some more for spares in our local handyman shop for 78p!!!!

They fit perfectly over the holes in my windows sticking securely and dont look out of place just thought it might help someone in the same situation.

Good idea, but will the sticky glue cause the acrylic to craze?

the "glue" is double sided stick tape.

I used a hair dryer to "warm " one of the origional bung then a tweezer to pull it out heating on a low setting made them soft and pliable. I had to use the sticky pads for the ones that were missing that I couldnt put back.

 My misty windows have now finally cleared!!

Quote: Originally posted by Paul_B on 25/1/2020

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Bungs are designed to pop out when the internal pressure gets high, this prevents the window busting at the seams.

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Quote: Originally posted by shaggy2000 on 27/1/2020

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Quote: Originally posted by Paul_B on 25/1/2020

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Bungs are designed to pop out when the internal pressure gets high, this prevents the window busting at the seams.

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I had the reverse happen a few years ago, we had a really cold bad winter and the following spring I got the van out for the first trip of the season and noticed some minor scratches in the centre of the front window.

At first I thought it could be dirt or something and tried to wipe it off, wouldn't budge, so I thought it must be on the outside, wiped it and again wouldn't budge.

I then got some of the clear rubbing gel a company makes for removing fine scratches, and again wouldn't budge.

It was then that I realised the scratches were on the inside of the window (in-between the two sheets of plastic)

All I can think of is that the pressure inside the window dropped due to the cold weather and caused the sheets of plastic to touch and scratch.

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