Is this a problem?
Just got back from my first weekend away with our caravan, bought privately, which we know needs a little work for some delamination just in front of the door (I'll be sorting that myself). But I've just had chance to have a good look underneath and found
something I wasn't sure about .... and hopefully shouldn't be worried about.
https://www.dropbox.com/s/taw2ooos276wj73/2013-06-16%2015.19.54.jpg
Should I be concerned? Inside seems fine above this spot, it also looks like it's been coated with something quite dark?
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