I agree with bama rambler. If it is a new trailer, look for another of the same model. Delamination of the side wall can be a very big issue that you should not have to deal with from the start.
If it is used from a dealer, have him fix it first. Otherwise pass. Don't let him tell you it is not a big issue in either instance. It may not be, but why take a chance?
If it is from a private party, pass on it unless they are giving you a real good deal. If they are not, insist that it be repaired or walk away.
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