I have a Bailey Cartagena 111 caravan owned from new since April 2016. Baileys build quality for a £26k caravan is unfit for purpose. Bailey hark on about there GPRS AluTech Body shell technology and then go and stick an MDF floor in the van, which is then exposed to water from spray whilst towing. No thought about using marine ply which would be limited additional cost.
The caravan has a well documented design flaw with the roof strap allowing water to cascade inside caravan. Which on mine let in water, that flowed down the inside of he caravan and has now after 4 years rotted the feebl