woodmonkey wrote:why does everyone go on about the weight of mdf, these are commercial vehicles, and mdf is about 8-10 kilo's per sheet heavier, which would mean an average camping interior made from mdf would weigh about 40 kilo's more than in ply, thats a large dog or a small wife, it's not gonna slow you down that much!
i have a large dog and a small wife and they both slow me down plenty

ive used ash and thin marine ply a couple times, i think someone else said they had too, ash is a litttle expensive, but its strong but will flex and excellent to fix in to.