I had a conservatory built in July 2012 - tinted polycarbonate roofing was used as its south facing. In October I noticed that condensation had started to form between sheets, this has gradually got worse. Asked company to have a look - they said because it was October this will happen. I'm very unhappy with roof now, if condensation does dry out it leaves water marks, am I entitled to claim a new roof or can this be remedied another way?