My asbestos garage door is in the greatest condition so I have box profile sheets coming to overlay it
I'm going to put a 25mm layer of insulation between the asbestos and the tin to try and stop any condensation in side the garage first question is will polystyrene be enough or should I go for celotex
Second question is due to the box profile section parts of the roof won't be in contact with the insulation so may condensate in the arches so should I put a layer of polythene between the insulation and the roof sheets or just allow good ventilation
I'm going to put a 25mm layer of insulation between the asbestos and the tin to try and stop any condensation in side the garage first question is will polystyrene be enough or should I go for celotex
Second question is due to the box profile section parts of the roof won't be in contact with the insulation so may condensate in the arches so should I put a layer of polythene between the insulation and the roof sheets or just allow good ventilation