Roof insulation 1st or wiring for lights 1st?Home › Forum topic › Campervan Conversions › Roof insulation 1st or wiring for lights 1st?This topic has 0 replies, 1 voice, and was last updated 7 years, 5 months ago by Ritchie.Viewing 1 post (of 1 total)AuthorPosts November 13, 2016 at 2:53 pm #107516 RitchieParticipantHi I have lined the whole van with bubble foil and i am going to put some polystyrene sheets on the roof but my question is, do i run the wires for the lights before i put the polystyrene up or after? after would be the easiest option for me. CheersAuthorPostsViewing 1 post (of 1 total)You must be logged in to reply to this topic.Log In Username: Password: Keep me signed in Log In