Roof insulation 1st or wiring for lights 1st? Home › Forum topic › Campervan Conversions › Roof insulation 1st or wiring for lights 1st? This topic contains 4 replies, has 2 voices, and was last updated by Ritchie 3 years, 4 months ago. Viewing 5 posts - 1 through 5 (of 5 total) Author Posts November 13, 2016 at 2:53 pm #107515 RitchieParticipant Hi 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. Cheers November 14, 2016 at 8:42 am #113942 Darren I would do it after.I would do it after. November 15, 2016 at 12:43 am #113944 Fulltimer Re: Roof insulation 1st or wiring for lights 1st? I’m a huge fan of keeping all wiring and plumbing easily accessible without needing to tear into walls, floors, ceilings, etc. November 15, 2016 at 2:41 am #113946 IngriddaytonParticipant thanks from meWell that just answered my question in another thread. Access to wires is good. November 16, 2016 at 10:12 pm #113948 RitchieParticipant Thanks guysThanks very much guys 🙂 Author Posts Viewing 5 posts - 1 through 5 (of 5 total) You must be logged in to reply to this topic.