Hi transit fello conversionists...!
-i have a 99 mk5 15 seater minibus which i intend to turn into a day/wkend bus,what do people reckon on the original roof liner???? ...remove and insulate or leave in situ...??, Thanks in advance!
Moderator: Luke
fzrtdizxr wrote:@ transit-town
as beaker said condensation is your worst enemy in the camper build,
i would remove the roof covering and insulate it to death, tbh,
i did mine with 5mm thermal foil backed insulation (foil coated bubble wrap) then used 25mm jab-lite (basically polystyrene used in wall cavities) between the roof spars, then went over the top with 5.5mm ply, it was great for about a yr then i noticed the screw heads starting to go rusty, this was because i never covered the roof spars with insulation because i thought
1 it's a double skin of metal, so should act like a cavity.
2 the ply on theses small sections would be good enough.
wrong on both counts
so now i have to take the main part of the roof down and slide some foil backed insulation in between the ply and roof spars to hopefully cure the problem,
you wouldn't believe how much condensation a couple of bodies and a kettle can course overnight in a panel van,
insulate like there's no tomorrow and don't forget to vent everything
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