My bus was originally a sunroof bus but has a poptop added. So, for the
winter and whenever i'm not camping, i close the sunroof with the hand crank
and find it keeps the car infinately more warm than the thin layer or
fiberglass roof. I think there's alot of heat loss through the roof, even
with the top down while driving.....
A fleecel iner for the roof might be wise as well.

-Craig
'85GL turned WESTY

On Fri, Dec 5, 2008 at 10:18 AM, Richard A Jones <jones@colorado.edu> wrote:

> > I tried my Propex with top up and top down one weekend at about 38 or
> > 40degree temps..Major difference with top down...prety much shut it down
> > after half hr when the top was down..ran it on low all night with top
> > up..ymmv
>
> Bob Stevens and I invented a wonderful way to leave the
> top up--for storage, etc--but keep the heat down:
> Syncro Brothers Fleece Thermal Barrier
> http://jones.colorado.edu/jones/VW/fleecebarrier.jpg
> A 4'x6' piece of fleece with some snaps.  Other part
> of the snaps screwed around the hole in the bus.  The
> rear flap just tucks in between the upper pads.  It
> doesn't have to be perfect, just "pretty good."
>
> It keeps the heat downstairs and when you get up in the
> middle of the night it is soft on your head!
>
> Richard
>
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