I smooshed roofing compound on the underside of all that single-thickness
metal in the fenderwell/step area and it has made a HUGE difference in the
noise level when driving in the rain.

I haven't tried touching it but I bet the quarter-inch layer of tar has
added to the separation between interior and exterior temperatures.

On 12/31/06, Sudhir Desai <sudhir.desai@gmail.com> wrote:
>
> don't forget to think about condensation; another problem causer. ~
> sudhir
>
> On 12/31/06, Nathaniel Poole <npoole@telus.net> wrote:
> > I thought about it, but what I�m going to do is make sure everything is
> > sealed. Make sure there aren�t any sources of water ingress from the
> > outside, get handy with a caulking gun. Finish up with sheet poly before
> the
> > finish panel. Course I won�t be able to do the front doors. But the
> other
> > night while on the highway I noticed that the wheel hump beside the seat
> was
> > absolutely freezing. I�m sure if I spat on it it would have frozen. You
> can
> > have all the heat you want blowing but when that kind of cold metal
> lines
> > the van �wow. I�ll have to think what I should put down around there.
> Maybe
> > carpet underlay or something, underneath the rubber mat. On top of the
> > paint/cellulose. There is also a huge amount of noise coming from the
> nose
> > and and floor area.
> >
> >
> > On 12/31/06 2:08 PM, "Jake de Villiers" <crescentbeachguitar@gmail.com>
> > wrote:
> >
> > > You might want to reconsider Nathaniel. The fibreglass will retain
> moisture in
> > > there.
> > > That's where the foil/bubble/bubble/foil material is best.  More R
> value and
> > > no water retention!  :)
> > >
> > > On 12/31/06, Nathaniel Poole <npoole@telus.net> wrote:
> > >> See http://www.nrcratings.com/nrc.html.
> > >>
> > >> Aside from the acrylic/cellulose slop I'm putting on as a first
> layer, I'm
> > >> going to try to stuff the interior panels with fibreglas acoustic
> ceiling
> > >> tile. These aren't quite as good as what is listed above, but they
> also
> > >> provide thermal insulation. These have an NRC of 55% and Transmission
> > >> coefficience of 35%. That will make a big difference. And that's
> before I
> > >> install the cloth-covered interior surface panels. If there's still
> space in
> > >> the "walls" I'll stuff it with more fibreglas.
> > >>
> > >> Nathaniel
> > >
> > >
> >
>

-- 
Jake
1984 Vanagon GL
1986 Westy Weekender "Dixie"
www.crescentbeachguitar.com