Seems to make a lot of sense. I don't know about the
bedliner... I'd be surprised if that has a good sound
transmission loss factor. McMaster-Carr sells a
vibration damping compound, 69 $ for 5 gal. I was
thinking of trying that, but got discouraged after I
found out the door insulation was not helping much.

--- Terry K <CTONLINE@webtv.net> wrote:

> Reinhard,
>
> Your 100% positvly correct---the road noise is a
> problem--
>
> I Found that most of the road noise is coming from
> the underside of the
> Van--
> Especially from the whell wells--
>
> I deadened the interior harmonics by loading the
> door's and interior
> panels with bed liner, and home type
> insulation--worked pretty good.
>
> But the tires under you and in the rear of the Van
> seems to permiate the
> interior still---
>
> WhatI did--and it worked out really well is load
> upthe bottom side of
> the an with black bed liner--
>
> It sure quieted the road noise really good---and it
> also serves a dual
> purpoe--it slows the corrision from road wash on the
> bottom of the Van--
>
> I would consider this method if you desire to
> eleiminate the road noise.
>
> Good Luck--
>

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