Entity Bill Kasper spoke thus:

>the asphalt in the pads is a
>bit stinky (industrial smelling)
Can you describe more what mastic is and why you are using it? I am getting
ready to redo my floor and need advice.

McMaster-Carr has a pile of good materials for insulation and soundproofing.
http://www.mcmaster.com/
Go to: Raw Materials and Springs>Rubber and Foam Rubber

> recommend a sealent for the bolt-ends that stick through the floor
Just use the Silicone goo.

> VW uses some sort of white goop that is
> flexible, nonsetting, and yet thick as hell (very glue-like).  anyone know
> where i can get some of that?
http://www.mcmaster.com    >>> Adhesives, Sealants, and Caulk

I removed that stuff very laboriously with a razor blade and needlenose
pliers to reuse the bolts. Thought it was latex and was not for sealing but
to prevent the bolts from vibrating loose since that is a safety issue with
the seats.

Rachel