Floor tar repair/ restoration Options

[TonyA]

What does everyone use to repair floor tar sound deadening material. I have some popping up very little rust the cause of course. I am removing a small amount to good sound completely rust free areas and want to restore that to like new appearance. Any suggestions?

[mepstein]

My pick - https://lizardskin.com/

[Superhawk996]

My pick - https://lizardskin.com/

Very ineffective vs LASD or CLD

Suspicious that they don’t have any published noise reduction data on their spec sheet.

In reality there is no singular NVH solution. Look at OEM and you’ll see a variety of solutions tailored to the specific problem area

LASD largely used on body structure because it’s effective, cheap, and easily applied with robotics.

Door panels and trunk panels are more likely to get small patches of CLD targeting resonant panels and to improve door closing sound quality.

Then you’ll see a lot of textile sound deadner under carpets, up under the instrument panels etc targeting higher frequency acoustic noise. Same up in the headliner.

914 had a acoustic material on engine side of the rear bulkhead for acoustic absorption and blockage. Then on the inside, there was that heavy asphalt mass damper for the low frequency structural noise. Asphalt mat was then covered by the back pad which then provides another layer of acoustic absorption and blockage. No one product is going to handle the whole frequency spectrum from 10hz structural on up through 1000 hz+ acoustic noise.