31 Coupe Interior - Sound Insulation

[Vic in E-TN]

After many years I am starting to put the interior from Lee Chatterton in my Coupe. I got a roll of double aluminum sided sound deadener and cut it to fit inside the cowl panels and the panels next to the seat. I bought some spray adhesive to install it. This stuff gives you one try to get it in place.


To maximize the sound deadening can the panels be left floating in place, glued only at the top with the bottom floating or does the whole panel need to see the glue?


I am alternatively thinking of spraying some of the 3M sound deadening spray in those areas. The previous owner sprayed that material in the doors.


Your thoughts would be welcome.
Thanks,
Vic

[dmaxweb]

Originally Posted by Vic in E-TN

After many years I am starting to put the interior from Lee Chatterton in my Coupe. I got a roll of double aluminum sided sound deadener and cut it to fit inside the cowl panels and the panels next to the seat. I bought some spray adhesive to install it. This stuff gives you one try to get it in place.


To maximize the sound deadening can the panels be left floating in place, glued only at the top with the bottom floating or does the whole panel need to see the glue?


I am alternatively thinking of spraying some of the 3M sound deadening spray in those areas. The previous owner sprayed that material in the doors.


Your thoughts would be welcome.
Thanks,
Vic

Peel & Seal from Lowes

Took seat out for reupholstery so decided to remove all interior panels below belt line.

3 layers in door
3 layers + hvac flex duct insulation in cowl
2 layers everywhere else

[77Birdman]

Dynamat is very good but expensive. For best results I would attach it fully to any panel whre its used. I think it would be more effective than just 'hanging'.

[mcgarrett]

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