Technical Tips > Interiors - Trim - Seats - Carpets

Interior Heat & Sound insulation under carpet

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demonx:
I've got new carpet on the way... Now I need heat/sound insulation.

I've read some of you used the Bunnings foil type and others used the Clarke Rubber foam stuff.

What works best?

I've been looking at Dynamat and Secondskin and some of the other American products, but they are just so damn expensive. I want something cheap and local.

I know a few guys here have done their interiors and I've skimmed a few old threads, but I was hoping to get some "where are they now" comments on what you wish you had have done!

Cheers

Allan

69 DIRTY RAT:
I had that stuff from Clark rubber, it was good I thought! Foam with silver backing.

demonx:
I've also heard of the "bubble wrap" type silver foil stuff collapsing over time, hence another reason I wanted to hear from guys who have done theirs a while ago.

DIRTY RAT - did you use it for sound or heat?  Did you notice much difference? Did you do the whole interior or just the floor?

I've heard that a lot of people do behind their door panels and the whole works.

77CVT:

--- Quote ---Originally posted by 69 DIRTY RAT
I had that stuff from Clark rubber, it was good I thought! Foam with silver backing.
--- End quote ---


I used that on my '77 but underneath the floor (held in buy glue, straps and penny washers).  The difference was amazing!  I haven't seen the car for a few years so I don't know how well it lasted.

I also used bitumenised strips that you heated onto the floor with a hair dryer but that didn't really stop the heat.

I would invest in making up some under floor shielding like the early C3's had as you will not stop heat from the inside.

;42

69 DIRTY RAT:

--- Quote ---Originally posted by demonx
I've also heard of the "bubble wrap" type silver foil stuff collapsing over time, hence another reason I wanted to hear from guys who have done theirs a while ago.

DIRTY RAT - did you use it for sound or heat?  Did you notice much difference? Did you do the whole interior or just the floor?

I've heard that a lot of people do behind their door panels and the whole works.
--- End quote ---


I mainly used it for heat, I thought it worked pretty good. I'm sure there is alot better stuff but its relatively cheap! I used it on the floors and under the middle console. It got taken out only recently when I got custom made carpet put in, so I had it in there for 5-6 years and it was still ok. It didnt kill all the heat cause I still had lots of unpluged holes and creavises where the hot air would creep through. So make sure you plug everythink!

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