Sound Deadener and Heat Suppression - The 1947 - Present Chevrolet & GMC Truck Message Board Network

weq92f · 10-08-2017, 09:17 PM

The peel-n-seal and other less expensive alternatives are not heat barriers. They are good panel dampers ( sound ) but really do nothing for the heat.

I used Tru-Max Insulator Mats part number: TRU-30000-12406. This is a 28 dollar 48" by 72" roll of effective insulation ( heat/sound ) with foil facing on both sides. I put it down with 3m spray adhesive against the peel-n-seal. Used aluminum tape to seal the seams and went as high up the firewall as possible with the stuff.

Works as advertised.

-klb

10-08-2017, 09:17 PM	#26
weq92f Registered User Join Date: Oct 2016 Location: Dallas Texas Posts: 3,376	Re: Sound Deadener and Heat Suppression The peel-n-seal and other less expensive alternatives are not heat barriers. They are good panel dampers ( sound ) but really do nothing for the heat. I used Tru-Max Insulator Mats part number: TRU-30000-12406. This is a 28 dollar 48" by 72" roll of effective insulation ( heat/sound ) with foil facing on both sides. I put it down with 3m spray adhesive against the peel-n-seal. Used aluminum tape to seal the seams and went as high up the firewall as possible with the stuff. Works as advertised. -klb __________________ 67 C10 fleet fuel injected '70 402, 700r4, 3.73 posi 07 335 sport turbo 6sp 94 Trans Am GT LT1 6sp posi -- sold after 22yrs 99 540 sport V8 6sp -- sold 73 240z L24 4sp -- given to friend 68 C10 step 350/350 3.73 open -- sold

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