what are you using for coating panels / undercoating / sound deadening

[Chef818]

I was starting the aluminum panel instal and was wondering what other people are using to paint / undercoat / sound deadening, thanks

[Railroad]

I will be watching this. I have read some of the build threads, but have not locked down either product.
I am leaning toward painted panels that are not already powder coated. I have not researched the heat/sound barriers yet.
I think the spray on may be more economical, but may have to sub in some peel and stick for certain areas.
I would also be interested in a brand or option on the silicone used under the panels. I am still doing inventory, but can't help planning ahead.

[Hindsight]

I'm not running any sound deadening because on an open-top car, with an engine and a turbo right behind your ear, it's not going to be quiet no matter how much sound deadening you add and it's going to be expensive.

I painted my aluminum panels black. I'll be coating the under side of the fiberglass panels at some point, but that's more for aesthetics than sound deadening. There has been a lot of discussion about this here (I even started a thread on it a while back). People have used bead liners, undercoat, and products like lizard skin. Some use roll-on, and some use spray on. Everyone reports good results with all of them.

[6t8dart]

SHarkhide on the outside, using Dynamat Extreme on the inside, and some Eastwood Sound (similar to dyamat) deadener in low heat areas, I also am using high temp DEI stick on barrier next to headers and exhaust on the outside.

[Canadian818]

I painted all my with endura, which is really durable paint. However if I had my time back I would've installed all my panels in bare aluminum and then used bed liner and saved a ton of time.

[STiPWRD]

I'm not running any sound deadening because on an open-top car, with an engine and a turbo right behind your ear, it's not going to be quiet no matter how much sound deadening you add and it's going to be expensive.
Sound deadening material also helps with vibration control and reducing panel rattling.

I used 50 sq. ft. of FatMat sound control (no logo) on the inside:
http://www.ebay.com/itm/FatMat-50-SqFt-No-Logo-Sound-Deadener-For-Cars-Trucks-Free-Dynamat-Sample-/190736907760?hash=item2c68ce3df0:m:mdtBIjyOw1xvxTA inwmsABA&vxp=mtr

And painted the bottom of the floor aluminum with spray on bed liner from Advance auto.

[redfogo]

I used some hushmat mostly because I read that asphalt base materials can be bad for your health. It also seems to get some good reviews seems to be holding up great so far for me. I didn't really buy it to remove crazy amount of sound I just didnt want to listen to aluminum paneling rattling while I was enjoying the sounds of a turbo.

http://stereochamp.com/fatmat-vs-dynamat-vs-hushmat-vs-peel-and-seal/

[GoDadGo]

UPOL's Raptor Bed Liner Works Great For Undercoating, Coating The Back Side Of The Body & Sound Deadening!

1. The material is a two part polyurethane that can be sprayed, rolled or brushed on.
2. Most kits come with an easy to use spray gun.
3. Colors offered are many, including black.
4. Different textures can be created by varying the distance and pressure during the application process.
5. Looks Very Professional If Sprayed On With Good Technique!

Hope This Helps!

[wleehendrick]

I'm using 3M rubberized undercoat; it's relatively inexpensive and goes on easy. I can't vouch for it's effectiveness, but it makes the inside of the panels look much nicer.

https://www.amazon.com/3M-03584-Professional-Rubberized-Undercoating/dp/B002H9CMCQ

https://images-na.ssl-images-amazon.com/images/G/01/aplusautomation/vendorimages3m-professional-grade-rubberized-undercoating-03584._CB337316347_.jpg

[flynntuna]

I'm using 3M rubberized undercoat; it's relatively inexpensive and goes on easy. I can't vouch for it's effectiveness, but it makes the inside of the panels look much nicer.

https://www.amazon.com/3M-03584-Professional-Rubberized-Undercoating/dp/B002H9CMCQ

https://images-na.ssl-images-amazon.com/images/G/01/aplusautomation/vendorimages3m-professional-grade-rubberized-undercoating-03584._CB337316347_.jpg

Lee, what kind of coverage did you get with each can?

[wleehendrick]

Lee, what kind of coverage did you get with each can?

For 2 coats, maybe 10 sq ft or so... depends on how thick you lay it on, of course.

[wleehendrick]

Also, I sanded the surfaces and wiped with acetone prior to applying; that seems to result in good adhesion.

[Hindsight]

Lee, how does that stuff hold up to heat, like under the engine cover? I have a couple cans of it that I plan on using for the splash guards.

[wleehendrick]

Lee, how does that stuff hold up to heat, like under the engine cover? I have a couple cans of it that I plan on using for the splash guards.

Dunno... haven't started the car or mounted the body yet! I used it on the front of the firewall and on some body panels that I've worked ahead on. My only real concern would be the engine cover; I have Kurk's side scoops and Craig's hump vents, so hopefully the increased airflow will keep it cool enough that it doesn't get soft or gummy.

[billjr212]

Lee, how does that stuff hold up to heat, like under the engine cover? I have a couple cans of it that I plan on using for the splash guards.

I used the same stuff including on the underside of the engine cover. 1 year and 3000 miles in, no issues.

[Ray]

This: http://www.herculiner.com/index.php

Rolled it on the exposed fiberglass on our Roadster but not the aluminum panels.

Ray

[Aceflo]

I've used UPOL's Raptor on my 1974 Bronco project. It is one of the easiest and good looking products out there to spray/roll/brush. I used it as an undercoat, inside coat, bumper and nerf bar coating, and my hardtop outside coat. The stuff is great at sticking and you can definitely get different affects with the product. However, it dries as a hard "plastic-like" finish, and I don't feel like it has done much sound deadening. It definitely has held up under constant year around weather, engine heat, kicked up rocks, and other.

I'm currently using Lizard skin on my GTM. This was a choice made by starting owner of the project. So far, I like the finish that it leaves, and it goes on pretty easily. Time will tell how good it does on killing sound. I will also be using a heat and sound deadening roll on material under the carpets, seats, etc.

[flynntuna]

Has anyone have any experience with Dupi-Color clear bed liner?

http://duplicolor.com/product/clear-truck-bed-coating

[STiPWRD]

Has anyone have any experience with Dupi-Color clear bed liner?

http://duplicolor.com/product/clear-truck-bed-coating

I used the spray-on version to cover the underside of some of the aluminum floor panels. Be sure to scuff the aluminum and wipe with isopropyl. You have to let it cure for a few days but it seems to be fairly scratch resistant.