Used to use 3M Body Schutz on the under side of the fenders and floors on all my 32's and Dyna Mat on the inside. Everything's gotten so dam expensive I'm looking for alternatives. Please don't suggest lumber yard foil backed bubble wrap. Some good long lasting heat.& sound deadner for the inside and long lasting under body and fender protection. Thanks
I used Spectrum Second Skin - 20 sq. ft for $99 a gallon.....rolled it on with a 4" foam roller. And Kilmat - 18 sq. ft. for $40. Used both 8 years ago and no problems to date.
I like U-Pol's Raptor bedliner, but as with any under side coating wonder about removal for the next go around. Guess that's the next guy's problem. https://www.raptorliner.com/
I have used Thermotec on several projects but without a back to back comp with Dynamat, I can't say if it's the same or not????
I used the kilmat on my old Deuce sedan and was amazed how well it worked, I expected the kilmat to keep the temperature comfortable when running the heat and air but Brenda and I can talk without yelling which is a big plus. HRP
I've used Fatmat's Rattletrap mat a few times and have been happy with it. Its been in my C10 for about 10yrs and hasnt crumbled or lifted yet. Seems to help keep things quieter so you can talk, but also keeps some of the heat up through the floor. I'll probably buy it again for when the current cars that im working on get to that point, as while its gotten more expensive, its still cheaper than dynamat. i would like to find a good all black mat though instead of the foil so its less noticeable if the interior isnt all finished yet.
Big fan of Kilmat. Basically the same as Dynamat. Used it on my '54's roof and floor. Way more cheaper and it works well..... I used the dirt cheap route on my roadster which was the tried and true Home Depot Peel & Seal but, you stated you don't really want that. It kinda works!.......
Another Vote for KillMat. I Used the 80 mil on the floor, ceiling and double layer on the firewall in my 39 Tudor. I then used a Foil Coated closed cell foam on the floor and ceiling on top of the kill mat and A thick (3/4 inch thick) soft closed cell foam with Mylar foil coating on one side and self adhesive on the other on the firewall. Turned the car from a rolling steel drum to a very solid sounding quiet ride. Between the KillMat and the other insulation stiff i sued it was still half of what it would have cost if I had done it all in Dynamat and works just as good.
Sound deadener in a roadster... reminds me of that scene from Christmas Vacation where Eddie is explaining the piece of government plastic the VA put in his head. But that said, I covered mine in a product I purchased at a stereo install store locally. I can't tell you if it helped much but I could sure use a can of that kitchen lubricant.
I use kilmat and dynamat products on the inside and truck bedliner on the underside. The products work well and have lasted years. Trying some thermo-tec ‘cool-it’ on current roadster but not on road yet so no testament. Cheers.
I paid the price and put dynamat extreme all over the inside of my 29 RPU before having the interior done. I drove it around a few weeks before the upholstery shop wanted it. It made a huge difference and eliminated a lot of "tinny" noises. It got even better after the interior was finished!!! I've heard good stuff about killmat. Is the killmat cheaper than dynamat??
I used Dynamat in my 40 Ford sedan everywhere but haven't done the ceiling yet. I've heard stories of the black goo softening up and running all over in high heat and it's a black car so with the temps down here in the southeast in the summer I'm a little hesitant about putting it up there. I can just see it going liquid and running all over my new white headliner after the interior is finished. I have to do something about up there however I can't make up my mind what to do....
I've used Dynomat, Killmat, Noico and Siless. They are all 80 mil. butyl and neither I nor my customers can tell the difference between them. I just get whichever is cheapest at the time. Never had a problem with any of them,
Siless is something I used on a couple of projects. I only owned them for a couple of years so I may not qualify for a long time user. I have not had anything turn loose with either Siless or Thermotec. I used them on the roof of every project. The roof was either blasted or sanded in each. They all had sat in the summer sun in 100 degree temps in Kansas.
The Jalopy Journal
