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I think what Charlie is asking for is information on convection, conduction and radiation heat tranfer and how we can beat it in our trucks. He brought this up because you proclaimed to have expertise in the area. Everybody wants to keep heat and sound either in or out of our trucks. Under the hood is not what he was referring to, I believe.
Boy what you are asking is a tall order in my book as to what is best to use and when to use it.
If doing a body off retro then you can use a lot of things under side. Just like the spray on one and if using it also on the inside then may not have to use that much. But when using something that is exposed to the elements like water then it has to have a protective top coating that will work with the product you are going to use even if you mix it your self. Same goes if the body does not come off but that means you will have you coating on parts that do not need to be coated but that is about all you can do in that case.
No matter what you do you have to use a product that will stop (encapsulate any rust) unless the underside had been blasted clean and then you just use something like an epoxy primer and then coat with what you want to use as a heat shield and then top coat that for its protection. Top coating is not needed for the inside.
I think I like the spray on type even if you make it yourself as long as you have the correct stuff and correct way to apply it and then do it correct. You can then add what you think would do the best over it if you are in areas that have some really high temps and if so you buy the products like I had listed and use them and then do your interior the way you like. It will also add heat and sound protection.
All that you do as far as insulation goes and getting it as close to right as you can makes all the difference in the world if it is super cold like where some of you live or super hot. You want to be able to cool or heat your ride and then have fun driving all year as long as the SNOW is not deep HA HA. Just leave it parked where it is I would say and bet you agree 100% on that one.
I don't really have much more to say I don't think but I would say before you use anything then I would do some research on the product you want to use or make.
We just ordered a Vintage Air system that according to the company that sales it for them is the best to use in a panel truck. It takes up more space under the dash than the ones for a pickup. What we will have to do if figure a way that looks good to get the air to the back side behind the seats. We think we know how to do that easy if we are lucky we HOPE. Or we will have to figure a good way to send it under the truck with like a booster fan? With the exhaust system that my friend is going to use and I gave to him then the exhaust will run the underside of the running boards so nothing will be under the truck but the drive shaft so lots of room to add what we need just like used in a home heat and air system. Yep we end up with an extra vent hose we can aim where needed.
Well I guess I am done until I do more research on what we are going to try and do or someone comes up with a question I can give a good answer for.
My old saying is to THINK OUTSIDE THE BOX when doing almost anything before you do it. It works real good. Just don't jump into it and then have to start all over again. That is no fun and you are kicking your *** because of it.
I use Google 100% when looking for answers and then the forums and go from them.
Best of luck to us all and please post what you have done and how well it worked or post what didn't work so no one will try it.
Have good one guys and just hope I have answered any questions that have been ask the best I can but I doubt it but at least I tried.
This is a follow up to an old, old thread…..from 2016
I’m trying to figure out what to use for my 68 Panel truck interior walls. My desire is for sound deadening in my tin can, I mean panel truck, so I’d like to hear how this turned out….if the guys are still around.
The method that I use on all my projects is:
- coat the bare metal with KBS Rust Seal to hold out any corrosion
- apply the Lizardskin mixture next, this provides a thermal barrier between the outside of the panel and the inside. I find that two coats on the firewall is optimal.
- apply a layer of Dynamat (or equivalent butyl product), this will dampen the vibrations in the panel to which it is applied...kinda like placing a finger on a cymbal to stop the sound
So now we come to the point where we have protected the metal from rusting, added insulation, and kept the panel from vibrating...the question remains, is this sound deadening? Terms like deadening and dampening get thrown around a lot but what do they really mean? Have you ever been to a multiplex movie theater and wondered how they kept the sound of all the explosions, etc in one auditorium from being heard in the adjacent auditorium? How much of this sound deadening do you want in your truck? You can achieve that level of deadening but it will be expensive! Mass loaded vinyl is what you will need...I won't go into here because I don't think that the average FTE truck owner is that interested in that level of deadening. If you follow the first three steps you will have a truck that is more comfortable and noticeably quieter. Good luck!
interior walls. My desire is for sound deadening in my tin can, I mean panel truck, so I’d like to hear how this turned out….if the guys are still around.
