I've had similar a thought I would like to know also
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Seth, I understand where your coming from, as vinyl does seem hard, and possibly sound radiant. But, in fact, the opposite is true.
Vinyl is made from PVC resin, and varies in density and hardness throught the use of Plasticizer. By blending a variety of additives, modifiers and stabilisers, and adding plasticiser, you can make soft to very hard Vinyl, but it will always be a mixture of PVC resin and the other chemicals mentioned - and as such, will never be a good sound conductor.
However, my greatest concern would be the same as Safaridan - water getting trapped under the vinyl. It would not dry out well, and would more than likely create an ideal environment for mold and rot to party, and poo you out man.
😷
Vinyl is made from PVC resin, and varies in density and hardness throught the use of Plasticizer. By blending a variety of additives, modifiers and stabilisers, and adding plasticiser, you can make soft to very hard Vinyl, but it will always be a mixture of PVC resin and the other chemicals mentioned - and as such, will never be a good sound conductor.
However, my greatest concern would be the same as Safaridan - water getting trapped under the vinyl. It would not dry out well, and would more than likely create an ideal environment for mold and rot to party, and poo you out man.
😷
On the water front, i don't see a big difference, other than yes it may breathe a bit better and possible dry out on its own. Either way, when you drown a car, you need to pull the carpet and hose it down so it wont stink. Using a closed cell foam as underlay rather than felt will help prevent mould smell from moisture build up.
As for noise, I agree that vinyl can help prevent sound transfer, however its an acoustically reflective surface. Simply put it acts as an amphitheatre by reflecting noise inside the cabin which makes it sound loud. Yes, being acoustically reflective is great for being a sound barrier, but what you need is both! An absorbent sound barrier! So, the solution here is cover %30 of each pane (that's all you need) with vinyl deadened, put down a complete layer of closed cell foam, then lay the carpet. You have now have the best of both words acoustically.
These are what i used, the result was great. I have used all the expensive stuff from DynaMat when i used to be into SPL battles, there is no difference (Except for the resonance pads the have for door internals which are very good).
As for noise, I agree that vinyl can help prevent sound transfer, however its an acoustically reflective surface. Simply put it acts as an amphitheatre by reflecting noise inside the cabin which makes it sound loud. Yes, being acoustically reflective is great for being a sound barrier, but what you need is both! An absorbent sound barrier! So, the solution here is cover %30 of each pane (that's all you need) with vinyl deadened, put down a complete layer of closed cell foam, then lay the carpet. You have now have the best of both words acoustically.
These are what i used, the result was great. I have used all the expensive stuff from DynaMat when i used to be into SPL battles, there is no difference (Except for the resonance pads the have for door internals which are very good).
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