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 Renault Fluence - Paper Board For Soundproofing?

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aaron1717
post Nov 19 2015, 12:57 PM

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After all, every buyers also will have their opinion on other cars... no point debating on who or why ppl buy... juz like honda buyers will criticize toyota buyers... nissan criticize the mazda buyers.... no end on this loop.... everyone always deem to assume the decision they made are the best and perfect as they had owned that particular car.... no point debate on which car is the best after all.... just my 2 cents....
SKYjack
post Nov 19 2015, 01:33 PM

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QUOTE(aaron1717 @ Nov 19 2015, 12:57 PM)
After all, every buyers also will have their opinion on other cars... no point debating on who or why ppl buy... juz like honda buyers will criticize toyota buyers... nissan criticize the mazda buyers.... no end on this loop.... everyone always deem to assume the decision they made are the best and perfect as they had owned that particular car.... no point debate on which car is the best after all.... just my 2 cents....
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Perfect answer. Everyone is free to make his/her own choice! The choice is usually based on issues that appeal to the buyer!

You are right, no point in debating which is a better car. Better car for who?
Volkswagen2
post Nov 19 2015, 02:05 PM

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QUOTE(zweimmk @ Nov 18 2015, 11:56 AM)
Actually that's not true. Comparatively speaking - stock to stock on a rainy day - comparing a typical Japanese sedan vs the Passat. Most mainstream Japanese car roof are just bare metal with a thin piece of headliner, so the roof really does sound like those zinc roof houses... very noisy. The Passat had corrugated cardbox pieces in between and a thick headliner piece so noise was also naturally a lot less so...

And when you factor in the prices - if we assume RM100 is the cost of soundproofing per car vs RM10 for cardboard pieces, the savings is rather substantial when you look at the number of cards they produce every year.
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In economics sense, an additional RM90 may be "a lot" for the car manufacturer, but if they cannot spend that additional RM90, then might as well not spend RM5-10 on a piece of cardboard that won't bring any noticeable difference to the roof, if any.

What is a headliner? Although the Passat (or Jetta) has cardbox pieces on the roof, it is not only the carboard isn't it, but some soundproofing material stuck on the piece of cardboard. Just like the stock soundproofing of the BMW as shown in the photos. The cardboard may act as a support for the insulation sheets in the soundproofing of the car. If just the cardboard alone, the effects will be almost negligible.

May I ask what soundproofing material have you used for the roof of your Passat in place of the stock soundproofing of the car? Is there any tangible improvement in the soundproofing after you have done it?

This post has been edited by Volkswagen2: Nov 19 2015, 02:10 PM
zweimmk
post Nov 19 2015, 07:33 PM

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QUOTE(Volkswagen2 @ Nov 19 2015, 02:05 PM)
In economics sense, an additional RM90 may be "a lot" for the car manufacturer, but if they cannot spend that additional RM90, then might as well not spend RM5-10 on a piece of cardboard that won't bring any noticeable difference to the roof, if any.

What is a headliner? Although the Passat (or Jetta) has cardbox pieces on the roof, it is not only the carboard isn't it, but some soundproofing material stuck on the piece of cardboard. Just like the stock soundproofing of the BMW as shown in the photos. The cardboard may act as a support for the insulation sheets in the soundproofing of the car. If just the cardboard alone, the effects will be almost negligible.

May I ask what soundproofing material have you used for the roof of your Passat in place of the stock soundproofing of the car? Is there any tangible improvement in the soundproofing after you have done it?
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It's a mainstream car, there's no reason to spend more than they should. The profit on mainstream cars are low enough as it is.

The headliner is actually the immediate ceiling where you can touch, it's actually a combination of the plastic frame, the cotton or leather cover and a thick or thin piece of foam inside that covers the metal ceiling, so the corrugated cardboard piece acts as insulation.

So what I have now is a vibration dampening mat that is pasted on bare metal roof sheet, the stock corrugated cardboard piece is placed between the dampening mat and another piece of heat and noise insulating foam layer and finally covered by the headliner. Needless to say, the noise from heavy raindrops is more drastically muted and surprisingly there is a noticeable improvement to the bass of the audio and the overall audio quality. Using a sound meter registered about 2 to 3 dBA drop in ambient noise.
kadajawi
post Nov 21 2015, 07:28 AM

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QUOTE(SportyHandling @ Nov 19 2015, 08:21 AM)
It is peculiar that this model from Renault although French, is not being sold in Europe but rather in some Latin American countries, Middle East, North Africa, Egypt, China, Mexico and lastly, Malaysia. In other words, it is not an international model despite the car coming from an established car manufacturer such as Renault. Perhaps it is a budget car aimed for specific (not-so-demanding) markets.

The car is very rare on our roads though I have seen one or two Fluence earlier this year. The back of the car looks out-of-proportion and weird. Coming out from Tan Chong, not sure if the car is further stripped down in some areas, as what that was shown here.
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Er. They did sell it in Germany, but since no one wants a C segment sedan in Germany they stopped. They do sell it in Southern Europe, where people do buy it. I've seen quite a few in Spain.

Also, it is basically a Megane sedan. Just like the Jetta is a Golf sedan. They only gave it a new name.

Calling it a Korean car is plain wrong. It is built there, but the design and engineering is from Europe.

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