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Discussion Starter · #1 ·
As the title says, I decided to check under the carpet and found that the middle part of the styrofoam where the tools are located have simply MELTED, including my safety triangle which is mandatory here in Belgium. See pictures attached.

What do I do? Do I buy some kind of metal plate to stop this from happening? I really don't know where to start with this mess.
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Discussion Starter · #2 ·
Styrofoam is a trade name of expanded polystyrene (EPS), therefore its softening temperature range is that of PS, which is around 240 deg C. Actually, this is the temperature that PS softens and becomes fluid, as there is no melting point or range for PS because it is not a crystalline polymer. Melting is a phenomenon specific to crystalline polymers in which the crystalline phase of the bulk polymer rapidly changes to amorphous and it becomes melt. This scenario doesn’t occur for PS and generally for amorphous polymers.

Many years ago (late 70’s) a doctor wrote a letter to the New England Journal of Medicine stating that when he put lemon in his tea in a styrofoam cup, the cup wall melted or dissolved. This letter to the editor ignited a many years media story line of polystyrene dissolves into food. But it was not true.

Therefore, I do not use Styrofoam container in a MW oven to heat foodstuff containing oil. But, I may use MW oven for a limited time (e.g., 5 or 10 sec) to warm up a cup of tea when it was cooled down.
thanks jon
 

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Get some sort of heat shield installed. I'm guessing it's a muffler heating up the trunk floor? DEI makes really nice products but there are probably local suppliers of similar products closer to you.
Something like this:
 

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Yea it shouldn't be getting that hot. Definitely look in to some kind of heat shield for under the car where that is. It has to be from the exhaust.
 

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As the title says, I decided to check under the carpet and found that the middle part of the styrofoam where the tools are located have simply MELTED, including my safety triangle which is mandatory here in Belgium. See pictures attached.

What do I do? Do I buy some kind of metal plate to stop this from happening? I really don't know where to start with this mess.
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You probably have aftermarket muffler and possible its too close to the trunk floor than original and possible not insulated as well as the OEM, so just look underneath and see if there is enough gap for air to freely go through and see if there is enough space to install some kind of shield, other wise possibly it could caused fire...
 

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You could get some header heat wrap and wrap up that area making sure there is some gap in between muffler and underbody
 
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