[T2] [Q] Heat Resistant Foam

[david raistrick]

personally i insulate the engine compartment on the passenger side of the metal.    not inside where it gets exposed to oil and dirt etc.

so on top of the wayback floor, and down the front (fif) of the fuel tank wall and over the front of the trans.  (the vertical ish wall behind the rear seat)


probably harder to do in SC and DC buses but.....




--
Sent from my random mobile device of the week

> On May 10, 2018, at 1:33 PM, David C Matthews <dcm7293 at gmail.com> wrote:
> 
> Also working on the engine compartment and thinking about how to insulate
> the ceiling. Noticed on an unrelated project that spray-able foams (i.e.
> Great Stuff) do not stick to plastic. That means you can use plastic to
> provide an expansion barrier when applying foam, peeling off the plastic
> once the foam is cured.
> 
> Applying this technique to the ceiling of the engine compartment, plan on
> temporarily attaching plastic drop cloth to the ribbing (probably with
> rubber cement). Foam will then be squirted into the "mold" by poking the
> application nozzle through the plastic. Once cured, the plastic will be
> peeled and the rubber cement scrubbed off.
> 
> The question is whether the fire-block types of foam will provide the
> necessary thermal characteristics. Found two fire-block types of spray-able
> foam, and they each are supposed to handle temperatures up to 240-250
> degrees F.
> 
> Is that sufficient?
> 
> Have not put a thermometer in the engine compartment (yet).
> 
> David
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