Author Topic: Extruded vs. Expanded Polystyrene for Benchwork  (Read 5435 times)

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Nelson

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Re: Extruded vs. Expanded Polystyrene for Benchwork
« Reply #15 on: August 10, 2008, 07:24:39 PM »
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You can get the extruded foam with or without a flame-retardant additive.

Yes, this was printed on the sheet in the photo:

"FOAMULAR insulation is combustible, but contains a flame retardant additive to inhibit accidental ignition from small fire sources.  During shipping, storage, installation and use, this material should not be exposed to flame or other ignition sources."

I do not think the Foamular (Owens-Corning brand) is made without the flame retardant, at least I have never seen it.