No. of Recommendations: 1
? i just had a new room built, and the contractors used styrofoam as insulation between the floor of the new room and the ceiling of the room below it. there are spotlights in the ceiling, which were installed by cutting holes into the styrofoam.

Check with the fire dept about the building codes. Styrofoam insulation is fire rated the same as whatever covers it. If it's exposed where the light fixture touches, it is (or should be) a code violation and the contractor will have to fix it. If the code is goofy you will have to fix it at your own expense.

When exposed to open flame styrofoam warms for 2 - 3 minutes and then bursts into flame. It is completely consumed in about 6 minutes. Tests have been done by various outfits and they always describe the process in almost those same words and numbers.
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