Article: Fire-classified floor boxes eliminate the need for spray-applied insulation.(Wiremold Co.)(Brief article)

Staff

Metallic and nonmetallic floor boxes preserve the fire rating of a concrete slab without the need for spray-applied insulation. Wiremold fire-classified floor boxes are UL tested and shown not to impact a floor's fire rating. They eliminate uncertainty concerning the location and amount of insulation to be applied, and also increase installation efficiency.

Unlike conventional floor boxes, Wiremold fire-classified floor boxes have conduit stubs that extend downward, penetrating the steel decking into the space below. The stems of ...

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