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 ...

When it comes to floors, the same kind of foam can be applied on top of the existing floor, even over most kinds of smooth flooring. Fasten a layer of 5/8” or 3/4” plywood on top, anchor this ...