Ventilate: An insulation contractor can calculate the ventilation your crawl space needs and will cut in new vents as required. Seal the subfloor: Holes for electrical wiring and plumbing should be sealed with spray foam insulation. Insulate plumbing pipes and HVAC ducts to prevent heat loss and freezing.
Definition of metal 1) An element below and to the left of the stepwise division (metalloids) in the upper right corner of the periodic table; about 80% of the known elements are metals. Was this definition helpful? Tweet
1 Chemical elements or alloys, and the mines where their ores come from. 2  Any of a number of chemical elements in the periodic table that form a metallic bond with other metal atoms; generally shiny, somewhat malleable and hard, often a conductor of heat and electricity.