Z-bar Flashing - Bent, galvanized, metal flashing installed above a horizontal trim board of an exterior window, door, or brick run; prevents water from getting behind the trim/brick and into the home.
Z-Ridge™ - A product designed to cover the ridge line of a roof, designed by Elk Roofing Products®; gives the roof lines more character.
Zone - The section of a building that is served by one heating or cooling loop because it has noticeably distinct heating or cooling needs; also, the section of property that will be watered from a lawn sprinkler system.
Zone Valve - A device, usually placed near the heater or cooler, which controls the flow of water or steam to parts of the building; it is controlled by a zone thermostat.
Zoning - A governmental process and specification which limits the use of a property (e.g., single family use, high rise residential use, industrial use, etc.); zoning laws may limit where a structure may be located.