Glossary

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Z-bar Flashing: Pieces of sheet metal or the like used to cover and protect certain joints and angles, as where a roof comes in contact with a wall or chimney, esp. against leakage.

Zone: Any continuous tract or area that differs in some respect, or is distinguished for some purpose, from adjoining tracts or areas, or within which certain distinctive circumstances exist or are established.

Zone Valve: A device which controls the flow of water or steam to various parts of the building.

Zoning: To divide into zones.