Katy Home Inspection – RedStar Professional Home Inspectors
Your home inspector glossary for Katy home inspections and surrounding Houston areas.
Glossary – V
Valley: The internal angle formed by the intersection of tow sloping roof planes.
Valve: Device in a heating or plumbing system that controls the flow of a liquid or gas.
Vapor Barrier: Any material used to prevent the passage of water vapor.
Vaporize: To convert liquid into a gas, usually by application of heat.
Vault: A continuous length of arched ceiling.
Vent: Any outlet for air that protrudes through the roof deck such as a pipe or stack. Any device installed on the roof, gable or soffit for the purpose of ventilating the underside of the roof deck.
Ventilation: The circulation of air in a room or building; a process of changing the air in a room by natural or artificial means.
Vent Pipe: A small pipe that extends from plumbing fixtures to a vent stack in the roof, allowing sewer gases to escape to the outer air.
Vent Sleeve: See Collar
Vent Stack: Pipe that rids plumbing system of sewer gas and prevents pressure buildup in pipes.
Vestibule: A small entrance hall to a building or room.
Vinyl: A man-made plastic material.
Volt: Unit of measurement denoting electrical pressure or potential (usually abbreviated V).