A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Valley Gutter
A channel used to carry off water, normally from roofs of multi-gabled buildings.
Vapor Barrier
Material used to retard the flow of vapor or moisture into walls and roofs and thus prevent condensation within them.
Ventilation
The process of changing the air within a building.
Ventilator
A means of providing air changes within a building.
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