We have put together probably one of the most comprehensive pole building glossaries found on the internet today. And if you are like most people, if you can't see it, you still don't understand it very well.

If there is any pole building term you still don't understand, or one not yet listed here, please use the Contact Us page to email us. We will be glad to send drawings or pictures for illustration.

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V
Vapor Retarder:	A material having a permeance rating of 1.0 perm or less, when tested in accordance with ASTM E 96, such as foil, plastic sheeting, or insulation facing. Installed to resist the transmission of water vapor through the exterior envelope.
Varge:	Flat surface (or covering) located at the outer edge of a roof endwall overhang.
Vaulted Truss (or Scissor Truss):	Roof truss designed with a bottom chord sloping upwards to an interior peak at the center of the building. Allows for increased clearance as the center of the building is approached. May require a steeper than standard exterior roof slope.
Vented Ridge:	Allows warm, moist air to escape from the building through the peak of the building, providing an adequate air intake (e.g. gable or eave vents) is provided.
Ventilation:	The natural or mechanical process of supplying conditioned or unconditioned air to, or removing such air from, any space.