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 MIL-HDBK-1001/5A
Vapor retarder. A vapor-resistant layer of material applied to a
surface to prevent vapor flow to a point where it may condense
due to lower temperature.
Vent. Opening designed to convey water vapor, or other gas, from
inside a building or building component to the atmosphere.
Vermiculite. Aggregate used in lightweight insulating concrete,
formed by heating and consequent expansion of mica rock.
Viscoelastic. Characterized by changing mechanical behavior,
from nearly elastic at low temperature to plastic, like a viscous
fluid, at high temperature.
Viscosity. That property of semifluids, fluids, and gases by
which they resist an instantaneous change of shape or arrangement
of parts, the cause of fluid friction whenever adjacent layers of
fluid move with relation to each other.
Walking in. Technique of manually forcing insulation boards
against previously installed boards to tighten the joints and to
embed board into a hot-applied adhesive.
Wood trowel. Term applied to the finish of a structural concrete
deck slab's surface by a manually operated wood float.
Wrinkling.
See Ridging.
CUSTODIAN
PREPARING ACTIVITY
NAVY - YD2
NAVY - YD2
PROJECT NO.
FACR-1171
82
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