Definition of the term Vertical
Being or situated at right angles to the horizon; upright.
Being or situated at right angles to the horizon; upright.
An aggregate somewhat similar to perlite that is used as an aggregate in lightweight roof decks and deck fills. It is formed from mica, a hydrous silicate with the ability of expanding on heating to form lightweight material with insulation…
The process of installing roof vents in a roof assembly to relieve vapor pressure. The process of water in the insulation course of the roof assembly evaporating and exiting via the roof vents.
Device installed on the roof for the purpose of ventilating the interior of the building.
In plumbing, a system to provide a flow of air to or from a drainage system or to provide circulation of air within such system to protect traps seals from siphonage and back pressure.
A vertical vent pipe installed for the purpose of providing circulation of air to and from any part of a drainage system.
A vertical pipe of relatively small dimensions which protrudes through a roof to provide for the ventilation of gasses.
A pipe or duct which allows flow of air as an inlet or outlet.
Thin sheets of wood made by rotary cutting or slicing a log.
In roofing, the characteristic lines or "stretch marks" which develop during the aging process of soft bitumens.