waste vent

waste vent

[′wāst ‚vent]
(engineering)

stack vent

stack vent, 1
1. The extension (to the open air) of a soil or waste stack above the highest horizontal branch drain or fixture branch connected to the stack. Also called a soil vent or waste vent.
2. In built-up roofing systems, a vertical outlet permitting water vapor, which is entrapped within the insulation, to escape.
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Tenders are invited for Welcome Maintenance And Repiars To Steel Window Ventilator Gi Ci Soil Waste Vent Pipe And Certain Misc Work In A B C Or Type Qtrs And Nai Area At Drdo Township Kanchanbagh Hyderabad