Water Enters Rooftop Duct or a Louver Plenum

Water is entering this rooftop duct/plenum. I traced the wet area past the nearest joint and checked the temporary cap, louver, curb, and roof interface. Do you want the system opened for a full water-path inspection before the exterior repair is made?

Grease Duct, Kitchen & Industrial Exhaust 2nd Year YELLOW

Stop if

Stop before changing specialty exhaust, fire/life-safety work, shutdown conditions, controls, structural support, waterproofing, manufacturer-specific requirements, or occupied-space protection without the responsible direction.

Watch out

Do not trap water inside the assembly by sealing over wet insulation or blocking a designed drain path.

Check

current drawings and affected system tags
grid/location and measured conditions
photos showing the conflict or temporary condition
relevant equipment, hood, controls, roofing, or store information
what has already been checked

Say this to your foreman

water enters rooftop duct or a louver plenum water enters rooftop duct louver plenum rain leak exterior air wet insulation find the entry path and protect the system before sealing the first visible wet joint. check temporary openings, louver and hood orientation, flashing interfaces, curb or plenum details, sealant condition, drain paths, and water carried from another trade or higher roof area. water is entering this rooftop duct/plenum. i traced the wet area past the nearest joint and checked the temporary cap, louver, curb, and roof interface. do you want the system opened for a full water-path inspection before the exterior repair is made?

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