Grease Kitchen Exhaust Duct On Roof

Grease duct to the type 1 hood and exhaust fan.

Grease kitchen exhaust duct on roof.

The reason that kitchen exhaust ducts are prohibited from passing through fire walls is. Fats oils and grease are discharged from your upblast hood exhaust fan and collects on your roof. Show the exhaust fan termination to be a minimum 40 inches above the roof. The grease and oil released from roof top kitchen exhaust fans is detrimental to almost any roof membrane.

If you have a commercial cooking operation rooftop grease damage is something that needs to be dealt with. Commercial kitchen exhaust fans for a complete ventilation system that keeps your entire building comfortable and balanced look to accurex. Driploc rooftop 360 grease containment system. Verify that the location will not be a public nuisance or create problems in general due to the location direction or nature of the exhaust.

1 you cannot provide a damper in a kitchen exhaust system due to the operating temperatures. Support vertically installed grease duct from the building structure using rigid structural supports. Screw the ductwork together with 1 4 in. This creates a deadly fire hazard and liability for your business.

Improper grease exhaust cleaning can pose extreme risks as described in this article by catersource. If that duct is away from the building how far would be comfortble leaning over the edge of the building. However there are certain situations that call for extra roof maintenance such as roof systems that house grease emitting exhaust fans. If you live in an area where frost occurs add an insulated duct sleeve to the portion of pipe in the attic.

Sheet metal screws and seal the seams with aluminum faced duct tape not regular cloth backed duct tape. Over 80 of food industry facilities have roof deterioration due to exhaust fan discharge. Cut the hole for the duct attach it then install the roof cap. A fan is to be hinged so the fan and duct can be cleaned of the grease.

View all grease duct access doors ductmate grease duct access doors flame gard grease duct access doors omni grease duct access doors general air duct access doors access door accessories. Therefore if the duct is compromised for whatever reason a passage for fire extension from one side of the wall to the other is created. Back to the code. Finally install the hood.

Action duct is certified by the international kitchen exhaust cleaning association ikeca. Exhaust fan grease traps 1. Show the grease duct exhaust fan to be a minimum 10 foot above grade. Ikeca members are committed to a thorough cleaning of the entire exhaust system from the hood in the kitchen to the fan on the roof.

Grease duct installed outside of the building shall be protected against accidental damage or vandalism. Also since your business can be held responsible for polluted storm water systems and grease runoff rooftop grease containment is something you need to control.