Grease Kitchen Exhaust Duct On Roof

While not part of the code an exhaust system must be cleaned to remove combustable grease.

Grease kitchen exhaust duct on roof.

Action duct is certified by the international kitchen exhaust cleaning association ikeca. Over 80 of food industry facilities have roof deterioration due to exhaust fan discharge. Finally install the hood. A fan is to be hinged so the fan and duct can be cleaned of the grease.

The grease and oil released from roof top kitchen exhaust fans is detrimental to almost any roof membrane. 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. Show the grease duct exhaust fan to be a minimum 10 foot above grade. Show the exhaust fan termination to be a minimum 40 inches above the roof.

Cut the hole for the duct attach it then install the roof cap. Commercial kitchen exhaust fans for a complete ventilation system that keeps your entire building comfortable and balanced look to accurex. If you have a commercial cooking operation rooftop grease damage is something that needs to be dealt with. Driploc rooftop 360 grease containment system.

Sheet metal screws and seal the seams with aluminum faced duct tape not regular cloth backed duct tape. Screw the ductwork together with 1 4 in. This creates a deadly fire hazard and liability for your business. Our comprehensive line of durable exhaust fans will help you complete a fully integrated low maintenance ventilation system that simply works.

Fats oils and grease are discharged from your upblast hood exhaust fan and collects on your roof. Grease duct installed outside of the building shall be protected against accidental damage or vandalism. If you live in an area where frost occurs add an insulated duct sleeve to the portion of pipe in the attic. Now think about doing that at 2 00 am ice on the roof.

Exhaust fan grease traps 1. However there are certain situations that call for extra roof maintenance such as roof systems that house grease emitting exhaust fans. Grease duct to the type 1 hood and exhaust fan. 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.

Back to the code. The reason that kitchen exhaust ducts are prohibited from passing through fire walls is. Support vertically installed grease duct from the building structure using rigid structural supports. Improper grease exhaust cleaning can pose extreme risks as described in this article by catersource.

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. 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.