Grease Kitchen Exhaust Duct On Roof

Show the exhaust fan termination to be a minimum 40 inches above the roof.

Grease kitchen exhaust duct on roof.

Driploc rooftop 360 grease containment system. Exhaust fan grease traps 1. If that duct is away from the building how far would be comfortble leaning over the edge of the building. Grease duct to the type 1 hood and exhaust fan.

Improper grease exhaust cleaning can pose extreme risks as described in this article by catersource. A fan is to be hinged so the fan and duct can be cleaned of the grease. This creates a deadly fire hazard and liability for your business. Commercial kitchen exhaust fans for a complete ventilation system that keeps your entire building comfortable and balanced look to accurex.

However there are certain situations that call for extra roof maintenance such as roof systems that house grease emitting exhaust fans. If you have a commercial cooking operation rooftop grease damage is something that needs to be dealt with. 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. 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.

Show the grease duct exhaust fan to be a minimum 10 foot above grade. The reason that kitchen exhaust ducts are prohibited from passing through fire walls is. The grease and oil released from roof top kitchen exhaust fans is detrimental to almost any roof membrane. Support vertically installed grease duct from the building structure using rigid structural supports.

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. Finally install the hood. 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.

Back to the code. Screw the ductwork together with 1 4 in. Grease duct installed outside of the building shall be protected against accidental damage or vandalism. Now think about doing that at 2 00 am ice on the roof.

If you live in an area where frost occurs add an insulated duct sleeve to the portion of pipe in the attic. Our comprehensive line of durable exhaust fans will help you complete a fully integrated low maintenance ventilation system that simply works. Cut the hole for the duct attach it then install the roof cap. While not part of the code an exhaust system must be cleaned to remove combustable grease.

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.