Standard Kitchen Duct On Roof

Ducts come in several sizes for range hoods.

Standard kitchen duct on roof.

Hood static pressure loss in. Kitchen exhaust systems can be as different as the kitchens they serve. Ommercial kitchen ventilation ckv design must consider every. Sheet metal screws and seal the seams with aluminum faced duct tape not regular cloth backed duct tape.

Grease hood duct should not be lined. Standard up blast power roof ventilators prv up to 2 in. Every commercial kitchen exhaust hood ventilation system is available with pre piped fire suppression if you have any questions relating to roof curbs installation or any other exhaust hood questions you can contact a hoodmart professional at any time using our chat portal or by calling 1 800 715 1014. Fire in kitchen spreading into duct and then fire in duct spreading breaking out to another area.

Hopefully this kitchen exhaust duct sizing guide helps provide some answers and insight about choosing and planning out the size of your duct and how you will run it. Cut the hole for the duct attach it then install the roof cap. A fire within the. If you live in an area where frost occurs add an insulated duct sleeve to the portion of pipe in the attic.

The relevant standard which forms the basis for the california ventilation code is ashrae standard 62 2 2007. Standard range hood duct sizes. Screw the ductwork together with 1 4 in. Should the hood duct connection fall under a beam or a bar joist request that the hood duct collar be shipped for on site.

Fire spreads to grease on rooftop fire spreads to other systems fire breaks out in kitchen fire spreads into exhaust ductwork fire breaks out at fan in plantroom burning grease leaks out of duct joins plantroom figure 2. Finally install the hood. Imok2 the lining in your link if for the makeup air supply. If you have any questions please feel free to give us a call at 877 901 5530.

California requires kitchen ventilation in all new construction and remodels and even if your local authorities don t require it you should address it anyway. Minimum duct sizes and recommended duct sizes are based on the cubic feet per minute rating of the duct fan. 7 8 2 1 rooftop termination shall be arranged with or provided with the following.