Running Range Hood Ductwork Through Floor Joists Above

But if i add a 5 booster fan would it be possible to retain proper air flow and route this duct through the joist.

Running range hood ductwork through floor joists above.

Ducts should be able to run between studs in the wall and then turn into a joist bay the space between two joists. I understand that the maximum size hole i can put through a 9 floor joist is 3. Range exhaust ducts can be tricky to run through framing and out through a wall or the roof. The ductwork is either 5 or 6 inches in diameter and even though most ceiling joists are 2 x 10s cutting a 5 or 6 inch diameter hole in either of these size joists.

The edge of the joist is 1 25 from the exact center of the 8 round duct. Make sure the studs and bays line up well enough to leave a clear path. The duct work was going to run through the joists in the ceiling and out. There was an under cabinet range hood before ducted through to the roof and it went through the drywall at an angle and somehow worked.

There is a large attic above. Exhaust duct run through the wall routes range hood exahust air down into the first floor joist cavity. Mounting the bottom of the hood 6 0 above the floor so that taller individuals aren t constantly bumping their head and exposing the 4 hood extension the remaining mechanics can be concealed within a 12 high cabinet panel or a 16 cabinet panel if an 8 diameter duct is used. X 3 1 4 in.

The home is a daylight ranch so the kitchen is on the second top floor. And you can t cut holes in the joists for the ductwork either. The joints are sealed with butyl adhesive aluminum tape. Viking gas cooktop and i believe it is a 400 cfm hood.

The prior hood called for. If you are adding a new range hood over your stove and plan to vent it out through the roof you will need to get an adequately sized duct that will run all the way up through the ceiling into the attic and all the way up through the rooftop where it will be connected to your roof top vent.