Running Range Hood Ductwork Through Floor Joists Above

Make sure the studs and bays line up well enough to leave a clear path.

Running range hood ductwork through floor joists above.

The joints are sealed with butyl adhesive aluminum tape. Viking gas cooktop and i believe it is a 400 cfm hood. 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. Range exhaust ducts can be tricky to run through framing and out through a wall or the roof.

X 3 1 4 in. 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. I understand that the maximum size hole i can put through a 9 floor joist is 3. There is a large attic above.

The home is a daylight ranch so the kitchen is on the second top floor. 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. The duct work was going to run through the joists in the ceiling and out. 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 prior hood called for. But if i add a 5 booster fan would it be possible to retain proper air flow and route this duct through the joist. This project is already over budget and i do not think i have any more to give to stucco repair if the overhang were to be removed. Ducts should be able to run between studs in the wall and then turn into a joist bay the space between two joists.

We purchased a 36 quot. The edge of the joist is 1 25 from the exact center of the 8 round duct.