Wall Mount Range Hood Vent

Here we have chosen to rout the vent through an exterior wall. You may find it easier to run the vent through the roof. Mark the area you need to remove above your stove. Your hood may have come with a template for this. If not, hold your hood up to where it will be mounted and trace the area of your wall and trace inside the cut-out area intended for the vent. 

Next, cut around the area you just outlined with a Multi-Max tool and an MM452 Wood/Drywall & Metal Saw Blade. Once your cut is complete, remove the cut drywall and underlying insulation to expose the exterior wall.

It is easiest to cut the exterior wall from outside. Locate your cut on the exterior wall by drilling holes in the corners of the vent hole from the inside. Ensure there is nothing on the outside of the house that you could hit with your drill before getting started. Once you are ready to cut use the Dremel Multi-Max tool with the MM452 Blade once again. Cutting thick exterior wall substrate can be challenging.

Measure the length of vent you need to run. You may find that you need to cut the vent to length. This is easy with a Dremel SM20 mounted with an SM510C Metal Cut-Off Wheel. Mark your length of cut and work the tool slowly through the material.

With the vent hole complete, finish installing vent hardware and exhaust fan. Install flashings and caulk on the exterior of the vent to seal against moisture. SAFETY TIP: Adhere to local codes and take all necessary safety precautions when wiring your new range hood.