First you ll partially block your roof vent with the piping reducing the flow of cooling air through your attic.
Installing roof vent for range hood.
Another name for venting through the wall is called horizontal wall venting.
How to install a range hood through the ceiling step 1.
Use a 6 inch diameter hole saw to cut a hole through the interior wall surface directly above the range.
Use this tutorial if you determine that venting through the roof is the best route.
Ensure that the spots you mark out on the ceiling are precise.
All you need to do is install an 18 inches straight venting before installing an elbow.
Process beginning in the attic drill a hole through the roof where you want your vent to go.
The roof cap was done for this stainless steel range hood installation https youtu be 7lvu7lg9zoe was installed a master flow 6 in.
Then flash it with the shingles that you removed prior on both sides and above the vent.
Disassemble the range hood vent into its units.
Apply caulk to the siding where the cap flange will rest.
Measure out a square that s slightly larger than the vent hole and remove the shingles in this area with a hooked blade.
Collect the dust with wet dry vacuum while cutting the hole.
If not purchase a duct extension and attach it with sheet metal screws and duct tape.
Goose neck vent roof.
If the hole saw can t cut through the interior wall in one pass stop cutting remove the plaster from the hole and continue drilling.
On the roof use a jigsaw to cut a round hole.
From the outside push the duct s wall cap into the opening to see if the duct is long enough to reach the range hood.
If you find it hard climbing the roof to be able to vent your range hood then you can vent it through the wall.
Steps for installing a range vent hood.
Seal between the top of the vent flange and at the bottom of the roofing shingles as well.
This should be between two rafters.
The trickiest part of installing a range hood is determining how to run the ventilation ducts.
Push the cap into place and fasten.
Step 2 before you begin cutting a large hole into the wall to install the vent first cut a smaller hole to see what s behind the wall.
Install the vent and seal the underside of the vent flange with roofing grade sealant caulk.
If you re tempted to vent your exhaust fan through an existing roof vent or even vent it into the attic don t do it.
It is easier to install equipment when you disassemble its parts.
Depending on the location of your range you will need to decide if it is easier to vent through an outside wall versus up through the roof.