After the hole is cut in remove the roofing shingles on both sides of the roof opening and at least 3 rows above the opening.
Range hood vent roof install.
Measure the range hood to determine where the vent comes out on the range hood and mark it on the wall.
The trickiest part of installing a range hood is determining how to run the ventilation ducts.
Install the vent and seal the underside of the vent flange with roofing grade sealant caulk.
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.
It is easier to install equipment when you disassemble its parts.
How to install a range hood through the ceiling step 1.
Ensure that the spots you mark out on the ceiling are precise.
This way you can properly flash your kitchen hood vent.