Disassemble the range hood vent into its units.
Range hood vent roof install.
Install the vent and seal the underside of the vent flange with roofing grade sealant caulk.
It is easier to install equipment when you disassemble its parts.
A properly installed range hood will vent hot air and cooking odors outside as well as help keep kitchen surfaces free of grease.
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.
The trickiest part of installing a range hood is determining how to run the ventilation ducts.
How to install a range hood through the ceiling step 1.
Mark out spots on the ceiling.
Ensure that the spots you mark out on the ceiling are precise.