How To Install Range Hood Duct Through Roof

Be sure to extend the pipe up at least 2 to 3 above the roof to prevent snow buildup from causing problems.

How to install range hood duct through roof.

The trickiest part of installing a range hood is determining how to run the ventilation ducts. How to install a range hood vent through the wall for those who cannot vent through the roof venting through a sidewall is the next best option. You can do this by installing an elbow out of the top of the back of the hood. You can buy the proper flashing to install it on a flat roof and a roof cap that has screen around it to prevent insects from entering.

Once you drill the hole you will need to cut an adequately sized opening to fit the range hood vent either square or a round shaped one depending on the design of your roof vent. If not purchase a duct extension and attach it with sheet metal screws and duct tape. 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. Depending on the location of your range you will need to decide if it is easier to vent through an outside wall versus up.

If you decide to vent through the roof go all the way out to clear air through the roof and don t just vent it into the attic. A properly installed range hood will vent hot air and cooking odors outside as well as help keep kitchen surfaces free of grease. Mark out spots on the ceiling. Apply caulk to the siding where the cap flange will rest.

This is called horizontal wall venting. To seal around the ducting that goes through the roof position the duct flashing over the hole and slip part of the flange under the shingles that are above the hole. Disassemble the range hood vent into its units. Yes you can vent a range hood through the roof using a 6 single wall pipe.

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. Use the electrical drill to puncture holes on the. Range hoods are a necessity in any kitchen. How to install a range hood through the ceiling.

Next slip the last section of ducting through the flashing and attach it below. Make sure to put roofing tar under the flange of the flashing before you install it. It is easier to install equipment when you disassemble its parts one after the other.