Install Range Hood Duct Through Roof

Use roofing nails to nail the lower half of the flange in place at the corners.

Install range hood duct through roof.

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. 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. From up on the roof use a jigsaw or reciprocating saw to cut a 4 in. Apply asphalt roof cement to the bottom of the vent and slide in the vent under the shingles.

Disassemble the range hood vent into its units. Use the electrical drill to puncture holes on the. Range hoods are a necessity in any kitchen. It is easier to install equipment when you disassemble its parts one after the other.

Mark out spots on the ceiling. Push the cap into place and fasten it with screws. If not purchase a duct extension and attach it with sheet metal screws and duct tape. The should cover the top of the vent flange.

Try to keep it close to the fan location. 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. Start in the attic and drill a hole through the roof in the desired vent location. Leave the drill bit sticking through the roof so you can find the hole.

A properly installed range hood will vent hot air and cooking odors outside as well as help keep kitchen surfaces free of grease. Yes you can vent a range hood through the roof using a 6 single wall pipe. Apply caulk to the siding where the cap flange will rest. Measure the range hood to determine where the vent comes out on the range hood and mark it on the wall.

Depending on the location of your range you will need to decide if it is easier to vent through an outside wall versus up. The lower part of the vent flange however will sit on top of the shingles. Be sure to extend the pipe up at least 2 to 3 above the roof to prevent snow buildup from causing problems. 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. 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.