Mark the location where you will install the vent.
How to install microwave vent through roof.
Yes you can vent a range hood through the roof using a 6 single wall pipe.
Tape the paper template to the bottom of the upper cabinet.
Vent cap installation measure the distance from the lip of the outer wall opening to the microwave mounting plate.
Outline the location of the vent opening on the bottom of the upper cabinet.
Use a hammer or a drill with a small bit to locate any wall studs or ceiling joists.
Wear heavy gloves and use the tin snips to carefully trim the duct section to the required length.
Be sure to extend the pipe up at least 2 to 3 above the roof to prevent snow buildup from causing problems.
Mount a tube of outdoor quality.
Proper range venting is very important to follow the manufacturer s specifications for installing a new vent.
It may be necessary to install a new exhaust adapter but you can use the existing roof or wall vent route.
If you are mounting the microwave on an exterior wall then you can use a wall vent.
A vent should be installed between them when possible.
Drill holes at the corners of the outline then cut out the vent opening using a jigsaw or reciprocating saw.
To run the ductwork through the roof.
In the attic mark a spot directly above the duct so you can cut a hole in the roof decking and extend the vent pipe up through that opening.
How to install a microwave oven over your range and vent it outside to avoid smoke and oil getting on your ceiling.
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.
Dry fit the vent cap.
On the roof tuck the flange of a roof vent under the shingles above the opening and secure it with roofing tacks and roofing sealant.
Otherwise a roof vent will be needed.
From up on the roof use a jigsaw or reciprocating saw to cut a 4 in.