Installing A Microwave Roof Vent

How to install a microwave oven over your range and vent it outside to avoid smoke and oil getting on your ceiling.

Installing a microwave roof vent.

The lower half of the flange sits on top of the shingles. Deduct the footage in the right column from 140 feet for each item used. Vent cap installation measure the distance from the lip of the outer wall opening to the microwave mounting plate. Finish the installation by connecting the power cord and the exhaust adapter if necessary for top venting.

Tighten the bolts to secure the microwave onto the cabinet bottom. 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. Join the sections of ductwork and seal the joints with metallic tape to secure them. A vent should be installed between them when possible.

While holding the microwave in place reach up and insert the mounting bolts through the cabinet into the top of the microwave. Transfer this measurement to the oblong duct section attached to the vent cap and. Use a laser measuring tool to mark a dot on the ceiling that will identify the center of the hole that needs to be cut. Cut the hole where you will be installing your venting using a power jigsaw or manual.

Nail the lower corners with roofing nails and tar the heads. The following list provides a few examples of equivalent feet of certain ductwork. Mark the location where you will install the vent. Apply a bead of asphalt roof cement on the bottom of the vent.

Goose neck vent roof. Plus the total length of straight duct used. Slide the vent under the shingles so they cover the top half of the vent flange. Yes you can vent a range hood through the roof using a 6 single wall pipe.