How To Install Microwave Vent Through Wall With Vinyl Siding

I want to vent to the outside.

How to install microwave vent through wall with vinyl siding.

Go to a vinyl siding outlet store. Line up microwave to duct and connect by placing it on the wall bracket or connecting bolts above. The master flow 3 1 4 in. Vinyl siding detail for exhaust duct if you use a j block you still have the issue of sealing the vent properly to it.

This usually takes two people. If not see if they have the rectangle that is used for house numbers. They have exhaust hoods for over the range microwaves that will match your siding shape. Install as you would a roof boot having the top flange under the siding and the bottom over it.

Photo of unit installed it was heavy and bulky. This heavy duty wall vent is made of zinc coated galvanized steel. Rectangular appliance wall vent is designed to fit most range hoods that will be vented outside through a wall. It appears when this house was built provision was made for venting out the rear of the microwave into the standard 2 4 wall up the cavity inside the wall then up through duct work in the attic through the roof.

I would like to use that path to vent a new microwave. Tape the vent edges and then install j channels around 4 sides of the exhaust vent and trim the vinyl siding to fit. Install exterior vent hood utilizing proper exterior installation techniques applicable to your siding material. This wall vent features a spring loaded damper which helps provide you with a tighter closing.

Use 3m flashing tape or vycor or tyvek tape to assist ensure that water will not enter the building envelope. What i ve done is cut an opening in the siding the size of the vent minus the flange. The old microwave did not.