Venting Microwave Through Wall Stud In Way

A stud in a wall supporting or otherwise can be cut and boxed.

Venting microwave through wall stud in way.

The manual for the microwave says to absolutely not use flexible ducting. Photo of unit installed it was heavy and bulky. Connect it all with a piece of flexible dryer vent hose. Your proposed opening for the exhaust is pretty close to the underside of that cabinet and the header must go above the exhaust vent.

Think of an turning into a line with a box in the middle. I saw this done on this old house when they installed a new microwave hood on an outside wall. Just use flexible dryer vent and be done. This usually takes two people.

Line up microwave to duct and connect by placing it on the wall bracket or connecting bolts above. I d cut a generous square at the bottom of the wall so you can cut out the plate in the stud bay. Total distance is about a foot performance will be barely compromised. Basically tear down the wall to install a header saddle jack studs etc.

Option 1 results in a very twisty exhaust path while option 2 is obviously a ton of work. If a floor joist or a beam is massively in the way you ll need some custom ducting or cancel the job entirely. Can anyone think of any other options. If the two rectangular ducts have a combined area greater than that circular one you wont have issues with flow restriction.

If you don t want to cut the stud install 2 rectangular ducts on each side of the stud and split the original duct into two. But the builder just left the microwave s fan blowing back into the kitchen. You will have to remove quite a bit of drywall and most likely that wall cabinet directly above the oven. Use 3m flashing tape or vycor or tyvek tape to assist ensure that water will not enter the building envelope.

Buy the sheet metal boot that converts from 3x10 rectangle on the top of the otr microwave to 5 or 6 inch round duct. Attach two flex elbows and steer around the duct and straight out the 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. Get a dryer vent going from outside to inside of the house.

Seal all joints with metal tape and get a quality exterior hood with an exhaust flapper. From microwave up into the cabinet is what you have now. Sacrifice the cabinet above the stove by snaking an exhaust duct up from the hood over to one side of the stud and then through the wall. Basically i would start by breaking out the drywall around the proposed opening and that stud in the middle.

It is designed to work like a hood. Install exterior vent hood utilizing proper exterior installation techniques applicable to your siding material. Studs run vertically through a wall. Re install trim or siding.