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Exterior Kitchen Exhaust Vent
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Author:  kman [ Wed Nov 14, 2018 11:02 am ]
Post subject:  Exterior Kitchen Exhaust Vent

Hi All,

Looking for guidance on repairing/replacing my 4 louvre exhaust vent (see pictures). The plastic hardened and it eventually broke off. I am unable to find an exact 4 louvre vent which I can replace with my existing vent without taking out the entire assembly.

The home is a Mattamy Village home located in Oakville.

Any recommendations including handyman contacts (since it's outside of the second floor) will be greatly appreciated!

Many thanks.

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Author:  Norts999 [ Wed Nov 14, 2018 9:09 pm ]
Post subject:  Re: Exterior Kitchen Exhaust Vent

No worries, a bird will plug that for you in the spring. Forget about it.
Or, call a painter or roofer, it won’t be cheap, but it will be done.

Author:  Hodor [ Wed Nov 14, 2018 9:35 pm ]
Post subject:  Re: Exterior Kitchen Exhaust Vent

Just borrow a ladder and put one of those cage-thingys over it.

Author:  Halton Home Inspector [ Thu Nov 15, 2018 7:06 am ]
Post subject:  Re: Exterior Kitchen Exhaust Vent

No need for a cage or worry about birds. The 4 and 3 flap vents have integrated screens. It's the 5 flap vents that do not have a screen and one needs to be installed by the builder. This explains why this required screen is often missing from 5 flaps vents at new homes at kitchen and powder room vents.

But,,,,, flaps, aka backdraft dampers are also required so wind can not blow air into the home.

If it was my home I would get new flaps by buying new vents, removing the flaps, and reinstalling the new flaps in the old vent.

* Dryer vents must not have a screen. In the OP's case, the laundry dryer vent is above the balcony door.

PS - Stucco is a membrane over foam. It is fragile material. Unless to are careful you could easily damage the stucco with the ladder.

Author:  kman [ Thu Nov 15, 2018 1:42 pm ]
Post subject:  Re: Exterior Kitchen Exhaust Vent

Thanks everyone for responding. The flap is ~7.25" wide.

I don't have access to such a tall ladder. Do you recommend any handyman/contractor that will be willing to look at this?

Thanks!

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Author:  Halton Home Inspector [ Thu Nov 15, 2018 2:14 pm ]
Post subject:  Re: Exterior Kitchen Exhaust Vent

After some thought - and concluding that even the replacement flaps will also eventually deteriorate and break - my suggestion is that you install "anti gust hood covers". These covers are metal / aluminium so they will last and not rust. They can be installed directly over the existing vent. They also block wind getting into the vent duct and stop the flaps making noise in the wind. They also have a screen to prevent the entry of vermin into the cover.

Because you have a stucco wall and because the stucco is essentially styrofoam with a layer of finish over it, the screws used to install the cover will need to be about 3.5 inches long to get into some structure.

It looks like the model - VT0048 3-1/4" x 10" Anti-Gust Hood WHT - is your best option. Might as well do the powder room vent at the same time.

http://www.imperialgroup.ca/generalventing.cfm?c=227

Note - that these covers should not be installed over dryer exhaust vents.

Author:  B&T402 [ Thu Nov 15, 2018 10:06 pm ]
Post subject:  Re: Exterior Kitchen Exhaust Vent

Halton Home Inspector wrote:

We have one of these for our flippy-flappy kitchen exhaust vent too, it used to chatter and click in the wind, causing annoyance. Purchased from RONA 2011-ish, rock solid has not budged. I applied it right over the vent on the brick without removing or altering it, no loss of function at all. Measure your vent to be sure of what size you need to get over your vent, but I'm pretty sure this is the size we've got: https://www.rona.ca/en/3-1-4-x-10-white ... od-1224229

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