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DDelirium46 t1_j69z289 wrote

For those exhausts to be even slightly effective they need a wall vent to induce a draft, otherwise they aren't doing anything. But..I mean they aren't the most effective even when installed properly so..🤷‍♂️ since it's a storageshed maybe you don't care much about moisture inside? I guess it all depends on what's going to be stored in there, and how much work do you want to put in?

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DDelirium46 t1_j69ziga wrote

To address your other question, assuming it's sheet metal just cut the vent out, get yourself a piece of 13"x 13"(or bigger, just get a piece 1" bigger than the hole), a box of self sealing sheet metal screws and some waterproof caulk. Should do the trick and should keep out the water.

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nivenhuh OP t1_j69zlgv wrote

I’m going to be storing electronics and furniture (plastic bins / wrap) — ideally it would be moisture controlled. I live in a desert, so there’s that working in my favor.

I’m okay with fixing the venting, but not sure of the best way to patch the old hole on the roof. (Buy a sheet of metal, screw it in with roofing screws, silicone caulk the seams?)

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DDelirium46 t1_j69zrqq wrote

Exactly that. Just make sure it's waterproof caulking and the screws are self sealing.

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DDelirium46 t1_j6a02n5 wrote

In that case I'd vent it properly and make sure the whirlybirds are actually functioning(they often dont). Also you'll want to make certain the rest of the sea can is water tight(as best you can) if it isn't those roof vents won't be enough to keep excess moisture out.

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nivenhuh OP t1_j6b9eqb wrote

Today was angle grinding off the existing roofing asphalt. That stuff is a mess, but fortunately got it all off.

I picked up a 12” x 12” gable louver to put in the rear side of the container (where it can catch a draft). The one I picked up has a mesh grate in the rear of it, but I’m going to find a way to add foam or something to filter the air intake. (Tape an air filter around it?)

I also picked up a replacement 12” whirlybird because the previous one wasn’t installed correctly (and the whole assembly was busted, including the bearings). Get to take that on tomorrow!

Also picked up some tek roofing screws, and silicon roofing sealant. (Tho another comment suggested automotive sealant?)

Thanks for the help!

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