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Home Brew Forums > Home Brewing Beer > DIY Projects > Kettles, Mash Tuns, & Hot Liquor Tanks > Aluminum Window Screen as Hopstopper?
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Old 11-01-2007, 11:03 PM   #1
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Default Aluminum Window Screen as Hopstopper?

Any potential problems boilding aluminum window screen that I can't foresee? I built one, and figured I'd test it tonight with just water. Is there something I'm not gonna notice that will cause me problems?


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Old 11-01-2007, 11:04 PM   #2
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Most of them aren't really aluminum. In fact, most are not metal. How are you sure that that is what it is?

galvanized iron wire netting
enameled iron wire netting
aluminum coated iron wire netting
aluminum wire netting
fiberglass wire netting
PVC wire netting
stainless steel wire netting
PVC coated wire netting


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Old 11-01-2007, 11:08 PM   #3
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It said aluminum on the package.
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Old 11-01-2007, 11:10 PM   #4
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Yea, just checked it again. Says aluminum in big letters and then in small letters it says "aluminum screening" ... it was 6.95 at Lowes for a ****load of it.
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Old 11-01-2007, 11:10 PM   #5
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Quote:
Aluminum window screens
Aluminum screening is a rugged, metal mesh. To make the fabric, a 3/8-inch-diameter aluminum rod is drawn out to a .011 mil (inch) wire. The manufacturer winds this wire on a master bobbin, loads the bobbin onto a modified loom and starts the machine weaving.

Once the screen fabric is woven, it's given a finish. Aluminum screen fabric typically comes in three colors: black, dark gray and bright aluminum. Black is least noticeable from inside the house (the darker the color, the better the outward visibility in most cases, because darker colors have less light reflectance and glare). Dark gray is made to complement painted window and frame systems. Although bright aluminum looks like raw aluminum, it has a clear coating that helps maintain the material's sheen.
Aluminum window screening is made as an "18 x 16" mesh. This simply means that there are 18 horizontal and 16 vertical "yarns" (or wires) per square inch. This type of screening is typically available in do-it-yourself rolls that are 7 or 25 feet long and 24, 28, 30, 32, 36 and 48 inches wide. Longer 100-foot rolls are available in additional widths, including 18, 20, 22, 26, 34, 42, 54, 70 and 72 inches. Price runs in the area of 30 to 35 cents per square foot.
I bolded what would be my concern.
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Old 11-01-2007, 11:12 PM   #6
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Think a practice boil would remove whatever coating it had?
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Old 11-01-2007, 11:17 PM   #7
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I wish I knew.

It may stay on and extract unknown compounds throughout the life of the screen.

Or it may be benign.
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Old 11-02-2007, 12:34 AM   #8
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I think if it were me I'd give it a pass. You could do your test and not taste or smell anything in the water but that doesn't mean there's nothing in it.
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Old 11-02-2007, 02:31 AM   #10
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Yeah, and aluminum will turn your brain to mush, haven't you heard?


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