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Old 09-23-2012, 03:20 PM   #1
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How to cut plastic gutters


I am having a hard time cutting/sizing my plastic gutters. I swapped out the 10 inch blade on my miter saw and no matter what it is just chewing this stuff to shreds. I have cut PVC pipe with no problem but this stuff is far thinner. What can I do here?

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Old 09-23-2012, 03:21 PM   #2
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How to cut plastic gutters


I am having a hard time cutting/sizing my plastic.vinyl gutters. I swapped out the 10 inch blade on my miter saw and no matter what it is just chewing this stuff to shreds. I have cut PVC pipe with no problem but this stuff is far thinner. What can I do here?

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Old 09-23-2012, 03:26 PM   #3
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Hacksaw is probably your best bet. A mitre box or other device to keep it straight is probably a good idea too.
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Old 09-23-2012, 03:28 PM   #4
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#1 I would strongly suggest you not even use them. Take them back and pick up some Aluminum gutters instead.
I can list a number of reasons not to use them if you interested.

If your going to insist on using the plastic ones try installing a plywood blade and installing it backwards on the saw.
That's how vinyl siding is cut.
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Old 09-23-2012, 03:38 PM   #5
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I would think tin snips would do well?

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Old 09-23-2012, 03:58 PM   #6
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My suggestion would be tin snips. That's what I used on my vinyl siding and they worked fine siding my whole home.

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Old 09-23-2012, 04:29 PM   #7
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Put the blade in backwards and it will cut fine, same thing with vinyl siding.
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Old 09-23-2012, 05:00 PM   #8
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Flip the blade, so the teeth are going in the opposite direction. Also using a finer tooth blade helps.
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Old 09-23-2012, 05:08 PM   #9
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Left and right snips ( aviation snips ) will work if you don't mind sacrificing an inch of material each cut.
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Old 09-23-2012, 06:17 PM   #10
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How would snips lose material? Measure, cut, done deal.

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Old 09-23-2012, 06:27 PM   #11
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Put the blade in backwards and it will cut fine, same thing with vinyl siding.
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Old 09-23-2012, 06:39 PM   #12
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I don't think much of running blades backwards, especially carbide tipped ones. Not to likely with thin plastic I suppose but the forces would be such to try to knock the tips off. Not as likely with a HSS blade. I still like aviation snips for the job.
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Old 09-23-2012, 07:09 PM   #13
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Hack saw. Better yet throw them away and buy seemless aluminum. Plastic gutters suck.
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Old 09-23-2012, 07:19 PM   #14
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Quote:
Originally Posted by jschaben View Post
I don't think much of running blades backwards
That's just fine and dandy but that's how you cut the stuff. I'ts more like a clean burn through the material than cutting.

+ 3 or 4 on plastic gutters are a bad choice to begin with.
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Old 09-23-2012, 07:25 PM   #15
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A steel plywood wood blade running backwards will do it.
There still going to be to narrow, going to have to have ugly brackets to hold them up, leaking couplings and end caps, will break if someone leans a ladder againt them.
But it will cut it.
And hold the gutter up side down when cutting.

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Last edited by joecaption; 09-23-2012 at 07:50 PM.
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