Cutting Metal Roofing

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Old 03-30-09, 07:21 AM
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Cutting Metal Roofing

What is the tool of choice for cutting metal roofing panels? Lots of cuts due to incorrect length.
 
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Old 03-30-09, 07:26 AM
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Mostly around here (Southern IL.) it is cut with a circular saw with a plywood blade installed backwards.
 
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Old 03-30-09, 08:47 AM
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I ended up using abrasive blades, but the cut was poor, noisy, and a pain. I had purchased a special "expensive" metal cutting blade, looked like an 80 tooth carbide, but it through fragments like a grenade and only lasted a few cuts.

I have since used several diamond blades on concrete and I'm very impressed. I googled same and found only "Rescue" blades, which are expensive, but sound like they would be perfect. Here is one link, but there were others.
Dax Blades

Whatever you cut it with, keep all particles away from the good surfaces as they will start to rust.

GL
Bud
 
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Old 03-30-09, 09:41 AM
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Cutting Metal

Would a jig saw with a metal cutting blade work? Or a metal shearer?
 
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Old 03-30-09, 10:14 AM
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Tried the jig saw with a metal cutting blade, too slow. Also bought a power nibbler, but it had trouble handling the ups and downs of the style roofing I was using. Mine was basically the same as the big box stuff, I just had it cut to length. Fortunately only a few cuts to make, 5,000 sq ft. but it sure went fast.

The auto shop I spend time in uses a sawsall with an inch wide blade for exhaust work and such, maybe worth a try.


Bud
 

Last edited by Bud9051; 03-30-09 at 10:15 AM. Reason: spelling
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Old 03-30-09, 10:29 AM
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WP...are the cuts all going to be the same? Like cutting a 12' to 11' 6"?

How about taking them to a sheet metal shop?
 
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Old 03-30-09, 11:07 AM
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Metal Roofing

Panels are 19 ft. 6 in. long. Cutting to 19 ft. 2.5 in. 5 rib 36 in. wide.
 
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Old 03-30-09, 11:14 AM
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Well, I'd probably stack them all up, or as many as will cut easily, make a simple clamp out of 2 x 4's and some bolts. Then just use a sawsall and cut 'em all at once. Could just touch up paint the cut ends while still in the clamp.
 
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Old 03-30-09, 11:29 AM
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Speaking of stacking them up. We pre-drilled ours and it made it a whole lot easier. Uniform placement and real easy to run all over the roof and pop the screws in. Just be careful drilling them as the slightest shift and it turned into a drill breaker. Broke half a dozen bits and if you stack too many you can get off center.

But I agree with GG that stacking and cutting would be easier.

Bud
 
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Old 03-30-09, 03:10 PM
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Cutting Ideas

Thank all of you for the suggestions. Stacking will help.
 
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