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Posted by BobK207 on September 7, 2006, 12:58 pm
Steve B wrote:
> > Eduardo blew some of the 2' x 12' galvanized, corrugated steel roofing
> > material off of my barn, and I had to replace most of 2 sheets.
> >
> > I didn't have any power on Saturday to cut it off, so I just nailed it up
> > and let it run long off the eave of the roof, but now I have to cut it off
> > flush with the rest of the roof.
> >
> > Can anyone tell me what I should use to cut this stuff?
> >
> > My brother (a contractor) says I should just put a plywood blade into my
> > circular saw backwards, wear safety goggles and earplugs, grit my teeth
> > and let 'er rip ... but somehow that sounds a little scary to me on an 18'
> > ladder.
> >
> > Any ideas?
> >
> > Thanks,
> >
> > Joe
> >
> >
>
> I was a steel erection contractor for nine years, and cut hundreds of sheets
> of corrugated panels on carports.
>
> I have tried SawZalla, circular blades, and many other things.
>
> There are two things that work. One is a specialized cutter that has the
> same profile as your panel. That is, the teeth and ridges match your metal
> EXACTLY, and then it works like a giant paper cutter.
>
> The second thing is some Wiss snips in good condition. Depending on the
> direction you cut, use the proper cutter, either right or left. It is a
> little slow, and you have to pull the cutoff out slightly to keep from
> jamming the blades. But it is the easiest way I found. Particularly that
> you are only cutting a couple of panels.
>
> Other guys are telling you to cut them with a SawZall? Circular saw? Jig
> saw? Please let me know when and where you guys are going to do this. I
> want to bring a lawn chair, some adult beverages, and a video camera. And,
> I'll stop and pick up a big box of Band-Aids, too. Been there, done that,
> used the Band-Aids. This stuff is usually 26 or 29 ga. and will jump and
> dance all over the place. Hard to clamp down, keep from distorting, get a
> straight cut, or get anything but a terribly ragged edge.
>
> I am currently cutting 39" wide panels for a cover for my wood pile. I am
> using my Wiss snips. Just pop a line with a chalk line, and you'll get it
> pretty close in the valleys.
>
> Do whatever you want, but please report which way was the easiest.
> Sometimes it's just the simplest tool in the box along with some patience
> and craftsmanship.
>
> Steve
My sympathy for your difficulties......the 20 gage material I worked
with cut just fine with my Milwaukee worn drive & a metal cutting
abrasive blade.
Perhaps you needed a better setup?
Milwaukee power shear works well also, a practiced hand can get a nice
clean staight edge.
cheers
Bob
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