Thread: He ballsed that up!!!!

I cut corrugated iron with an abrasive cutting wheel in my circular saw. Not really fast enough for the abrasive, but it does work, although the cutting wheel wears rather rapidly.

John

Originally Posted by digger

Most I've seen cutting galv sheets use circ saw with reversed blade...

Best ones without carbide tips etc. I've done some and it worked ok for me..
Neater and safer than I'd achieved previously

Same here, when I built my first house I had loads of angle cuts to make and the one reversed saw blade did the whole lot without any fuss, but boy oh boy, you had to do it with ear muffs on.

As for straight cuts, nowadays with the colourbond steel they supply, all you need to do is nick the sheet with tin snips, grab the excess bit with vice grips, stand on the bit you want and just rip off the end. No swarf at all and the cut hardly wanders off a straight line if you're careful.

Originally Posted by digger

Most I've seen cutting galv sheets use circ saw with reversed blade...

Best ones without carbide tips etc. I've done some and it worked ok for me..
Neater and safer than I'd achieved previously

Originally Posted by JDNSW

I cut corrugated iron with an abrasive cutting wheel in my circular saw. Not really fast enough for the abrasive, but it does work, although the cutting wheel wears rather rapidly.

John

I've used a cutting disc in my circular saw too for cutting corrugated iron etc.

But a while back, I got one of those Rockwell contra rotating saws when they were out on special (you can still get them pretty cheap at Supercheap Auto). These things absolutely fly through corrugated iron or virtually any thin metal sheeting. They give a very clean cut and are easy to control. Beware though - you need to be wearing all the protective gear when cutting metal with one - I wear a full face visor over goggles over my glasses . Small "chips" of metal fly everywhere and get into everything.

... spied a similar one at Masters Tool Shop. Price was reasonable, from memory.