How To Cut Metal Roofing With A Grinder

Metal cutting abrasive wheels heat up the coating too much.

How to cut metal roofing with a grinder. Metal roofing is thin enough for much safer and faster tools to do the job. If you re using tools that use heat like circular saws or grinders although we don t recommend it see why below you need to be extra careful and add safety glasses ear protection face shield safety roofing boots long. Using an electric angle grinder or a cordless grinder isn t the recommended way to cut metal roofing. The steps are the same as the power shears but it usually leaves a bit of a messy burr on the cut edge.

Shears for flat sections but for cutting standing seam ribs we use metal cutting circular saws. Like i say in the video i have extensive experience using a grinder to cut and shape metal and other materials and only by using the tool to do these thing. You can sand the edges if you want a smooth finish. Metal roofing is thin enough for much safer and faster tools to do the job.

But it also requires the experience in using an angle grinder. You can use an angle grinder to cut through metal roofing. Other tools that work well on corrugated metal are sheet metal nibblers and sheet metal shears which do not produce sparks or metal shavings. I have also had good results cutting metal roofing using an angle grinder equipped with a metal cutting blade.

It s very important to make sure the panels are cleaned off after being cut chips left will definitely speckle the panels with rust marks that can t be removed. Protect your hands from dangerously sharp edges or raised burrs by wearing appropriate safety gloves. Set the blade just deep enough to cut through the low parts of the corrugation and cut slowly. When handling metal roofing you need to be very careful.

Press the jaws of the snips down as firmly as you can then open up wide again.