Cutting off protruding roofing nails damage roofing.
How to cut off roofing nails.
Link to ridgid 4 amp multi tool from home d.
There are special types with angled jaws made just for that type job.
When i replaced my roof a few years ago i made sure i used the shortest possible nails because i was tired of banging my head on nails in the attic.
Generally regular shingles are cut straight through the tab indentations to create equally sized.
I use a ridgid multi tool with ryker wood metal blades.
However i failed to notice that the nails are poking thru the eaves about 1 8 to 1 4 inch.
You can get metal cutting blades for virtually any saw you own including circular saws but the most useful saws for cutting fasteners are those that operate by reciprocating action.
If you are still worried about the heat use a large side cutting pair of pliers.
Standard roofing tools like a hammer and roofing nails are all you typically need to cap a roof.