how to cut asphalt shingles

Q & A - What is a Hook Blade?

March 21, 2013 at 12:00 a.m.

Learn what a hook blade is and how long they last. The hook blade is used for cutting and trimming asphalt shingles. It cuts better than a straight blade and fits in the same type of holder. These can be purchased from any hardware store. They are good for about 25 squares ...