Replies

1. 
   cliffy | May 05, 2004 02:45am | #1

   Snap a chalkline at the one inch overhang and cut the shingles carefully with a hookblade in your regular old utility knife or a hook blade in your olfa style knife.  Both should be available at your local building outlet. 

2. 
   Piffin | May 05, 2004 02:47am | #2

   Some use a dedicated pair of tin snips. That goes against the grain for me. My tin snips are for cutting metal.

   I use a utility knife but the actual technique depends on the shingle type, the temperature, and whether they are already laid and hanging over and nailed tight.

   On hot day, I cut each one immediately after nailing it down by break folding hard over the metal edge and then using a straight blade knife and use the metal roof edge as the guide for it. Holding the right angle I can zip it off clean.

   For yours, since they are all nailed in right on up, I would snap a chaulk line right where you want it cut, and use whatr we call a hook blade in the utility knife. Hook blades don't work too well if it is too hot (tears shingle) or too cold ( tears ligaments in wrist).

   They are a bit more expensive than straight blades but worth it and usually last longer when you are shingling regularly. I carried both knives in my belt back then.

    

    

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