3-12 Roof slope Ice guard and felt
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3-12 Roof slope Ice guard and felt
I have a 3-12 roof slope. I am installing ice guard at the eaves. With a 3-12 roof slop you are required useing 2 layer of felt. Starting 19" covering that with a 36" over laping that to leave a 17" exposure and so on. My question is where do start this 2 layers of felt? 3" over the ice guard? 19" over the ice guard?