Quote:
Originally Posted by xoxoxoBruce
I'm trying to figure out why you nail down a shitload of pieces, along the straight edges, instead of using a 9 inch wide strip? It would be a hell of a lot easier to cut 9 inches off the end of a roll, plus no seams/joints.
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Are you talking about the valley reinforcement? The overlapping pieces make it stronger, where the run-off is heaviest. The seams are okay, since they go downward with the water flow.