Installing Asphalt Roofing Shingles: 5 Usual Errors to Prevent

http://root-motion.com/qa/index.php?qa=user&qa_1=jostusju3r

Tiles needs to be intertwined with this flashing, which is normally sealed as well as nailed-down under top roof shingles, yet over the tiles on the sides. This is so water will certainly run down the roof yet