![]() ![]() If the metal edging is left off, this decreases the chance for all of the water cascading over the eaves to make it into the gutters, if indeed there are any. If the shingles are extended much more than 3/4-1-inch over the edge, they tend to bend, eventually fracturing along the edge of the roof deck below. However, the edge receiving the most water on a steep-sloped roof needs the best protection affordable. And since water travels somewhat parallel to the rakes, this does minimize the need for coverage. #DRIP EDGE FLASHING INSTALL#You can install the felt either on top of or below the edge metal. And the installation sequence of the edge metal with the felt underlayment is optional in most manufacturers’ printed instructions. Obviously, the most critical location for drip metal is exactly at the location of the majority of the drips the eaves! Rake edges should also get metal edging, but it is simply not as critical. ![]() The mindset was that if you extend the shingles far enough over the edge of the deck into the gutters, you shouldn’t need any edge metal. One contractor actually tried to justify the absence of drip edge material on a project by saying that he had been putting on shingles for almost 15 years and did not think drip edge was necessary-whether it was called for or not, this is old-school thinking. Unless the requested quote expressly makes it a requirement, this item will be omitted in both the quote response and the installation. So why do residential roof installations lack metal drip edges? For one reason, the metal edging is the first item to get omitted from a quote whenever a price is given to install a shingle roof, whether on a new roof or a reroof. ![]()
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