I&e Roofing & Construction - Questions To avoid this, the edge of the starter roof shingles need to extend past the drip edge. Exactly how much? "Starter shingles must overhang the eaves and rake side by inch to inch," https://elijahnkqw499441.tribunablog.com/a-biased-view-of-i-e-roofing-construction-53685518