Roger Sherman and the Connecticut Compromise. In Article VI of the Constitution of the United States, the framers declared, This Constitution... to be the supreme Law of the Land..
Copper gutters are very corrosion-resistant, so they will endure even in harsh conditions and areas with a great deal of acid rain. It is also sturdy, and it meshes well with a wide variety of roofing materials, including slate, cedar shakes, and composite roofing.
Debris in the valleys can cause water to wick under the shingles and cause damage to the interior of the roof. Clogged rain gutters can cause water to flow back under the shingles on the eaves and cause damage, regardless of the roofing material. including composition shingle, wood shake, tile or metal.