| Compare METAL vs. ASPHALT.
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| While no one can deny that slate, tile, wood, and metal, often look very attractive on a roof, in the final analysis, over a range of factors, they simply can't compete with the overall benefits and features of asphalt shingles.
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| Metal shingle roofing products make a house feel like an oven on warm days, as the metal reflects attic heat back into the home. Metal panels have far fewer architectural choices and are typically much more expensive than even the high-end architectural heavy weight asphalt-based shingles.
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| Walkability and water infiltrations can be serious problems for metal roofing, resulting in expensive callbacks and hassles. In addition, metal will dent from hail, is noisy during rainstorms, can corrode easily if not maintained properly, and is subject to paint color fading and cut edges.
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| Compare CONCRETE & CLAY TILE vs. ASPHALT.
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| Concrete and clay tiles are very heavy, and pose both a safety risk and cost premium because they can be up to 400 percent heavier than the heaviest architectural asphalt shingles -- needing more reinforcement in the home's structure to hold the weight and protect against earthquakes or high winds
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| They are inherently not waterproof -- relying on longevity and durability of the underlayment to maintain the building moisture integrity.
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| They have an inconsistent quality, with colorations that are hard to match and works only with limited architectural styles. They also absorb moisture, providing a place for algae to grow, and have a colored surface which fades over times. Concrete tile, in particular, displays poor freeze/thaw capabilities, tending to crack in cold weather.
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| Compare SLATE vs. ASPHALT
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| Like concrete, slate is generally very heavy, and is difficult to replace.
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| It requires a longer lead-time for ordering, and a specialized installation process. It is also extremely expensive.
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| Compare WOOD SHAKES vs. ASPHALT.
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| Wood roofing materials have historically had poor fire resistance and a limited variety of colors.
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| They are susceptible to infestations from termites and wood rot, and have higher installation costs, and insurance companies require higher rates because of their vulnerability to fire.
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