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Metal roofs do not inherently leak more than shingle roofs; when properly installed, they are generally less likely to leak. Asphalt shingle roofs are more susceptible to leaks due to factors like wind uplift, damage from extreme weather, moss growth, and ice dams. Over time, asphalt shingles also lose their protective grit, which reduces their waterproofing capabilities. In contrast, metal is a more resilient material that stands up better to heavy precipitation and high winds. However, metal roofs can develop leaks if they are poorly installed, have improperly sealed fasteners, or experience issues from thermal expansion. For this reason, professional installation and regular maintenance are crucial to ensure a metal roof's longevity and superior protection against leaks.

The level of underlayment’s water resistance will depend on the type of underlayment. The most popular underlayment, felt, is water-resistant, but it can’t withstand long direct exposure to rain or the elements. 

Synthetic underlayment is more waterproof, but asphalt is the only fully waterproof type of underlayment.

While the terms are often used interchangeably, wood shakes and wood shingles have notable differences, primarily in their manufacturing and appearance. Wood shingles are machine-cut on both sides, resulting in a smooth, thin, and uniform product. In contrast, wood shakes are typically hand-split or sawed on only one side, giving them a more textured, natural, and rustic appearance. Due to these manufacturing differences, shakes are generally thicker, heavier, and less uniform than shingles. They are also more expensive. Homeowners seeking a more rustic aesthetic often choose shakes, while those preferring a more uniform look may opt for shingles. Both are installed in an overlapping pattern to create a durable, weather-resistant roof.

Clay tile roofing is more susceptible to damage from impact than something like a metal roof or even asphalt shingles, so they aren’t ideal in areas that see frequent windblown debris or hail. Clay tile roofs are also an average of $8,000 more expensive than asphalt shingle roofs, so up-front cost is an important consideration to make before committing.