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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.

Yes, replacing a roof is always a good investment if the current one is in poor condition. Not only will it preserve the structural integrity of the home, but it can also add value at the time of sale. The average return on investment for a new roof is between 48% and 61%. Prospective buyers are also more likely to purchase a home with a recently replaced roof since that means they won’t need to worry about that expense in the near future.

The terms “roof sealant” and “roof coating” are used interchangeably to describe the rubber, silicone, polyurethane, or acrylic product applied to the roof’s surface for waterproofing and UV protection. Products like roof caulk can also be called “roof sealant,” but the term is more commonly used for the protective coating.

Roof work is dangerous and exacting, and a misstep could lead to even more costly repairs, so we do not recommend DIYing. If you are dead set on giving it a go, practice safety measures. Wear a harness, only work during mild weather, and have a partner to help. Potentially DIY-friendly jobs include patching up small leaks, sealing areas around the chimney, and replacing a few shingles.